Tadashi Ohta
32Patents
11h-index
36Co-inventors
75Inventor score
Filing activity: Nov 5, 1985 → Mar 11, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5961596A | Method of monitoring a computer system, featuring performance data distribution to plural monitoring processes | Physics | 86 | Expired |
| US7891826B2 | Projector | Electricity | 32 | Active |
| US4819161A | Method of automatic generation of a computer for numerical simulation of physical phenomenon | Physics | 32 | Expired |
| US7612806B2 | Digital camera | Electricity | 29 | Expired |
| US6993206B2 | Position detector and attitude detector | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US7158182B2 | Camera that engages in a focusing operation through a contrast method | Electricity | 19 | Expired |
| US4763208A | Playback apparatus in electronic still camera system | Electricity | 17 | Expired |
| US4915477A | Method for driving an electro-optical device wherein erasing data stored in each pixel by providing each scan line and data line with an erasing signal | Physics | 16 | Expired |
| US6297874A | Film image reading device and a storage medium which stores a control procedure for the film image reading device | Electricity | 15 | Expired |
| US7158183B1 | Digital camera | Electricity | 11 | Expired |
| US7184090B2 | Camera | Electricity | 11 | Expired |
| US8681243B2 | Digital camera | Electricity | 10 | Active |
| US8147066B2 | Portable information device having a projector and an imaging device | Electricity | 8 | Active |
| US5121261A | Digital video signal processing apparatus | Electricity | 7 | Expired |
| US6721499B2 | Camera | Electricity | 6 | Expired |
| US6373550B1 | Image reading system storage medium for obtaining a final image by displaying a plurality of preliminary images read under various reading conditions | Electricity | 6 | Expired |
| US5125139A | Hydraulic drive mechanism in machine tool | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8212909B2 | Digital camera | Electricity | 4 | Active |
| US6952291B2 | Imaging device | Electricity | 4 | Expired |
| US8120664B2 | Digital camera | Electricity | 4 | Active |
| US5258878A | Electronic still camera with recording disk and recording control | Electricity | 4 | Expired |
| US5926287A | Imaging device | Electricity | 4 | Expired |
| US4896226A | Multi-motor electronic still camera having recording disk, focal plane shutter, and optical filters | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8189059B2 | Digital camera and digital camera system | Electricity | 3 | Active |
| US7999854B2 | Digital camera for outputting image data according to application program, and peripheral for carrying out application program | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.