Hitachi Energy Ltd Patent Application Trends in 2025: Difference between revisions

Latest revision as of 10:50, 2 May 2025

Hitachi Energy Ltd Patent Filing Activity

Hitachi Energy Ltd patent applications in 2025

Top 10 Technology Areas

H02M1/0074 (Details of apparatus for conversion)
- Count: 2 patents
- Example: 20250132660. POWER CONTROL OF A POWER CONVERTER BASED ON MIXED TYPES OF POWER CONVERTERS (Hitachi Energy Ltd)
H02M3/33573 (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers)
- Count: 2 patents
- Example: 20250023480. POWER CONTROL OF A POWER CONVERTER BASED ON A VARIABLE MODULATION FREQUENCY (Hitachi Energy Ltd)
H01L25/0655 (SEMICONDUCTOR DEVICES NOT COVERED BY CLASS)
- Count: 2 patents
- Example: 20250062242. POWER MODULE AND METHOD FOR MANUFACTURING A POWER MODULE (Hitachi Energy Ltd)
H10D62/8325 (No explanation available)
- Count: 2 patents
- Example: 20250113570. MANUFACTURING METHOD AND POWER SEMICONDUCTOR DEVICE (Hitachi Energy Ltd)
G06N3/045 (Combinations of networks)
- Count: 1 patents
- Example: 20250117624. METHOD FOR ESTIMATING A PHYSICAL QUANTITY OF A STATIC ELECTRIC INDUCTION DEVICE ASSEMBLY (Hitachi Energy Ltd)
G06N3/0985 (Hyperparameter optimisation; Meta-learning; Learning-to-learn)
- Count: 1 patents
- Example: 20250117624. METHOD FOR ESTIMATING A PHYSICAL QUANTITY OF A STATIC ELECTRIC INDUCTION DEVICE ASSEMBLY (Hitachi Energy Ltd)
H01F27/321 (MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES (ceramics based on ferrites)
- Count: 1 patents
- Example: 20250118485. A TRANSFORMER ARRANGEMENT (Hitachi Energy Ltd)
H01F27/02 (MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES (ceramics based on ferrites)
- Count: 1 patents
- Example: 20250118485. A TRANSFORMER ARRANGEMENT (Hitachi Energy Ltd)
H02B1/24 (Circuit arrangements for boards or switchyards)
- Count: 1 patents
- Example: 20250038493. HIGH VOLTAGE INSTALLATION COMPRISING A PLURALITY OF POWER ELECTRONIC CELLS AND WAVEGUIDE (Hitachi Energy Ltd)
H01Q1/526 ({Electromagnetic shields})
- Count: 1 patents
- Example: 20250038493. HIGH VOLTAGE INSTALLATION COMPRISING A PLURALITY OF POWER ELECTRONIC CELLS AND WAVEGUIDE (Hitachi Energy Ltd)

