Shinichi Ichikawa
22Patents
6h-index
54Co-inventors
72Inventor score
Filing activity: May 31, 1985 → Mar 29, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6045764A | Exhaust gas purifying method and catalyst used therefor | Emerging Cross-Sectional Technologies | 58 | Expired |
| US4659927A | Image transfer apparatus and method | Physics | 25 | Expired |
| US4839029A | Process for removing arsenic from a petroleum fraction | Physics | 14 | Expired |
| US6024929A | Fluorescent lamp with a thin film photocatalyst, and method of creating the same | Human Necessities | 12 | Expired |
| US6001630A | Pharmaceutical compositions of chondroitinase ABC isolated from Proteus vulgaris ATCC 6896 | Physics | 12 | Expired |
| US6593075B1 | Silver halide photographic light-sensitive material | Physics | 6 | Expired |
| US8196574B2 | Nose mask | Human Necessities | 4 | Active |
| US6686139B2 | Silver halide photographic photosensitive material | Physics | 4 | Expired |
| US7435394B2 | Treatment method for decomposing perfluorocompound, decomposing catalyst and treatment apparatus | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6689555B2 | SILVER HALIDE COLOR PHOTOGRAPHIC LIGHT-SENSITIVE MATERIAL AND IMAGE FORMATION METHOD USING THE SAME, SILVER HALIDE EMULSION, REDUCING COMPOUND HAVING GROUP ADSORPTIVE TO SILVER HALIDE AND METHOD FOR PRODUCING THE SAME | Physics | 1 | Expired |
| US6489088B2 | Color diffusion-transfer light-sensitive material | Physics | 1 | Expired |
| US6897013B2 | Silver halide photographic light-sensitive material | Physics | 1 | Expired |
| US10593847B2 | Light emitting device | Electricity | 1 | Active |
| US7941909B2 | Method of fabricating an ultra-small condenser microphone | Emerging Cross-Sectional Technologies | 1 | Active |
| US6004731A | Processing method of silver halide color photographic light-sensitive material and desilvering processing composition | Physics | 1 | Expired |
| US6773876B2 | Silver halide emulsion, production process thereof and novel pyridinium compound | Physics | 0 | Expired |
| US6184386A | Compound for photography | Chemistry; Metallurgy | 0 | Expired |
| US8282721B2 | Coloring composition, thermal transfer recording ink sheet, thermal transfer recording method, color toner, inkjet ink, color filter, and arylidene-pyrazolone dye | Emerging Cross-Sectional Technologies | 0 | Active |
| US8922709B2 | Image capturing device | Electricity | 0 | Active |
| US10001584B2 | Optical film, and polarizing plate and liquid crystal display device that use this optical film | Chemistry; Metallurgy | 0 | Active |
| US7741017B2 | Silver halide color photographic light-sensitive material and image formation method using the same, silver halide emulsion, reducing compound having group adsorptive to silver halide and method for producing the same | Physics | 0 | Active |
| US6696234B2 | Silver halide photosensitive material and isothiazolidine-3-one derivative | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.