Hiroto Tsuyuki
6Patents
4h-index
14Co-inventors
46Inventor score
Filing activity: Jul 10, 1989 → Sep 16, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5883386A | Light-receiving apparatus having a position detectable portion on a sealing frame and its manufacturing method | Electricity | 9 | Expired |
| US4974006A | Camera lens driving device | Physics | 5 | Expired |
| US5028946A | Shutter for a single lens reflex camera | Physics | 5 | Expired |
| US5045873A | Motor driven shutter | Physics | 5 | Expired |
| US4929977A | Flash photography changeover device | Physics | 3 | Expired |
| US5602613A | Lens driving device | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.