Hisayuki II
6Patents
5h-index
7Co-inventors
56Inventor score
Filing activity: Jun 21, 1990 → Oct 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5396367A | Zoom lens assembly | Physics | 24 | Expired |
| US5100223A | Zoom lens | Physics | 16 | Expired |
| US5235466A | Zoom lens | Physics | 15 | Expired |
| US5940221A | Zoom lens and video camera comprising the same | Physics | 13 | Expired |
| US5978152A | Zoom lens system | Physics | 8 | Expired |
| US11668914B2 | Zoom lens system, and lens barrel, image capture device, and camera system including the zoom lens system | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.