Hidehiko Koyashiki
8Patents
2h-index
7Co-inventors
40Inventor score
Filing activity: Apr 25, 2002 → Dec 11, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6705281B2 | Piston for an internal combustion engine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US7168638B2 | Fuel injection valve | Emerging Cross-Sectional Technologies | 8 | Expired |
| US8201525B2 | Cooling device for engine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US9068485B2 | Engine lubrication control system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9109479B2 | Engine lubrication control system | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9212780B2 | Control valve | Emerging Cross-Sectional Technologies | 0 | Active |
| US9341093B2 | Control valve | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10253661B2 | Relief device for oil pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.