Emerging Technology Areas

H01H31/003 (Air-break switches for high tension without arc-extinguishing or arc-preventing means (in combination with high tension or heavy-current switches with arc-extinguishing or arc-preventing means)
- Count: 1 patents
- Example: 20250104946. FAST EARTHING SWITCH FOR INTERRUPTING NON-SHORT-CIRCUIT CURRENTS (Hitachi Energy Ltd)
H01H3/605 (ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables)
- Count: 1 patents
- Example: 20250104946. FAST EARTHING SWITCH FOR INTERRUPTING NON-SHORT-CIRCUIT CURRENTS (Hitachi Energy Ltd)
H01H33/91 (ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables)
- Count: 1 patents
- Example: 20250104946. FAST EARTHING SWITCH FOR INTERRUPTING NON-SHORT-CIRCUIT CURRENTS (Hitachi Energy Ltd)
H01L29/7416 (SEMICONDUCTOR DEVICES NOT COVERED BY CLASS)
- Count: 1 patents
- Example: 20250015172. SEMICONDUCTOR DEVICE AND METHOD FOR OPERATING A SEMICONDUCTOR DEVICE (Hitachi Energy Ltd)
H01L29/1012 (SEMICONDUCTOR DEVICES NOT COVERED BY CLASS)
- Count: 1 patents
- Example: 20250015172. SEMICONDUCTOR DEVICE AND METHOD FOR OPERATING A SEMICONDUCTOR DEVICE (Hitachi Energy Ltd)
H01L29/083 (SEMICONDUCTOR DEVICES NOT COVERED BY CLASS)
- Count: 1 patents
- Example: 20250015172. SEMICONDUCTOR DEVICE AND METHOD FOR OPERATING A SEMICONDUCTOR DEVICE (Hitachi Energy Ltd)
H01L29/0696 (SEMICONDUCTOR DEVICES NOT COVERED BY CLASS)
- Count: 1 patents
- Example: 20250015172. SEMICONDUCTOR DEVICE AND METHOD FOR OPERATING A SEMICONDUCTOR DEVICE (Hitachi Energy Ltd)
H01L29/745 (SEMICONDUCTOR DEVICES NOT COVERED BY CLASS)
- Count: 1 patents
- Example: 20250015172. SEMICONDUCTOR DEVICE AND METHOD FOR OPERATING A SEMICONDUCTOR DEVICE (Hitachi Energy Ltd)
H01F27/29 (MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES (ceramics based on ferrites)
- Count: 1 patents
- Example: 20250014805. MULTI-HELICAL WINDINGS FOR A TRANSFORMER (Hitachi Energy Ltd)
H01F30/06 (MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES (ceramics based on ferrites)
- Count: 1 patents
- Example: 20250014805. MULTI-HELICAL WINDINGS FOR A TRANSFORMER (Hitachi Energy Ltd)

Top Inventors

Gianpaolo ROMANO (3 patents)
ChunMing YUAN (3 patents)
Anders Daneryd (2 patents)
Kiran Chandra Sahu (2 patents)
Fabian FISCHER (2 patents)
Lluis SANTOLARIA (2 patents)
Juergen STEINKE (2 patents)
Milad MALEKI (2 patents)
Goran Eriksson (2 patents)
Giovanni ALFIERI (2 patents)

Patent Categories

Geographical Distribution of Inventors

Geographical Distribution of US Inventors

AI-Related Patents

Hitachi Energy Ltd has filed 2 AI-related patent applications in 2025.

