Patent Applications by Murata Manufacturing Co., Ltd. on April 3rd, 2025

Murata Manufacturing Co., Ltd.: 23 patent applications

Murata Manufacturing Co., Ltd. has applied for patents in the areas of H03H9/02 (7), H03H9/13 (5), H01M50/107 (4), H03H9/17 (4), H03H9/56 (3) H01M50/578 (2), H03H9/132 (2), H01Q9/0471 (1), H03H9/6483 (1), H03H9/568 (1)

With keywords such as: electrode, body, portion, surface, region, connected, layer, including, fingers, and terminal in patent application abstracts.

Patent Applications by Murata Manufacturing Co., Ltd.

20250109012. MEMS STRUCTURES WITH GAPS_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Mikko PARTANEN of Vantaa FI for murata manufacturing co., ltd., Konsta HANNULA of Sipoo FI for murata manufacturing co., ltd.

IPC Code(s): B81B3/00, B81C1/00

CPC Code(s): B81B3/0075

Abstract: a device is provided that includes a stator including a stator element and a row of stator comb fingers, wherein the stator comb fingers extend away from the stator element in a y-direction. a device may include a rotor including a rotor element and a row of rotor comb fingers, wherein the rotor comb fingers extend away from the rotor element in a direction which is opposite to the y-direction, and wherein the stator comb fingers are interdigitated with the rotor comb fingers, and form an interdigitated row, and each pair of adjacent stator comb finger and rotor comb finger are separated from each other by a x-gap in a x-direction, which is perpendicular to the y-direction.

20250109015. MICROELECTROMECHANICAL COMPONENT WITH GAP-CONTROL STRUCTURE AND A METHOD FOR MANUFACTURING IT_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Jeanette LINDROOS of Helsinki FI for murata manufacturing co., ltd., Masakazu FUKUMITSU of Nagaokakyo-shi JP for murata manufacturing co., ltd.

IPC Code(s): B81C1/00, B81B7/00

CPC Code(s): B81C1/00269

Abstract: a device includes a cap wafer with a sealing region surrounding a gap-control region, and a structure wafer with a corresponding sealing region and gap-control region. the cap wafer has top and bottom surfaces, defining an xy-plane, and a vertical z-direction perpendicular to this plane. the structure wafer is similarly oriented, with its top surface parallel to the xy-plane. the cap wafer and structure wafer are bonded by a eutectic seal connecting their sealing regions, ensuring alignment of their gap-control regions along the z-axis. the device also includes a metal layer located on the bottom surface of the cap wafer in its gap-control region, and the structure wafer features a standoff protruding from its top surface within its gap-control region, extending along the z-direction to contact the metal layer.

20250111978. INDUCTOR_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Atsushi SEKO of Nagaokakyo-shi JP for murata manufacturing co., ltd., Seiya KIKUCHI of Nagaokakyo-shi JP for murata manufacturing co., ltd.

IPC Code(s): H01F17/00, H01F27/29

CPC Code(s): H01F17/0013

Abstract: an inductor including a component main body having a multilayer structure formed with stacked non-conductive material layers; and a coil inside the component main body and configured of line conductors each extending along an interface between the non-conductive material layers and via conductors penetrating through the non-conductive material layers to a thickness direction. the line conductors each have pad portions connected to the via conductors and line wire portions connected to the pad portions. the coil has a shape of extending along a helical path with the line conductors and the via conductors alternately connected, in which the via conductors include a longitudinal via conductor in a longitudinal shape extending along the line conductor. the pad portions include a longitudinal pad portion connected to the longitudinal via conductor, and a width-direction dimension of the longitudinal pad portion is larger than a width-direction dimension of the line wire portion.

20250111995. MULTILAYER CERAMIC CAPACITOR_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Yasuhiro MISHIMA of Nagaokakyo-shi JP for murata manufacturing co., ltd.

IPC Code(s): H01G4/232, H01G4/12, H01G4/30

CPC Code(s): H01G4/2325

Abstract: a multilayer ceramic capacitor includes a multilayer body and external electrodes, which each include a base electrode layer, an electrically conductive resin layer, and a plated layer. the electrically conductive resin layer at a ridge portion of the multilayer body has a film thickness of about 0.8 �m or more and about 8 �m or less. the electrically conductive resin layer includes a peeling region separating from the multilayer body at least one extending portion. the peeling region extends from an end portion of the electrically conductive resin layer adjacent to a middle of the multilayer body in a length direction to before an end of the base electrode layer adjacent to the middle of the multilayer body in the length direction. the peeling region has a dimension of about 5 �m or more in the length direction.

