Yosihiko Yamada
3Patents
3h-index
2Co-inventors
33Inventor score
Filing activity: Jan 27, 1993 → Sep 30, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5333579A | Control device for controlling intake and exhaust valves of internal combustion engine | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5494009A | Valve control device for internal combustion engine | Mechanical Engineering; Lighting; Heating | 22 | Expired |
| US5557983A | Device for moving cam relative to its driving shaft | Emerging Cross-Sectional Technologies | 21 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.