Difference between revisions of "Category:Chunfa Liu"
Jump to navigation
Jump to search
Wikipatents (talk | contribs) (Updating Category:Chunfa_Liu) |
Wikipatents (talk | contribs) (Updating Category:Chunfa_Liu) |
||
| Line 2: | Line 2: | ||
=== Executive Summary === | === Executive Summary === | ||
| − | Chunfa Liu is an inventor who has filed 5 patents. Their primary areas of innovation include | + | Chunfa Liu is an inventor who has filed 5 patents. Their primary areas of innovation include {Magnetic circuit} (4 patents), Loudspeakers (2 patents), Diaphragms comprising polymeric materials (2 patents), and they have worked with companies such as Goertek Inc. (4 patents), GOERTEK INC. (1 patents). Their most frequent collaborators include [[Category:Fengguang Ling|Fengguang Ling]] (2 collaborations), [[Category:Chun Li|Chun Li]] (2 collaborations), [[Category:Shousong Qiang|Shousong Qiang]] (2 collaborations). |
=== Patent Filing Activity === | === Patent Filing Activity === | ||
| Line 11: | Line 11: | ||
==== List of Technology Areas ==== | ==== List of Technology Areas ==== | ||
| − | * [[:Category:CPC_H04R9/025|H04R9/025]] ( | + | * [[:Category:CPC_H04R9/025|H04R9/025]] ({Magnetic circuit}): 4 patents |
| − | * [[:Category:CPC_H04R9/06|H04R9/06]] ( | + | * [[:Category:CPC_H04R9/06|H04R9/06]] (Loudspeakers): 2 patents |
| − | * [[:Category:CPC_H04R2307/025|H04R2307/025]] ( | + | * [[:Category:CPC_H04R2307/025|H04R2307/025]] (Diaphragms comprising polymeric materials): 2 patents |
| − | * [[:Category:CPC_H04R9/045|H04R9/045]] ( | + | * [[:Category:CPC_H04R9/045|H04R9/045]] ({Mounting (): 2 patents |
| − | * [[:Category:CPC_C08J5/18|C08J5/18]] ( | + | * [[:Category:CPC_C08J5/18|C08J5/18]] (Manufacture of films or sheets): 1 patents |
| − | * [[:Category:CPC_H04R7/10|H04R7/10]] ( | + | * [[:Category:CPC_H04R7/10|H04R7/10]] (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general): 1 patents |
| − | * [[:Category:CPC_H04R31/003|H04R31/003]] ( | + | * [[:Category:CPC_H04R31/003|H04R31/003]] ({for diaphragms or their outer suspension}): 1 patents |
| − | * [[:Category:CPC_H04R1/24|H04R1/24]] ( | + | * [[:Category:CPC_H04R1/24|H04R1/24]] (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general): 1 patents |
| − | * [[:Category:CPC_H04R7/18|H04R7/18]] ( | + | * [[:Category:CPC_H04R7/18|H04R7/18]] (at the periphery): 1 patents |
| − | * [[:Category:CPC_H04R1/10|H04R1/10]] ( | + | * [[:Category:CPC_H04R1/10|H04R1/10]] (Earpieces; Attachments therefor {; Earphones; Monophonic headphones (): 1 patents |
| − | * [[:Category:CPC_H04R7/12|H04R7/12]] ( | + | * [[:Category:CPC_H04R7/12|H04R7/12]] (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general): 1 patents |
| − | * [[:Category:CPC_H04R7/04|H04R7/04]] ( | + | * [[:Category:CPC_H04R7/04|H04R7/04]] (Plane diaphragms): 1 patents |
| − | * [[:Category:CPC_C08J5/0405|C08J5/0405]] ( | + | * [[:Category:CPC_C08J5/0405|C08J5/0405]] (Reinforcing macromolecular compounds with loose or coherent fibrous material): 1 patents |
| − | * [[:Category:CPC_C08J7/042|C08J7/042]] ( | + | * [[:Category:CPC_C08J7/042|C08J7/042]] ({with two or more layers, where at least one layer of a composition contains a polymer binder}): 1 patents |
| − | * [[:Category:CPC_C08K3/06|C08K3/06]] ( | + | * [[:Category:CPC_C08K3/06|C08K3/06]] (Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives): 1 patents |
