Choji Umemoto
4Patents
4h-index
2Co-inventors
40Inventor score
Filing activity: Jun 13, 1986 → Oct 3, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5838457A | Index printing apparatus including exposure control means | Physics | 23 | Expired |
| US5838373A | Imaging circuit having Interlaced and non-interlaced mode | Electricity | 15 | Expired |
| US5671072A | Image film developer for printing changed film image data and image data change condition | Physics | 7 | Expired |
| US4779987A | Method of spectrographically measuring density of photographic negative color film | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.