Fumiyuki Okawa
14Patents
3h-index
17Co-inventors
53Inventor score
Filing activity: Jun 22, 2004 → Jul 27, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7573499B2 | Endoscope apparatus for obtaining properly dimmed observation images | Electricity | 69 | Active |
| US8212863B2 | Signal output board and endoscope | Electricity | 65 | Active |
| US7889228B2 | Signal processing device for endoscope | Electricity | 6 | Active |
| US8896680B2 | Endoscope with first and second voltage comparing portions | Electricity | 3 | Active |
| US9876974B2 | Endoscope | Electricity | 2 | Active |
| US8866940B2 | Image pickup apparatus | Electricity | 2 | Active |
| US11045072B2 | Endoscope and method of operating endoscope | Electricity | 1 | Active |
| US9936864B2 | Image pickup apparatus and electronic endoscope system | Electricity | 1 | Active |
| US10531026B2 | Endoscope system | Electricity | 1 | Active |
| US9775498B2 | Endoscope system | Electricity | 0 | Active |
| US10548461B2 | Endoscope apparatus | Electricity | 0 | Active |
| US9768619B2 | Power supply control circuit | Electricity | 0 | Active |
| US9888836B2 | Endoscope | Electricity | 0 | Active |
| US10980405B2 | Imaging device and endoscope | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.