| − | * [[:Category:CPC_C08K5/0016|C08K5/0016]] ( | + | * [[:Category:CPC_C08K5/0016|C08K5/0016]] (Use of organic ingredients): 1 patents |
| − | * [[:Category:CPC_C08K5/40|C08K5/40]] ( | + | * [[:Category:CPC_C08K5/40|C08K5/40]] (Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives): 1 patents |
| − | * [[:Category:CPC_C08J2381/04|C08J2381/04]] ( | + | * [[:Category:CPC_C08J2381/04|C08J2381/04]] (WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES): 1 patents |
| − | * [[:Category:CPC_H04R2307/029|H04R2307/029]] ( | + | * [[:Category:CPC_H04R2307/029|H04R2307/029]] (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general): 1 patents |
| − | * [[:Category:CPC_H04R9/043|H04R9/043]] ( | + | * [[:Category:CPC_H04R9/043|H04R9/043]] ({Inner suspension or damper, e.g. spider (outer suspension or surround): 1 patents |
=== Companies === | === Companies === | ||
Latest revision as of 05:12, 20 July 2024
Contents
Chunfa Liu
Executive Summary
Chunfa Liu is an inventor who has filed 5 patents. Their primary areas of innovation include {Magnetic circuit} (4 patents), Loudspeakers (2 patents), Diaphragms comprising polymeric materials (2 patents), and they have worked with companies such as Goertek Inc. (4 patents), GOERTEK INC. (1 patents). Their most frequent collaborators include (2 collaborations), (2 collaborations), (2 collaborations).
Patent Filing Activity
Technology Areas
List of Technology Areas
- H04R9/025 ({Magnetic circuit}): 4 patents
- H04R9/06 (Loudspeakers): 2 patents
- H04R2307/025 (Diaphragms comprising polymeric materials): 2 patents
- H04R9/045 ({Mounting (): 2 patents
- C08J5/18 (Manufacture of films or sheets): 1 patents
- H04R7/10 (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general): 1 patents
- H04R31/003 ({for diaphragms or their outer suspension}): 1 patents
- H04R1/24 (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general): 1 patents
- H04R7/18 (at the periphery): 1 patents
- H04R1/10 (Earpieces; Attachments therefor {; Earphones; Monophonic headphones (): 1 patents
- H04R7/12 (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general): 1 patents
- H04R7/04 (Plane diaphragms): 1 patents
- C08J5/0405 (Reinforcing macromolecular compounds with loose or coherent fibrous material): 1 patents
- C08J7/042 ({with two or more layers, where at least one layer of a composition contains a polymer binder}): 1 patents
- C08K3/06 (Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives): 1 patents
- C08K5/0016 (Use of organic ingredients): 1 patents
- C08K5/40 (Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives): 1 patents
- C08J2381/04 (WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES): 1 patents
- H04R2307/029 (LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS (generating mechanical vibrations in general): 1 patents
- H04R9/043 ({Inner suspension or damper, e.g. spider (outer suspension or surround): 1 patents
Companies
List of Companies
- Goertek Inc.: 4 patents
- GOERTEK INC.: 1 patents
Collaborators
- Fengguang Ling (2 collaborations)
- Chun Li (2 collaborations)
- Shousong Qiang (2 collaborations)
- Shuqiang Wang (1 collaborations)
- Miaomiao WANG (1 collaborations)
- Xiaodong Guo (1 collaborations)
- Chengfei Zhang (1 collaborations)
- WEIFENG PENG (1 collaborations)
- JIANBIN YANG (1 collaborations)
- Jianbin Yang (1 collaborations)
Subcategories
This category has the following 3 subcategories, out of 3 total.