View detailed analysis of Hitachi Energy Ltd's AI Strategy

@@ Line 1: / Line 1: @@
 == Hitachi Energy Ltd Patent Filing Activity ==
 == Hitachi Energy Ltd patent applications in 2025 ==
-[[File:Hitachi Energy Ltd Monthly Patent Applications 2025 - Up to February 2025.png|border|800px]]
+[[File:Hitachi Energy Ltd Monthly Patent Applications 2025 - Up to April 2025.png|border|800px]]
 == Top 10 Technology Areas ==
-[[File:Hitachi Energy Ltd Top Technology Areas 2025 - Up to February 2025.png|border|800px|Hitachi Energy Ltd Top Technology Areas 2025 - Up to February 2025]]
+[[File:Hitachi Energy Ltd Top Technology Areas 2025 - Up to April 2025.png|border|800px|Hitachi Energy Ltd Top Technology Areas 2025 - Up to April 2025]]
+* [[:Category:CPC_H02M1/0074|H02M1/0074]] (Details of apparatus for conversion)
+** Count: 2 patents
+** Example: [[20250132660. POWER CONTROL OF A POWER CONVERTER BASED ON MIXED TYPES OF POWER CONVERTERS (Hitachi Energy Ltd)]]
 * [[:Category:CPC_H02M3/33573|H02M3/33573]] (APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF  (transformers)
 ** Count: 2 patents
@@ Line 11: / Line 14: @@
 ** Count: 2 patents
 ** Example: [[20250062242. POWER MODULE AND METHOD FOR MANUFACTURING A POWER MODULE (Hitachi Energy Ltd)]]
+* [[:Category:CPC_H10D62/8325|H10D62/8325]] (No explanation available)
+** Count: 2 patents
+** Example: [[20250113570. MANUFACTURING METHOD AND POWER SEMICONDUCTOR DEVICE (Hitachi Energy Ltd)]]
+* [[:Category:CPC_G06N3/045|G06N3/045]] (Combinations of networks)
+** Count: 1 patents
+** Example: [[20250117624. METHOD FOR ESTIMATING A PHYSICAL QUANTITY OF A STATIC ELECTRIC INDUCTION DEVICE ASSEMBLY (Hitachi Energy Ltd)]]
+* [[:Category:CPC_G06N3/0985|G06N3/0985]] (Hyperparameter optimisation; Meta-learning; Learning-to-learn)
+** Count: 1 patents
+** Example: [[20250117624. METHOD FOR ESTIMATING A PHYSICAL QUANTITY OF A STATIC ELECTRIC INDUCTION DEVICE ASSEMBLY (Hitachi Energy Ltd)]]
+* [[:Category:CPC_H01F27/321|H01F27/321]] (MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES  (ceramics based on ferrites)
+** Count: 1 patents
+** Example: [[20250118485. A TRANSFORMER ARRANGEMENT (Hitachi Energy Ltd)]]
+* [[:Category:CPC_H01F27/02|H01F27/02]] (MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES  (ceramics based on ferrites)
+** Count: 1 patents
+** Example: [[20250118485. A TRANSFORMER ARRANGEMENT (Hitachi Energy Ltd)]]
 * [[:Category:CPC_H02B1/24|H02B1/24]] (Circuit arrangements for boards or switchyards)
 ** Count: 1 patents
@@ Line 17: / Line 35: @@
 ** Count: 1 patents
 ** Example: [[20250038493. HIGH VOLTAGE INSTALLATION COMPRISING A PLURALITY OF POWER ELECTRONIC CELLS AND WAVEGUIDE (Hitachi Energy Ltd)]]
-* [[:Category:CPC_H01Q13/20|H01Q13/20]] (Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave)
-** Count: 1 patents
-** Example: [[20250038493. HIGH VOLTAGE INSTALLATION COMPRISING A PLURALITY OF POWER ELECTRONIC CELLS AND WAVEGUIDE (Hitachi Energy Ltd)]]
-* [[:Category:CPC_H02H3/405|H02H3/405]] (EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS  (indicating or signalling undesired working conditions)
-** Count: 1 patents
-** Example: [[20250038519. DISTANCE PROTECTION OF A TRANSMISSION LINE (Hitachi Energy Ltd)]]
