Minoru Sakai
81Patents
11h-index
123Co-inventors
81Inventor score
Filing activity: Jun 1, 1981 → Feb 19, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4607619A | Locking mechanism for an endoscope | Human Necessities | 130 | Expired |
| US4653475A | Embryo transferring apparatus adapted for endoscope | Human Necessities | 36 | Expired |
| US6090538A | Heat developable light-sensitive material | Physics | 21 | Expired |
| US6518501B1 | Electronic part and method of assembling the same | Electricity | 19 | Expired |
| US5006453A | Silver halide color photographic material having improved dye image stability | Physics | 17 | Expired |
| US5968725A | Photothermographic photosensitive material | Physics | 16 | Expired |
| US4865963A | Silver halide color photographic materials containing novel magenta coupler | Physics | 16 | Expired |
| US5382496A | Silver halide light-sensitive material and a method for forming image using the same | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5316889A | Silver halide photographic material and photographic image forming method using the same | Physics | 15 | Expired |
| US6203972A | Photothermographic material | Physics | 13 | Expired |
| US6300841A | Atomic oscillator utilizing a high frequency converting circuit and an active, low-integral-number multiplier | Electricity | 12 | Expired |
| US4865957A | Color photographic light-sensitive material comprising a combination of cyan couplers and UV absorbers | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4818675A | Silver halide photographic light sensitive material with improved silver blackness of picture image | Physics | 9 | Expired |
| US5286598A | Silver halide photographic material | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4945031A | Image-forming process comprising bleaching at low pH a material comprising a cyan coupler and hydroquinone | Physics | 8 | Expired |
| US5190850A | Silver halide photographic material | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7676512B2 | Document management server, information terminal apparatus, image forming apparatus, document managing method, and program | Physics | 8 | Active |
| US5447835A | Silver halide photographic material containing hydrazine compounds | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4797349A | Method for forming a color image comprising developing a light sensitive material containing a surfactant with a developer not containing benzyl alcohol | Physics | 7 | Expired |
| US6344313B1 | Heat-developable photosensitive material | Physics | 7 | Expired |
| US6376166B1 | Heat-developable photosensitive material | Physics | 7 | Expired |
| US4366226A | Color photographic sensitive material with sulfonamidophenol scavenger | Physics | 6 | Expired |
| US5994040A | Processing composition for silver halide photographic light-sensitive material, developer and processing method using the same | Physics | 6 | Expired |
| US6395466B1 | Heat-developable image recording material | Physics | 6 | Expired |
| US6812800B2 | Atomic oscillator | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.