Hidefumi Okada
16Patents
9h-index
15Co-inventors
65Inventor score
Filing activity: Aug 30, 1994 → Sep 26, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6903770B1 | Digital camera which produces a single image based on two exposures | Electricity | 255 | Expired |
| US5552827A | Color video camera with a solid state image sensing device | Electricity | 76 | Expired |
| US5852468A | 1-chip color video camera for generating inter-pixel color signal component by interpolating primary color signals from neighboring pixels | Electricity | 37 | Expired |
| US5555023A | Signal processing circuit for video camera which prevents a false aperture signal from being generated | Electricity | 29 | Expired |
| US6304292A | Digital video camera with high-speed mode | Electricity | 24 | Expired |
| US6133953A | Color camera having a single imaging element and capable of restricting unwanted false color signal | Electricity | 19 | Expired |
| US6750911B1 | Imaging apparatus and digital camera | Electricity | 13 | Expired |
| US5706058A | Gamma correction circuit for correcting video data obtained by photoelectric transfer and having a non-linear characteristic | Electricity | 11 | Expired |
| US6683642B1 | Digital camera using separate buses for transferring DMA processed data and CPU processed data | Electricity | 11 | Expired |
| US5729486A | Digital dividing apparatus using a look-up table | Physics | 3 | Expired |
| US6897895B1 | Digital camera | Electricity | 2 | Expired |
| US6727947B1 | Digital camera | Electricity | 2 | Expired |
| US7352396B2 | Edge emphasizing circuit | Electricity | 2 | Expired |
| US6752675B2 | Method for recycling cathode ray tube bulb | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8072643B2 | Image processing apparatus | Physics | 0 | Active |
| US7573511B2 | Digital camera | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.