20250112241. SECONDARY BATTERY_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Takamasa ONO of Kyoto JP for murata manufacturing co., ltd., Tsuneo YAMAZAKI of Kyoto JP for murata manufacturing co., ltd.

IPC Code(s): H01M4/62, H01M50/431, H01M50/443, H01M50/489

CPC Code(s): H01M4/622

Abstract: a secondary battery is provided and includes a positive electrode, a negative electrode, a separator, an adhesive layer provided on a principal face of the separator, and an electrolytic solution. the adhesive layer contains a water-soluble binder. with a region where the positive electrode, the negative electrode, and the separator are stacked and overlapped being defined as an electrode body region, the positive electrode and the negative electrode respectively have a positive electrode terminal and a negative electrode terminal that are portions protruding from the electrode body region in plan view in the first direction. the positive electrode terminal and the negative electrode terminal are located on the same side with respect to the geometric center of the electrode body region. when a region overlapping a shortest path in the electrode body region from a first boundary where the positive electrode terminal is connected to the electrode body region to a second boundary where the negative electrode terminal is connected to the electrode body region is defined as a first measurement region, and a region that is point-symmetric to the first measurement region about a geometric center of the electrode body region and has an area equal to that of the first measurement region is defined as a second measurement region, and where an area proportion occupied by the adhesive layer in the first measurement region is denoted by a and an area proportion occupied by the adhesive layer in the second measurement region is denoted by b, 1.1≤a/b≤1.5.

20250112259. SECONDARY BATTERY AND BATTERY PACK_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Toshikazu NAKAMURA of Kyoto JP for murata manufacturing co., ltd.

IPC Code(s): H01M10/04, H01M10/42, H01M50/107, H01M50/152, H01M50/533, H01M50/534

CPC Code(s): H01M10/0472

Abstract: a secondary battery is provided and includes a first electrode wound body, a second electrode wound body, and an outer package body. the outer package body contains the first electrode wound body and the second electrode wound body. each of the first electrode wound body and the second electrode wound body includes, at respective ends of a stacked body in a width direction, a first end face at which a first electrode is exposed and a second end face at which a second electrode is exposed. the first electrode wound body and the second electrode wound body are disposed adjacent to each other in the width direction of the stacked body, with the first end face of the first electrode wound body and the first end face of the second electrode wound body being opposed to each other.

20250112301. BATTERY_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Kunio SODEYAMA of Nagaokakyo-shi JP for murata manufacturing co., ltd.

IPC Code(s): H01M50/107, H01M50/533

CPC Code(s): H01M50/107

Abstract: a battery is provided and including a battery element having a first outer end surface and a second outer end surface; and an exterior body having a cylindrical shape, having a first inner end surface to face the first outer end surface, and housing the battery element, in which the exterior body has a first inner diameter �at a position 4 mm distant from the first inner end surface toward the second outer end surface; the exterior body has a second inner diameter �at a position 7 mm distant from the second outer end surface of the battery element toward the first outer end surface; and the first inner diameter �is 0.24 to 0.72% smaller than the second inner diameter �.

20250112320. BATTERY_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Daiki NISHIIE of Kyoto JP for murata manufacturing co., ltd., Yoshiichi HORIKOSHI of Kyoto JP for murata manufacturing co., ltd.

IPC Code(s): H01M50/342, H01M50/107

CPC Code(s): H01M50/3425

Abstract: a battery is provided and including an exterior body that houses a battery assembly and an electrolyte, and a safety valve attached to the exterior body, wherein the battery assembly includes a positive electrode, a negative electrode, and a separator, the exterior body includes a cylindrical portion, a support portion protruding inward from the cylindrical portion at one end portion of the cylindrical portion, and an opening surrounded by the support portion, the safety valve is positioned at the one end portion of the cylindrical portion, and the safety valve and the support portion are fixed to each other with a thermoplastic resin layer interposed therebetween.

20250112324. BATTERY AND BATTERY PACK_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Rie WATANABE of Kyoto JP for murata manufacturing co., ltd., Yoshiichi HORIKOSHI of Kyoto JP for murata manufacturing co., ltd.

