Ryunosuke Iijima
20Patents
11h-index
14Co-inventors
72Inventor score
Filing activity: Feb 11, 1991 → Nov 22, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5877811A | Interchangeable lens type camera apparatus | Electricity | 31 | Expired |
| US6392702B1 | Image pickup apparatus with lens unit detection and recording | Electricity | 27 | Expired |
| US5387960A | Camera apparatus | Electricity | 20 | Expired |
| US5600371A | Image pickup apparatus with lens unit detection and recording control | Electricity | 19 | Expired |
| US6130717A | Image pickup apparatus with a lens unit attachment/detachment indication | Electricity | 19 | Expired |
| US5144492A | Lens control system | Physics | 17 | Expired |
| US6512549B1 | Automatic focusing apparatus | Electricity | 16 | Expired |
| US6271883A | Automatic focusing apparatus for a video camera | Electricity | 16 | Expired |
| US5548369A | Camera | Physics | 13 | Expired |
| US5587842A | Lens control system | Physics | 11 | Expired |
| US5923371A | Automatic focus adjusting apparatus | Electricity | 11 | Expired |
| US5463442A | Interchangeable lens unit for use in camera system | Physics | 11 | Expired |
| US6097511A | Video camera with interruption of recording upon detection of improper mounting of interchangeable lens | Electricity | 6 | Expired |
| US5583603A | Camera apparatus | Electricity | 3 | Expired |
| US7667744B2 | Image pickup apparatus and method of controlling same | Electricity | 2 | Active |
| US7212232B2 | Reproduction apparatus and computer program for controlling reproduction apparatus | Electricity | 1 | Expired |
| US7382977B2 | Image capture apparatus | Electricity | 0 | Active |
| US8488049B2 | Image pickup apparatus, control method thereof, and program | Electricity | 0 | Active |
| US8154624B2 | Image pickup apparatus and control method thereof | Electricity | 0 | Active |
| US7903153B2 | Image pickup apparatus and method of controlling same | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.