Tsuyoshi Yoshimura
20Patents
11h-index
28Co-inventors
75Inventor score
Filing activity: Jan 10, 1986 → May 25, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5016114A | Digital copier apparatus with external laser card storage medium and image compression variable with available memory | Electricity | 54 | Expired |
| US4991546A | Cooling device for boat engine | Emerging Cross-Sectional Technologies | 47 | Expired |
| US5105284A | Digital copier operable with external storing medium | Electricity | 41 | Expired |
| US4831822A | Exhaust system for marine engine | Mechanical Engineering; Lighting; Heating | 25 | Expired |
| US4796963A | Scanning apparatus using a rotary polygon mirror | Physics | 21 | Expired |
| US4717965A | Portable image forming device | Electricity | 18 | Expired |
| US4924724A | Shift assisting device | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5166739A | Sheet discharging device for image forming equipment | Electricity | 17 | Expired |
| US4987497A | Image editing method for a digital copier | Electricity | 14 | Expired |
| US4953036A | Digital copier having switchable pixel densities | Physics | 12 | Expired |
| US4938723A | Fabricated elastic coupling for use in inboard/outboard engine | Performing Operations; Transporting | 12 | Expired |
| US4996561A | Image forming apparatus with a document image edition function | Physics | 11 | Expired |
| US5340341A | Power assisting mechanism for marine propulsion unit | Performing Operations; Transporting | 10 | Expired |
| US4740844A | Method of changing magnification of image | Electricity | 9 | Expired |
| US5250939A | Drive apparatus for optical element array | Physics | 7 | Expired |
| US4927390A | Gas exhaustion device for inboard/outboard engine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4955837A | Cooling water feed structure for inboard/outboard engine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US8058923B2 | Charge pump circuit and slice level control circuit | Physics | 2 | Active |
| US4685795A | Document scanning apparatus | Physics | 2 | Expired |
| US8063690B2 | Level shift circuit | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.