Kanichi Matsumoto
9Patents
6h-index
13Co-inventors
52Inventor score
Filing activity: Jul 22, 1998 → Nov 9, 2004
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6677992B1 | Imaging apparatus offering dynamic range that is expandable by weighting two image signals produced during different exposure times with two coefficients whose sum is 1 and adding them up | Electricity | 126 | Expired |
| US6184922A | Endoscopic imaging system in which still image-specific or motion picture-specific expansion unit can be coupled to digital video output terminal in freely uncoupled manner | Electricity | 98 | Expired |
| US7119830B2 | Endoscopic imaging system making it possible to detachably attach expansion unit having external expansion facility and add expansion facility for improving capability of system | Electricity | 65 | Expired |
| US6441845B1 | Image pickup apparatus enlarging a dynamic range of an image pickup signal | Electricity | 44 | Expired |
| US7221388B2 | Endoscope image sensing method and apparatus | Electricity | 23 | Expired |
| US6538687B1 | Endoscopic imaging system making it possible to detachably attach expansion unit having external expansion facility and add expansion facility for improving capability of system | Electricity | 14 | Expired |
| US6456317B1 | Endoscopic apparatus | Electricity | 6 | Expired |
| US7167196B2 | Endoscopic imaging system making it possible to detachably attach expansion unit having external expansion facility and add expansion facility for improving capability of system | Electricity | 1 | Expired |
| USRE41467E1 | Endoscopic imaging system in which still image-specific or motion picture-specific expansion unit can be coupled to digital video output terminal in freely uncoupled manner | General | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.