-* [[:Category:CPC_G01R31/085|G01R31/085]] (Locating faults in cables, transmission lines, or networks)
-** Count: 1 patents
-** Example: [[20250038519. DISTANCE PROTECTION OF A TRANSMISSION LINE (Hitachi Energy Ltd)]]
-* [[:Category:CPC_G01R31/52|G01R31/52]] (MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES  (indicating correct tuning of resonant circuits)
-** Count: 1 patents
-** Example: [[20250038519. DISTANCE PROTECTION OF A TRANSMISSION LINE (Hitachi Energy Ltd)]]
-* [[:Category:CPC_H02H7/26|H02H7/26]] (Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured  (locating faults in cables)
-** Count: 1 patents
-** Example: [[20250038519. DISTANCE PROTECTION OF A TRANSMISSION LINE (Hitachi Energy Ltd)]]
-* [[:Category:CPC_H01L23/473|H01L23/473]] (by flowing liquids {()
-** Count: 1 patents
-** Example: [[20250069988. COOLER UNIT, SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING A COOLER UNIT (Hitachi Energy Ltd)]]
 == Emerging Technology Areas ==
-[[File:Hitachi Energy Ltd Top Emerging Technology Areas 2025 - Up to February 2025.png|border|800px|Hitachi Energy Ltd Top Emerging Technology Areas 2025 - Up to February 2025]]
+[[File:Hitachi Energy Ltd Top Emerging Technology Areas 2025 - Up to April 2025.png|border|800px|Hitachi Energy Ltd Top Emerging Technology Areas 2025 - Up to April 2025]]
 * [[:Category:CPC_H01H31/003|H01H31/003]] (Air-break switches for high tension without arc-extinguishing or arc-preventing means  (in combination with high tension or heavy-current switches with arc-extinguishing or arc-preventing means)
@@ Line 69: / Line 69: @@
 ** Example: [[20250014805. MULTI-HELICAL WINDINGS FOR A TRANSFORMER (Hitachi Energy Ltd)]]
 == Top Inventors ==
-[[File:Hitachi Energy Ltd Top Inventors 2025 - Up to February 2025.png|border|800px|Hitachi Energy Ltd Top Inventors 2025 - Up to February 2025]]
+[[File:Hitachi Energy Ltd Top Inventors 2025 - Up to April 2025.png|border|800px|Hitachi Energy Ltd Top Inventors 2025 - Up to April 2025]]
+* [[:Category:Gianpaolo ROMANO|Gianpaolo ROMANO]] (3 patents)
+* [[:Category:ChunMing YUAN|ChunMing YUAN]] (3 patents)
+* [[:Category:Anders Daneryd|Anders Daneryd]] (2 patents)
+* [[:Category:Kiran Chandra Sahu|Kiran Chandra Sahu]] (2 patents)
 * [[:Category:Fabian FISCHER|Fabian FISCHER]] (2 patents)
 * [[:Category:Lluis SANTOLARIA|Lluis SANTOLARIA]] (2 patents)
-* [[:Category:ChunMing YUAN|ChunMing YUAN]] (2 patents)
 * [[:Category:Juergen STEINKE|Juergen STEINKE]] (2 patents)
 * [[:Category:Milad MALEKI|Milad MALEKI]] (2 patents)
-* [[:Category:Arne SCHROEDER|Arne SCHROEDER]] (1 patent)
+* [[:Category:Goran Eriksson|Goran Eriksson]] (2 patents)
-* [[:Category:Michele LUVISOTTO|Michele LUVISOTTO]] (1 patent)
+* [[:Category:Giovanni ALFIERI|Giovanni ALFIERI]] (2 patents)
-* [[:Category:Torsten NILSSON|Torsten NILSSON]] (1 patent)
-* [[:Category:OD NAIDU|OD NAIDU]] (1 patent)
-* [[:Category:Neethu GEORGE|Neethu GEORGE]] (1 patent)
 == Patent Categories ==
-[[File:Hitachi Energy Ltd Patent Categories 2025 - Up to February 2025.png|border|500px|Hitachi Energy Ltd Patent Categories 2025 - Up to February 2025]]
+[[File:Hitachi Energy Ltd Patent Categories 2025 - Up to April 2025.png|border|500px|Hitachi Energy Ltd Patent Categories 2025 - Up to April 2025]]
