Yasuaki Deguchi
22Patents
5h-index
38Co-inventors
65Inventor score
Filing activity: Jun 24, 1992 → Nov 20, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6159673A | Oxonol compound, light-sensitive material and process for the synthesis of oxonol compound | Chemistry; Metallurgy | 15 | Expired |
| US5395742A | Diaminostilbene series compound and a method for forming an image using the same | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5294527A | Silver halide color photographic material | Physics | 11 | Expired |
| US6068969A | Silver halide color photographic light-sensitive material and method for forming an image using the same | Physics | 9 | Expired |
| US6727053B2 | Dye-forming coupler, silver halide photographic light-sensitive material and azomethine dye compound | Physics | 7 | Expired |
| US7008760B1 | Silver halide color photographic light-sensitive material and method of forming a color image | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6681187B2 | Composition amount determining method and device for functional mixture | Physics | 5 | Expired |
| US5415982A | Method for forming a color image | Physics | 3 | Expired |
| US6291151A | Silver halide photographic light-sensitive material and image forming method | Physics | 3 | Expired |
| US6284446A | Silver halide color photographic material and development processing method of the same | Physics | 2 | Expired |
| US5298375A | Silver halide color photographic material having reduced magenta color stain | Physics | 2 | Expired |
| US6773875B2 | Silver halide color photographic light-sensitive material, pyrrolotriazole compound, and dye-forming compound | Physics | 1 | Expired |
| US7009048B2 | Dye-forming coupler, silver halide photographic light-sensitive material, and method for producing an azomethine dye | Physics | 1 | Expired |
| US7687229B2 | Silver halide color photographic light-sensitive material and image forming method | Physics | 0 | Active |
| US7611829B2 | Silver halide color photographic light-sensitive material and color image-forming method | Physics | 0 | Expired |
| US7732124B2 | Silver halide color photographic light-sensitive material and color image-forming method | Physics | 0 | Active |
| US6649771B2 | Silver halide color photographic light-sensitive material, pyrrolotriazole compound and dye-forming compound | Physics | 0 | Expired |
| US6921631B1 | Silver halide color photographic material and method of forming color image | Physics | 0 | Expired |
| US6479229B2 | Silver halide color photographic material and development processing method of the same | Physics | 0 | Expired |
| US7175976B2 | Silver halide photographic light-sensitive material | Physics | 0 | Expired |
| US7196194B2 | Dye-forming coupler, silver halide photographic light-sensitive material and azomethine dye compound | Physics | 0 | Expired |
| US6803181B2 | Dye-forming coupler, silver halide photographic light-sensitive material, and method for producing an azomethine dye | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.