Hideki Hagari
58Patents
7h-index
17Co-inventors
69Inventor score
Filing activity: May 14, 2001 → Oct 30, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7441544B2 | Control device for internal combustion engine | Emerging Cross-Sectional Technologies | 38 | Active |
| US8316824B2 | Control apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 20 | Active |
| US7081788B2 | Band pass filter | Electricity | 20 | Expired |
| US7305967B1 | Control apparatus for an internal combustion engine | Emerging Cross-Sectional Technologies | 17 | Active |
| US6644273B1 | Internal combustion engine control apparatus | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US7171960B1 | Control apparatus for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US6988483B1 | Control apparatus for an internal combustion engine | Physics | 7 | Expired |
| US9938921B2 | Controller and control method for internal combustion engine | Emerging Cross-Sectional Technologies | 6 | Active |
| US8635005B2 | Control device of internal combustion engine | Emerging Cross-Sectional Technologies | 5 | Active |
| US8392094B2 | Control apparatus for an internal combustion engine | Emerging Cross-Sectional Technologies | 5 | Active |
| US9228519B2 | Estimation device for cylinder intake air amount in an internal combustion engine | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8731799B2 | Pre-ignition estimation/control device for an internal combustion engine | Emerging Cross-Sectional Technologies | 4 | Active |
| US7853400B2 | Control apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 4 | Active |
| US7788022B2 | Control apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 4 | Active |
| US9261031B2 | Control device for internal combustion engine and method for controlling internal combustion engine | Emerging Cross-Sectional Technologies | 4 | Active |
| US9605608B2 | Apparatus for controlling internal combustion engine having turbocharger | Emerging Cross-Sectional Technologies | 3 | Active |
| US6776033B2 | Apparatus for identification of cylinders in an internal combustion engine | Physics | 3 | Expired |
| US9964027B2 | Controller for supercharger-equipped internal combustion engine and control method thereof | Emerging Cross-Sectional Technologies | 3 | Active |
| US9494489B2 | Internal combustion engine inner-cylinder pressure estimation apparatus | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US6889540B2 | Crank angle detecting device for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US9903290B2 | Controller and control method for internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US10156212B2 | Controller and control method for internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US9638119B2 | Control apparatus and control method for an internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US10215111B2 | Controller and control method for internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8949006B2 | Knock control apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.