 == Geographical Distribution of Inventors ==
-[[File:Hitachi Energy Ltd Inventor Countries 2025 - Up to February 2025.png|border|800px|Hitachi Energy Ltd Inventor Countries 2025 - Up to February 2025]]
+[[File:Hitachi Energy Ltd Inventor Countries 2025 - Up to April 2025.png|border|800px|Hitachi Energy Ltd Inventor Countries 2025 - Up to April 2025]]
 == Geographical Distribution of US Inventors ==
-[[File:Hitachi Energy Ltd Inventor States 2025 - Up to February 2025.png|border|800px|Hitachi Energy Ltd Inventor States 2025 - Up to February 2025]]
+[[File:Hitachi Energy Ltd Inventor States 2025 - Up to April 2025.png|border|800px|Hitachi Energy Ltd Inventor States 2025 - Up to April 2025]]
+== AI-Related Patents ==
+Hitachi Energy Ltd has filed 2 AI-related patent applications in 2025.
+[[File:Hitachi Energy Ltd AI Technology Areas 2025 - Up to April 2025.png|border|800px|Hitachi Energy Ltd AI Technology Areas 2025 - Up to April 2025]]
+[[File:Hitachi Energy Ltd AI Patent Categories 2025 - Up to April 2025.png|border|500px|Hitachi Energy Ltd AI Patent Categories 2025 - Up to April 2025]]
+[[File:Hitachi Energy Ltd AI Patent Trends 2025 - Up to April 2025.png|border|800px|Hitachi Energy Ltd AI Patent Trends 2025 - Up to April 2025]]
+[[Hitachi Energy Ltd_AI_Strategy_2025|View detailed analysis of Hitachi Energy Ltd's AI Strategy]]
 [[Category:Hitachi Energy Ltd]]
 [[Category:Companies]]
+[[Category:CPC_G06N3/045]]
+[[Category:CPC_G06N3/0985]]
+[[Category:CPC_H01F27/321]]
+[[Category:CPC_H01F27/02]]
 [[Category:CPC_H02B1/24]]
 [[Category:CPC_H01Q1/526]]
@@ Line 109: / Line 124: @@
 [[Category:CPC_H02M7/797]]
 [[Category:CPC_H02M1/32]]
+[[Category:CPC_H02M1/0074]]
+[[Category:CPC_H02M1/0058]]
+[[Category:CPC_H02M3/01]]
+[[Category:CPC_H02M3/33584]]
 [[Category:CPC_H02M3/33576]]
 [[Category:CPC_H02M1/0043]]
@@ Line 119: / Line 138: @@
 [[Category:CPC_H01L2224/48175]]
 [[Category:CPC_H01L2224/49176]]
+[[Category:CPC_H02B13/0352]]
+[[Category:CPC_H02B13/0358]]
+[[Category:CPC_H02B13/045]]
+[[Category:CPC_H02B13/055]]
+[[Category:CPC_H02B13/075]]
+[[Category:CPC_H02J7/0031]]
+[[Category:CPC_G05B23/0291]]
+[[Category:CPC_H02J7/0013]]
+[[Category:CPC_H02J7/0063]]
+[[Category:CPC_H02J3/28]]
 [[Category:CPC_H02H7/1213]]
 [[Category:CPC_H02H7/268]]
@@ Line 128: / Line 157: @@
 [[Category:CPC_H02M1/36]]
 [[Category:CPC_H02M1/0064]]
-[[Category:CPC_H02M1/0074]]
 [[Category:CPC_H02M1/0077]]
 [[Category:CPC_H02M1/14]]
 [[Category:CPC_H02M3/33592]]
+[[Category:CPC_G01R31/62]]
+[[Category:CPC_H01F29/02]]
+[[Category:CPC_H01B7/0233]]
+[[Category:CPC_H01P1/02]]
+[[Category:CPC_H01C1/032]]
+[[Category:CPC_H01C7/12]]
+[[Category:CPC_H01F27/33]]
+[[Category:CPC_H01F27/327]]
+[[Category:CPC_H01F27/36]]
+[[Category:CPC_H01F7/064]]
+[[Category:CPC_G01N29/12]]
+[[Category:CPC_G01N2291/02863]]
+[[Category:CPC_H01H33/664]]
+[[Category:CPC_H01H71/02]]
+[[Category:CPC_H01H71/08]]
+[[Category:CPC_H02H9/04]]
+[[Category:CPC_H04B5/79]]
+[[Category:CPC_H04B5/48]]
+[[Category:CPC_H05K9/0007]]
+[[Category:CPC_H10D62/8325]]
+[[Category:CPC_H01L21/0475]]
+[[Category:CPC_H10D64/027]]
+[[Category:CPC_H01L21/02378]]
+[[Category:CPC_H01L21/02447]]
+[[Category:CPC_H01L21/02529]]
 [[Category:CPC_H01F27/303]]
 [[Category:CPC_H01F2027/348]]