IPC Code(s): H01M50/358, H01M50/107, H01M50/193, H01M50/325, H01M50/559, H01M50/593

CPC Code(s): H01M50/358

Abstract: a battery is provided and includes a battery assembly; an exterior body that has an opening at one end and houses the battery assembly; and a safety valve disposed at the opening, in which the safety valve includes an inner terminal positioned relatively inside and an outer terminal positioned relatively outside, the inner terminal includes an annular-in-plan-view thinned part located on an inner peripheral side with respect to an opening end of the opening, and is electrically connected to the battery assembly on an outer peripheral side with respect to the thinned part, and the outer terminal is fixed to the inner terminal in a state of being elastically deformed toward the inside of the exterior body on an inner peripheral side with respect to the thinned part, and is electrically connected to each other.

20250112341. SECONDARY BATTERY_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Masakazu MORIYAMA of Kyoto JP for murata manufacturing co., ltd., Shoichi NISHIYAMA of Kyoto JP for murata manufacturing co., ltd., Ippei WAKI of Kyoto JP for murata manufacturing co., ltd., Atsushi NEMOTO of Kyoto JP for murata manufacturing co., ltd.

IPC Code(s): H01M50/538, H01M10/0525

CPC Code(s): H01M50/538

Abstract: a secondary battery is provided and includes a first pole and a second pole both wound along a prescribed direction. a first current collector of the first pole has a first protrusion protruding along the prescribed direction and not overlapping a first active material layer of the first pole. a second current collector of the second pole has a second protrusion protruding along an orthogonal direction orthogonal to the prescribed direction and not overlapping a second active material layer of the second pole. the first tab is electrically connected to the first protrusion. the second tab is electrically connected to the second protrusion.

20250112343. BATTERY_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Moe OKADA of Kyoto JP for murata manufacturing co., ltd.

IPC Code(s): H01M50/578, H01M50/152, H01M50/342, H01M50/586

CPC Code(s): H01M50/578

Abstract: a battery is provided and including a safety valve, in which the safety valve includes a first metal member positioned on an outer side, a second metal member positioned on an inner side, and an insulating member positioned between the first metal member and the second metal member, the first metal member and the second metal member are connected to each other so as to straddle the insulating member, and the second metal member is provided with a groove in a sectional view, the groove has at least two corner portions inside the groove in the sectional view, and shapes of the two corner portions are different from each other.

20250112344. BATTERY PACK_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Yasuhiro MATSUZAKI of Kyoto JP for murata manufacturing co., ltd., Yusuke TANJI of Kyoto JP for murata manufacturing co., ltd., Daiki NISHIIE of Kyoto JP for murata manufacturing co., ltd.

IPC Code(s): H01M50/578, H01M10/0525

CPC Code(s): H01M50/578

Abstract: a battery is provided and including a safety valve, in which the safety valve includes a first metal member positioned on an outer side, a second metal member positioned on an inner side, and an insulating member positioned between the first metal member and the second metal member, the first metal member and the second metal member are connected to each other so as to straddle the insulating member, and the first metal member has a stepped part including a thin portion having a thickness relatively reduced as compared with other portions.

20250112373. ANTENNA DEVICE, COMMUNICATION DEVICE, AND METHOD FOR MANUFACTURING ANTENNA DEVICE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Hideki UEDA of Nagaokakyo-shi JP for murata manufacturing co., ltd.

IPC Code(s): H01Q9/04, H01Q1/24, H01Q1/48

CPC Code(s): H01Q9/0471

Abstract: a first portion and a second portion are connected to a first surface of a connection portion having the first surface and a second surface opposite to the first surface. a first radiating element is disposed on the first portion, and a second radiating element is disposed on the second portion. the connection portion includes a first flat board portion, a bent portion extending from the first flat board portion, and bent to have the first surface facing outward, and a second flat board portion further extended from the bent portion.

20250112612. ACOUSTIC WAVE DEVICE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Toru YAMAJI of Nagaokakyo-shi JP for murata manufacturing co., ltd., Sunao YAMAZAKI of Nagaokakyo-shi JP for murata manufacturing co., ltd., Hiroya SUZUKI of Nagaokakyo-shi JP for murata manufacturing co., ltd.

IPC Code(s): H03H9/02, H03H9/05

CPC Code(s): H03H9/02086

Abstract: an acoustic wave device includes a piezoelectric layer, at least one pair of electrodes, and a protective film. the piezoelectric layer includes first and second major surfaces opposing each other in a first direction. the at least one pair of electrodes are on at least one of the first and second major surfaces. the protective film covers at least a portion of the pair of electrodes. the protective film includes a first-component insulative film including a first component and in contact with the pair of electrodes, and a second-component insulative film including a second component and located at the surface layer of the protective film. the first-component insulative film has a higher moisture resistance than the second-component insulative film. the second-component insulative film has a higher plasma resistance than the first-component insulative film.

