Naoki Kira
23Patents
7h-index
21Co-inventors
69Inventor score
Filing activity: Jul 26, 1996 → Jun 28, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5836277A | Valve timing control device | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5943989A | Valve timing control device | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US5979380A | Valve timing control device | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5845615A | Valve timing control device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5794577A | Valve timing control device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8814174B2 | Rubber gasket and seal structure using the same | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US5937810A | Valve timing control device | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US7762221B2 | Valve timing control apparatus | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US7765967B2 | Valve timing control apparatus | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US9303535B2 | Oil control valve mounting arrangement | Emerging Cross-Sectional Technologies | 3 | Active |
| US9702280B2 | Blow-by gas recirculation apparatus | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US6173686A | Valve timing control device | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5967104A | Valve timing control device | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5645021A | Valve timing adjusting mechanism for internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7308878B2 | Valve timing control apparatus | Emerging Cross-Sectional Technologies | 1 | Active |
| US9850848B2 | Sensor support structure for camshaft rotation sensor | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9598991B2 | Oil separator | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9856763B2 | Oil supply structure of internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11268876B2 | Apparatus for valve-seat inspection and pressure-resistance inspection for valves, and valve | Physics | 0 | Active |
| US8607816B2 | Structure of solenoid valve attached to resin cover by insert-molding | Emerging Cross-Sectional Technologies | 0 | Active |
| US11162914B2 | Pressure-resistance inspection apparatus for valves and its inspection method, and hydrogen gas detection unit | Physics | 0 | Active |
| US9630128B2 | Oil separator | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9249701B2 | Valve case for oil control valve | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.