Takao Kawasaki
28Patents
9h-index
35Co-inventors
75Inventor score
Filing activity: Apr 23, 1981 → Apr 28, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6318083A | Intake air control device of an engine with a charger and method thereof | Emerging Cross-Sectional Technologies | 72 | Expired |
| US4363007A | Noise reduction system having series connected low and high frequency emphasis and de-emphasis filters | Electricity | 68 | Expired |
| US6390063B1 | Intake-air quantity control apparatus for internal combustion engine with variable valve timing system | Emerging Cross-Sectional Technologies | 57 | Expired |
| US6827051B2 | Internal EGR quantity estimation, cylinder intake air quantity calculation, valve timing control, and ignition timing control | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5948127A | Cyclone dust collector | Performing Operations; Transporting | 16 | Expired |
| US5655507A | Evaporated fuel purge device for engine | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US6502546B2 | Intake air control system of engine | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6189512A | Variable valve timing engine | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6439175B2 | Control apparatus and method for internal combustion engine with variably operated engine valve | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6412458B2 | Valve timing control for engine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5988144A | Engine air-fuel ratio controller | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US8316827B2 | Engine intake quantity control apparatus | Emerging Cross-Sectional Technologies | 7 | Active |
| US5975049A | Idling speed control system of internal combustion engine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6513490B2 | Unthrottled intake air control with partial delay for requested engine response performance | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5126894A | Servo circuit for capstan motor | Physics | 5 | Expired |
| US6513494B2 | System and method of controlling ignition timing in an engine with a variably operated intake valve | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4758520A | Chemiluminescence method for assaying compounds containing primary amino groups using 1-cyano-2-substituted benz(f)- or naphth(f)-isoindole fluorescers | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5276557A | Digital recording/reproducing apparatus | Physics | 3 | Expired |
| US6705293B2 | Control system and method for a multi-cylinder internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Expired |
| US10024312B2 | On-vehicle electronic device and motor-driven compressor | Electricity | 2 | Active |
| US10020707B2 | Motor driven compressor | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US6016787A | Idle rotation speed learning control apparatus and method of engine | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US6003491A | Engine fuel injection controller | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US11828244B2 | Fuel injection control method and device for internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US10434842B2 | In-vehicle inverter device and in-vehicle fluid machine | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.