20250112614. RESONANCE DEVICE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Yoshiyuki HIGUCHI of Nagaokakyo-shi JP for murata manufacturing co., ltd., Masakazu FUKUMITSU of Nagaokakyo-shi JP for murata manufacturing co., ltd., Fumiya ENDO of Nagaokakyo-shi JP for murata manufacturing co., ltd.

IPC Code(s): H03H9/02, H03H9/10, H03H9/13

CPC Code(s): H03H9/02433

Abstract: a resonance device includes a resonator including a vibration part, a frame disposed at at least a part of a circumference of the vibration part, and a supporting arm connecting the vibration part to the frame; and a first substrate including a first bottom plate configured to have a first gap from o the vibration part in a thickness direction, a first side wall, and a first limiting part having a first distance to the resonator in the thickness direction smaller than a second distance between the resonator and the first bottom plate. the first limiting part includes a first tip-end with a first metal film facing the resonator in the thickness direction. the first metal film is configured as a first getter that maintains a vacuum of a vibration space in the resonance device.

20250112617. RESONATOR WITH OPTIMIZED LAYER THICKNESSES_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Drew MOROSIN of Oxnard CA US for murata manufacturing co., ltd., John P. KOULAKIS of Los Angeles CA US for murata manufacturing co., ltd., Garrett WILLIAMS of San Mateo CA US for murata manufacturing co., ltd.

IPC Code(s): H03H9/13, H03H3/02, H03H9/02, H03H9/17

CPC Code(s): H03H9/132

Abstract: an acoustic resonator is provided that includes an interdigital transducer (idt) at a surface of at least one piezoelectric layer, the idt including interleaved idt fingers extending from first and second busbars respectively. moreover, a ratio of a thickness of the idt fingers to a thickness of the at least one piezoelectric layer is optimized to minimize unwanted spurs. the mark to pitch ratio of the idt fingers may also be optimized to minimize spurs during operation.

20250112618. ACOUSTIC WAVE DEVICE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Naohiro NODAKE of Nagaokakyo-shi JP for murata manufacturing co., ltd., Sho NAGATOMO of Nagaokakyo-shi JP for murata manufacturing co., ltd., Masakazu MIMURA of Nagaokakyo-shi JP for murata manufacturing co., ltd.

IPC Code(s): H03H9/13, H03H9/02, H03H9/05, H03H9/10, H03H9/17

CPC Code(s): H03H9/132

Abstract: an acoustic wave device includes a piezoelectric substrate including a piezoelectric layer with first and second main surfaces, and a support on the second main surface, a first comb-shaped electrode on the first main surface including a first busbar and first electrode fingers connected to the first busbar and being connected to an input potential, a second comb-shaped electrode on the first main surface including a second busbar and second electrode fingers connected to the second busbar and interdigitated with the first electrode fingers, and connected to an output potential, and a reference potential electrode connected to a reference potential and including third electrode fingers on the first main surface and aligned with the first and second electrode fingers, connection electrodes connected to the third electrode fingers, respectively, and a third busbar electrically connected to the third electrode fingers by the connection electrodes.

20250112619. ACOUSTIC WAVE DEVICE AND MULTIPLEXER_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Akira NOGUCHI of Nagaokakyo-shi JP for murata manufacturing co., ltd.

IPC Code(s): H03H9/13, H03H9/17, H03H9/56, H03H9/70

CPC Code(s): H03H9/133

Abstract: a filter includes an acoustic wave resonator including a piezoelectric substrate and an idt electrode. the piezoelectric substrate includes a piezoelectric layer, a low acoustic velocity layer, and a high acoustic velocity layer. an intersection region of the idt electrode includes a central region and an edge region. the idt electrode includes a mass addition film in the edge region. a duty of the idt electrode and a cut-angle �� of the piezoelectric layer satisfy any one or more of 0.513≤d≤0.568 and 2.5≤�≤17.5, 0.538≤d≤0.568 and 17.5≤�≤22.5, 0.538≤d≤0.588 and 42.5≤�≤52.5, 0.538≤d≤0.613 and 52.5≤�≤67.5, 0.513≤d≤0.638 and 67.5≤�≤77.5, and 0.513≤d≤0.713 and 77.5≤�≤92.5.

20250112620. ACOUSTIC WAVE DEVICE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Eiji FUJIMORI of Nagaokakyo-shi JP for murata manufacturing co., ltd.

