Takehiko Kowatari
37Patents
8h-index
65Co-inventors
74Inventor score
Filing activity: Feb 13, 1996 → Jul 29, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8033714B2 | Fluid mixing apparatus | Emerging Cross-Sectional Technologies | 50 | Active |
| US6543412B2 | Intake air control device and internal combustion engine mounting the same | Emerging Cross-Sectional Technologies | 50 | Expired |
| US7383902B2 | Hybrid car and control apparatus therefor, and hybrid four-wheel-drive car and control apparatus therefor | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5832403A | Air flow measuring apparatus and method thereof | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US6098594A | Electric-control-type throttle apparatus | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6199537A | Method and apparatus for controlling intake air flow rate of an engine and method for controlling output | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6932051B2 | Throttle valve opening and closing device | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US7237639B2 | Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle | Emerging Cross-Sectional Technologies | 8 | Active |
| US5750889A | Air flow rate measuring apparatus and air flow rate measuring method | Physics | 8 | Expired |
| US6912993B2 | Throttle system | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US8104698B2 | Fuel injection valve | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US6334083A | Intake air flow rate measurement apparatus | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7219497B2 | Hybrid car and control method of the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5952571A | Thermal type flow meter | Physics | 7 | Expired |
| US7774126B2 | Electromagnetic fuel injection valve device | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6089208A | Throttle valve opening and closing apparatus for a vehicle, and vehicle internal combustion engine using the apparatus | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7114589B2 | Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6543416B2 | Electric-control-type throttle apparatus | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US8991783B2 | Fuel injection valve for internal combustion engine | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US7703561B2 | Power steering system | Performing Operations; Transporting | 5 | Active |
| US7040439B2 | Hybrid car control apparatus | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6508236B2 | Fuel supply device and internal combustion engine mounting the same | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US7308960B2 | Vehicle drive train unit and vehicle drive train system | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7040283B2 | Throttle valve opening and closing device | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7357123B2 | Electromagnetic actuator, fuel injection valve, method of controlling fuel injection valve, and method of driving the same | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.