Kenji Matsui
56Patents
16h-index
84Co-inventors
87Inventor score
Filing activity: Mar 18, 1974 → Feb 1, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3944163A | Seat belt retractor | Performing Operations; Transporting | 1,012 | Expired |
| US4924210A | Method of controlling communication in an ID system | Physics | 112 | Expired |
| US5884257A | Voice recognition and voice response apparatus using speech period start point and termination point | Physics | 47 | Expired |
| US5864812A | Speech synthesizing method and apparatus for combining natural speech segments and synthesized speech segments | Physics | 37 | Expired |
| US5752713A | Vehicle occupant crash protector | Performing Operations; Transporting | 30 | Expired |
| US4436255A | Seatbelt retractor | Performing Operations; Transporting | 29 | Expired |
| US6823309B1 | Speech synthesizing system and method for modifying prosody based on match to database | Physics | 28 | Expired |
| US4485378A | Display control apparatus | Physics | 25 | Expired |
| US6862566B2 | Method and apparatus for converting an expression using key words | Physics | 24 | Expired |
| US6471420B1 | Voice selection apparatus voice response apparatus, and game apparatus using word tables from which selected words are output as voice selections | Physics | 22 | Expired |
| US5634690A | Buckle retractor | Performing Operations; Transporting | 22 | Expired |
| US4749421A | Method for manufacturing monolithic ceramic electronic components | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6349277B1 | Method and system for analyzing voices | Physics | 18 | Expired |
| US4941181A | Data processing method in recognition system | Physics | 17 | Expired |
| US6490562B1 | Method and system for analyzing voices | Physics | 16 | Expired |
| US4583701A | Webbing retractor | Performing Operations; Transporting | 16 | Expired |
| US5588608A | Pretensioner | Performing Operations; Transporting | 14 | Expired |
| US7540321B2 | Air conditioner for vehicle | Performing Operations; Transporting | 13 | Active |
| US8937737B2 | Image processing apparatus, thumbnail image generating method, and recording medium | Electricity | 13 | Active |
| US6937035B2 | Method and apparatus for inspecting printed circuit boards | Physics | 12 | Expired |
| US5779176A | Webbing take-up device | Performing Operations; Transporting | 11 | Expired |
| US4729523A | Locking mechanism for webbing retractor | Performing Operations; Transporting | 11 | Expired |
| US6516298B1 | System and method for synthesizing multiplexed speech and text at a receiving terminal | Physics | 10 | Expired |
| US4858953A | Apparatus for driving an intermediate portion of webbing | Performing Operations; Transporting | 10 | Expired |
| US4682790A | Webbing retaining structure | Performing Operations; Transporting | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.