Toru Yagi
17Patents
8h-index
20Co-inventors
72Inventor score
Filing activity: Feb 22, 1977 → Jan 17, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7248928B2 | Artificial eye system | Human Necessities | 32 | Expired |
| US4889085A | Valve operating device for internal combustion engine | Mechanical Engineering; Lighting; Heating | 23 | Expired |
| US4917056A | Valve operation control system in internal combustion engine | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US4817444A | Torque sensor | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4934348A | Valve operation control system of internal combustion engine | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US4899597A | Torque sensor | Physics | 13 | Expired |
| US4885944A | Torque sensor | Physics | 11 | Expired |
| US4870930A | Engine valve control apparatus | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7337008B2 | Visual restoration aiding device | Human Necessities | 7 | Expired |
| US4094292A | Hot starter system for engines | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4962672A | Torque sensor | Physics | 6 | Expired |
| US4908932A | Method of manufacturing a torque sensor | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7864144B2 | Light emission control device, display device, drive control device, and control device | Physics | 2 | Active |
| US8085227B2 | Control device, illumination device, and display device | Physics | 2 | Active |
| US7113828B2 | Visual restoration aiding device | Human Necessities | 1 | Expired |
| USRE30599E | Ignition timing control for engine | General | 0 | Expired |
| US4133324A | Ignition timing control for engine | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.