Kongo Aoki
15Patents
8h-index
15Co-inventors
69Inventor score
Filing activity: Sep 11, 1980 → Nov 8, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4456218A | Fluid control valve | Mechanical Engineering; Lighting; Heating | 45 | Expired |
| US6035819A | Variable valve timing controller | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US5775279A | Valve timing control device | Mechanical Engineering; Lighting; Heating | 27 | Expired |
| US5759013A | Oil pump apparatus | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5377639A | Variable valve timing system | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5979380A | Valve timing control device | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4580543A | Ventilator for internal combustion engine | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4364301A | Vacuum actuator | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5341777A | Valve operation control system | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5937810A | Valve timing control device | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5275138A | Variable valve timing system in an engine having two cam-shafts | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US6004111A | Oil pump apparatus | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US5826552A | Variable valve timing device | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6247904A | Oil pump apparatus | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US4858716A | Two wheel/four wheel drive change over apparatus for four-wheel drive vehicles | Performing Operations; Transporting | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.