Yasuhisa Okabe
12Patents
8h-index
21Co-inventors
72Inventor score
Filing activity: Sep 3, 1974 → Jun 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5579396A | Surround signal processing apparatus | Electricity | 96 | Expired |
| US6889208B1 | Contents sale system | Electricity | 55 | Expired |
| US5761315A | Surround signal processing apparatus | Electricity | 33 | Expired |
| USD524201S1 | Brake disc for motorcycles | General | 15 | Expired |
| US7331593B2 | Motorcycle rear fender structure | Performing Operations; Transporting | 14 | Active |
| US7331433B2 | Brake disc for automotive disc brake assembly | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4274059A | Single ended push-pull amplifier | Electricity | 11 | Expired |
| USD501437S1 | Brake disc for motorcycles | General | 11 | Expired |
| US7258186B2 | Vehicle body frame of motorcycles | Performing Operations; Transporting | 5 | Expired |
| US3983500A | Angle modulated wave demodulation system | Electricity | 2 | Expired |
| US4107478A | Angle modulated wave demodulation system | Electricity | 1 | Expired |
| US11077884B2 | Utility vehicle | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.