Tetsuro Kojima
78Patents
11h-index
71Co-inventors
81Inventor score
Filing activity: Oct 8, 1980 → Nov 19, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4933265A | Process for forming direct positive color image | Physics | 52 | Expired |
| US4968596A | Method for forming a direct positive image | Emerging Cross-Sectional Technologies | 49 | Expired |
| US5037726A | Method for forming a direct positive image from a material comprising a nucleation accelerator | Emerging Cross-Sectional Technologies | 47 | Expired |
| US4455368A | Silver halide photographic light-sensitive material containing a UV absorbing polymer latex | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4464462A | Silver halide photographic light-sensitive material | Emerging Cross-Sectional Technologies | 17 | Expired |
| US4740454A | Silver halide photographic material | Physics | 16 | Expired |
| US5401621A | Method of fixing and bleach-fixing a silver halide photographic material using mesoionic compounds | Physics | 16 | Expired |
| US6153370A | Silver halide emulsion and silver halide light-sensitive material using the same | Physics | 15 | Expired |
| US4443534A | Silver halide photographic elements containing polymers which filter UV light | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4360589A | Color photographic light-sensitive materials | Physics | 12 | Expired |
| US5298373A | Process and composition for fixing black-and-white silver halide photographic materials | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5238807A | Silver halide photographic material | Physics | 11 | Expired |
| US5273874A | Silver halide photographic material | Physics | 10 | Expired |
| US5236821A | Silver halide photographic material which contains a selenium sensitizer | Physics | 10 | Expired |
| US5215880A | Silver halide photographic light-sensitive material containing tellurium compound | Physics | 10 | Expired |
| US5338648A | Process of processing silver halide photographic material and photographic processing composition having a fixing ability | Physics | 10 | Expired |
| US4431726A | Silver halide photographic light-sensitive element containing a u.v. absorbing layer | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5082763A | Heat developable photosensitive material | Physics | 9 | Expired |
| US5028522A | Silver halide photographic material | Physics | 9 | Expired |
| US6001543A | Silver halide color photographic light-sensitive material and method for forming image | Physics | 9 | Expired |
| US4464463A | Silver halide color photographic light-sensitive material | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5415983A | Method for processing a silver halide photographic material | Physics | 9 | Expired |
| US4615970A | Silver halide photographic material | Physics | 9 | Expired |
| US4791049A | Silver halide photographic material containing a compound having an oxidation-reduction moiety and timing group | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4675276A | Silver halide photographic material | Physics | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.