Ryosuke Sato
101Patents
7h-index
108Co-inventors
77Inventor score
Filing activity: May 7, 1975 → Jul 8, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4409323A | Silver halide photographic material | Emerging Cross-Sectional Technologies | 79 | Expired |
| US4451559A | Silver halide photosensitive materials for color photography | Chemistry; Metallurgy | 12 | Expired |
| US4029503A | Diffusible-dye releasing type dyes which couple to form colorless products | Physics | 11 | Expired |
| US8662761B2 | Laser optical system using optical fiber transmission | Electricity | 11 | Active |
| US8079589B2 | Sheet conveying apparatus and image forming apparatus | Performing Operations; Transporting | 10 | Active |
| USD626968S1 | Booster regulator | General | 9 | Expired |
| US10213741B2 | Exhaust gas purification catalyst for internal combustion engine | Emerging Cross-Sectional Technologies | 8 | Active |
| US6845678B2 | Spectacle frame shape measuring apparatus | Performing Operations; Transporting | 7 | Expired |
| US7527680B2 | Projection type video display | Electricity | 7 | Active |
| US4801168A | Device for transferring semiconductor wafers | Emerging Cross-Sectional Technologies | 7 | Expired |
| USD892980S1 | Fluid pressure cylinder with solenoid valve | General | 6 | Active |
| US4772543A | Silver halide photosensitive materials for color photography | Chemistry; Metallurgy | 5 | Expired |
| US4075021A | Photosensitive material for color photography | Physics | 5 | Expired |
| US8494442B2 | Communication apparatus, relay apparatus, wireless communication system, control method of communication apparatus, control method of relay apparatus, and storage medium | Electricity | 5 | Active |
| US4444872A | Method and material for the formation of silver halide color photographic image | Physics | 5 | Expired |
| US4465766A | Silver halide photosensitive materials for color photography | Chemistry; Metallurgy | 4 | Expired |
| US8746997B2 | Recording apparatus and sheet processing method | Performing Operations; Transporting | 4 | Active |
| US8366104B2 | Sheet conveying device and recording apparatus | Performing Operations; Transporting | 4 | Active |
| US9723550B2 | Communication apparatus and communication system | Electricity | 4 | Active |
| US8891823B2 | Apparatus, control method, and storage medium for acquiring and storing position information in association with image data | Electricity | 4 | Active |
| US8538316B2 | Printing apparatus and decurling device | Physics | 4 | Active |
| US4355100A | Silver halide color photographic material | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4554244A | Silver halide photosensitive materials for color photography | Chemistry; Metallurgy | 3 | Expired |
| US8585047B2 | Sheet conveyance apparatus and recording apparatus | Performing Operations; Transporting | 3 | Active |
| US11504626B2 | Seat system and seat experience device | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.