Hiroyuki Matsumoto
367Patents
25h-index
418Co-inventors
93Inventor score
Filing activity: May 7, 1975 → May 10, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6523892B1 | Seat structure for vehicle | Performing Operations; Transporting | 134 | Expired |
| US6490713B2 | Method and apparatus for automatically generating multi-terminal nets, and program storage medium storing program for executing automatic multi-terminal net generation method | Physics | 126 | Expired |
| US6295634A | Wiring design apparatus, wiring determination apparatus and methods thereof | Physics | 104 | Expired |
| US5825724A | Magneto-optical recording method using laser beam intensity setting based on playback signal | Physics | 101 | Expired |
| US5657330A | Single-chip microprocessor with built-in self-testing function | Physics | 87 | Expired |
| USD719205S1 | Video camera | General | 84 | Active |
| US4832099A | Pneumatic radial tire with grooves of varying cross section | Performing Operations; Transporting | 69 | Expired |
| USD696329S1 | Camera | General | 63 | Active |
| USD676476S1 | Video camera for memory card | General | 59 | Active |
| US9826211B2 | Sound processing system and processing method that emphasize sound from position designated in displayed video image | Electricity | 52 | Active |
| US9578413B2 | Audio processing system and audio processing method | Electricity | 40 | Active |
| USD706855S1 | Camera stand | General | 36 | Active |
| USD806895S1 | Bus shelter | General | 35 | Active |
| US10206030B2 | Microphone array system and microphone array control method | Electricity | 34 | Active |
| US10244219B2 | Sound processing system and sound processing method that emphasize sound from position designated in displayed video image | Electricity | 34 | Active |
| US9860439B2 | Directionality control system, calibration method, horizontal deviation angle computation method, and directionality control method | Electricity | 33 | Active |
| US5283693A | Compact zoom lens system | Physics | 33 | Expired |
| USD556680S1 | Battery for video camera | General | 32 | Expired |
| US6152969A | Anthrapyridone compounds, water-based ink composition, and articles colored therewith | Chemistry; Metallurgy | 32 | Expired |
| USD864193S1 | Interactive kiosk | General | 31 | Active |
| USD998619S1 | Portable computer | General | 30 | Active |
| US5152854A | Pneumatic tire having directional tread | Emerging Cross-Sectional Technologies | 30 | Expired |
| USD378677S | Video editor with liquid crystal monitor | General | 30 | Expired |
| US5862103A | Magneto-optical recording method capable of determining optimum laser beam intensities | Physics | 29 | Expired |
| US5257135A | Compact zoom lens system | Physics | 29 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.