Mutsuhide Matsuda
39Patents
12h-index
37Co-inventors
77Inventor score
Filing activity: Sep 11, 1974 → Aug 22, 1990
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4924249A | Power supply device for camera | Electricity | 62 | Expired |
| US4853725A | Connector for a camera | Electricity | 44 | Expired |
| US4999659A | Connector device for a camera | Electricity | 41 | Expired |
| US4970558A | Connector for a camera | Electricity | 26 | Expired |
| US4261658A | Camera | Physics | 17 | Expired |
| USD271880S | Camera | General | 17 | Expired |
| US4199235A | Camera with autofocusing device | Physics | 16 | Expired |
| US5043754A | Power supply device for camera | Electricity | 14 | Expired |
| US4181415A | Camera | Physics | 14 | Expired |
| US4153355A | Camera incorporated with a movable flash light device | Physics | 13 | Expired |
| US4142788A | Power source switch for use in a camera circuit to detect a focused condition | Physics | 12 | Expired |
| US4458996A | Photographic operation control circuit for camera | Physics | 12 | Expired |
| US4351599A | Camera | Physics | 11 | Expired |
| US4307950A | Focus adjusting device for camera | Physics | 9 | Expired |
| US4030108A | Aperture setting device for camera | Physics | 9 | Expired |
| US4273432A | Motor driven camera | Physics | 8 | Expired |
| US4400071A | Auto-focus camera | Physics | 8 | Expired |
| US4529304A | Zone sensing apparatus | Physics | 8 | Expired |
| US4104651A | Focusing screen unit for single lens reflex camera | Physics | 7 | Expired |
| US4357087A | Camera incorporated with a movable flash light device | Physics | 7 | Expired |
| US4432621A | Auto-focus built-in camera | Physics | 6 | Expired |
| US3994007A | Automatic flash photography apparatus | Physics | 5 | Expired |
| US4208110A | Camera with selectable automatic and manual exposure control | Physics | 5 | Expired |
| US4288151A | Power source switch for use in camera circuit to detect a focused condition | Physics | 5 | Expired |
| US4351598A | Camera | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.