IPC Code(s): H03H9/52, H03H9/64

CPC Code(s): H03H9/52

Abstract: an acoustic wave device includes a first acoustic wave filter, a first conductor portion between the first acoustic wave filter and a second acoustic wave filter and connected to a second functional conductor portion of the second acoustic wave filter. the first acoustic wave filter includes a signal electrode on a second main surface of a first piezoelectric substrate and connected to the first conductor portion, a ground electrode on the second main surface of the first piezoelectric substrate, and a second conductor portion connected to the ground electrode. the ground electrode overlaps a first functional conductor portion and does not overlap the signal electrode in a thickness direction of the first piezoelectric substrate. the second conductor portion is located between first and second main surfaces of the first piezoelectric substrate and spaced apart from the first main surface.

20250112621. ACOUSTIC FILTER DEVICE WITH STAGGERED GROUND INDUCTORS_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Santhosh GOTTUPARTHY of Sunnyvale CA US for murata manufacturing co., ltd., Wei YANG of Goleta CA US for murata manufacturing co., ltd.

IPC Code(s): H03H9/54, H03H9/02, H03H9/17, H03H9/56

CPC Code(s): H03H9/542

Abstract: a filter device is provided that includes series resonator connected between a pair of ports; shunt resonators connected between a ground connection and a node between one or more of series resonator and one of the pair of ports; and inductors that are connected between the ground connection and the shunt resonators, respectively. the inductors have staggered inductance values that are different from each other. each of the resonators includes a substrate, a piezoelectric layer attached either directly or via one or more intermediate layers to the substrate, and an interdigital transducer (idt) on a surface of the piezoelectric layer and that includes interleaved idt fingers extending from first and second busbars, respectively.

20250112622. ACOUSTIC WAVE DEVICE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Katsuya DAIMON of Nagaokakyo-shi JP for murata manufacturing co., ltd., Sho NAGATOMO of Nagaokakyo-shi JP for murata manufacturing co., ltd.

IPC Code(s): H03H9/56, H03H9/02, H03H9/13

CPC Code(s): H03H9/568

Abstract: an acoustic wave device includes a piezoelectric layer, first and second comb-shaped electrodes respectively including first and second electrode fingers, and a reference potential electrode including third electrode fingers. an order in which the first, second, and third electrode fingers are arranged is the first electrode finger, the third electrode finger, the second electrode finger, and the third electrode finger and defines one period. a pair of reflectors sandwich a region where the first electrode finger, the second electrode finger, and the third electrode finger are provided in an electrode finger orthogonal direction.

20250112623. HIGH-FREQUENCY MODULE_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Takuma KUROYANAGI of Kyoto JP for murata manufacturing co., ltd., Takanori ITO of Kyoto JP for murata manufacturing co., ltd., Hidetaka TAKAHASHI of Kyoto JP for murata manufacturing co., ltd., Hiroyuki KANI of Kyoto JP for murata manufacturing co., ltd.

IPC Code(s): H03H9/64, H03H9/02, H03H9/25

CPC Code(s): H03H9/6483

Abstract: in a high-frequency module, a first chip includes one of a plurality of first acoustic wave resonators of a first filter a mounting substrate. a second chip includes one of a plurality of second acoustic wave resonators of a second filter. the second chip is on a side of the first chip opposite to the mounting substrate side. the first chip has a first main surface on the second chip side and a second main surface on the mounting substrate side. the second chip includes a third main surface on the first chip side and a fourth main surface on a side opposite to the first chip side. a first circuit element related to the first filter is on the second main surface side of the first chip. a second circuit element related to the second filter is disposed on the fourth main surface side of the second chip.

20250112666. RADIO FREQUENCY CIRCUIT_simplified_abstract_(murata manufacturing co., ltd.)

Inventor(s): Akira OGASAWARA of Nagaokakyo-shi JP for murata manufacturing co., ltd., Syuichi ONODERA of Nagaokakyo-shi JP for murata manufacturing co., ltd.

IPC Code(s): H04B1/44, H04B1/401

CPC Code(s): H04B1/44

Abstract: a radio frequency circuit includes a filter with a pass band including at least a part of a band (a) for tdd; a filter with a pass band including at least a part of the band (a); and a switch circuit that has (i) a first mode in which the filter is connected between an antenna connection terminal and a radio frequency input terminal, (ii) a second mode in which the filter is connected between the antenna connection terminal and a radio frequency output terminal, and (iii) a third mode in which the filters are connected in series between the antenna connection terminal and the radio frequency input terminal or between the antenna connection terminal and the radio frequency output terminal.

Murata Manufacturing Co., Ltd. patent applications on April 3rd, 2025