Junichi Fukawa
9Patents
3h-index
8Co-inventors
46Inventor score
Filing activity: Dec 21, 1988 → Jan 29, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5441847A | Method for processing a black-and-white silver halide photographic light-sensitive material | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5238800A | Silver halide photographic light-sensitive material improved in anti-jamming property | Physics | 8 | Expired |
| US4988603A | Method for the formation of high-contrast images using a developer comprising a hydrazine derivative | Physics | 7 | Expired |
| US5766820A | Silver halide photographic light-sensitive material and its developing methods | Physics | 3 | Expired |
| US5591561A | Method for processing black-and-white silver halide photographic light-sensitive material | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6479199B2 | Processing method of silver halide photographic light sensitive material | Physics | 1 | Expired |
| USH1090H | Light-sensitive silver halide photographic material | General | 1 | Active |
| US5837418A | Silver halide black and white photographic light sensitive material | Physics | 1 | Expired |
| USH1091H | Light-sensitive silver halide photographic material | General | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.