Fumio Urano
37Patents
7h-index
23Co-inventors
65Inventor score
Filing activity: Dec 18, 1973 → Apr 28, 1984
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4558368A | Stop control apparatus for electronic camera | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4589750A | Adapter for connecting single-lens reflex camera lens to video camera | Physics | 12 | Expired |
| US4209247A | Environmentally protected camera with an interchangeable drawing type finder | Physics | 12 | Expired |
| US4081807A | Reflex mirror for single lens reflex camera | Physics | 12 | Expired |
| US4164369A | Diopter-adjusting device for use in finder-interchangeable type single lens reflex camera | Physics | 9 | Expired |
| US4477161A | Compensator system for diaphragm control in a single-lens reflex camera of interchangeable lens type | Physics | 9 | Expired |
| US4110765A | Light-measuring systems for single lens reflex cameras | Physics | 7 | Expired |
| US4075641A | Automatic exposure control device in a camera | Physics | 7 | Expired |
| US4051503A | Exposure display device for a single lens reflex camera | Physics | 7 | Expired |
| US3996593A | Exposure control device in a camera | Physics | 7 | Expired |
| US4208118A | Moisture and dust proof sealing arrangement for camera body rear cover | Physics | 7 | Expired |
| US4034390A | Magnet warning device for focal plane electric shutter camera | Physics | 7 | Expired |
| US4440403A | Drop-proof and dust-proof device in rotary operation section of camera | Physics | 6 | Expired |
| US4132472A | Replaceable finder system for single-lens reflex camera | Physics | 6 | Expired |
| US4191463A | Counter device for multiple exposure in a camera | Physics | 6 | Expired |
| US4212525A | Release device in a camera having a motor drive unit | Physics | 5 | Expired |
| US3956757A | Camera exposure control circuit | Physics | 5 | Expired |
| US4239360A | Indication device in the finder of a single-lens reflex camera | Physics | 5 | Expired |
| US4067033A | Correcting device for cameras with automatic exposure control | Physics | 5 | Expired |
| US4621918A | Compensation for diaphragm control in SLR camera | Physics | 4 | Expired |
| US3990089A | Camera shutter multi-mode controller providing in one mode a power-saving interval | Physics | 4 | Expired |
| US4099188A | Automatic exposure control device for single lens reflex camera | Physics | 4 | Expired |
| US4429973A | Compensation for diaphragm control for SLR camera | Physics | 4 | Expired |
| US4135795A | Digital indicator device for indicating photographing exposure values in the form of digits | Physics | 4 | Expired |
| US4123764A | Exposure control device | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.