Keisuke Nagakura
17Patents
3h-index
15Co-inventors
57Inventor score
Filing activity: Dec 12, 2000 → Jan 11, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6547844B2 | Exhaust gas filtration device, auxiliary filtration device and trap device | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6835221B2 | Exhaust gas filtration device and auxiliary filtration device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7812509B2 | Spark plug | Electricity | 3 | Active |
| US8601863B2 | Abnormality determination apparatus and abnormality determination method for multi-cylinder internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US9664166B2 | Control device for internal combustion engine | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10655555B2 | Engine system and method of controlling engine system | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8676477B2 | Rotational fluctuation malfunction detection device and rotational fluctuation malfunction detection method for internal combustion engine | Emerging Cross-Sectional Technologies | 2 | Active |
| US9273592B2 | Hybrid vehicle and method for controlling the same | Emerging Cross-Sectional Technologies | 1 | Active |
| US10436132B2 | Engine system | Emerging Cross-Sectional Technologies | 1 | Active |
| US7690348B2 | Direct-injection spark-ignition internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9982618B2 | Control device for internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10508609B2 | Control device for internal combustion engine using imbalance diagnosis and abnormality determination | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8718865B2 | Abnormality diagnosis apparatus and abnormality diagnosis method for internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US9663103B2 | Vehicle, control apparatus for vehicle, and control method for vehicle | Emerging Cross-Sectional Technologies | 0 | Active |
| US12188424B2 | Removal determination device for particulate matter trapping device of vehicle | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10760535B2 | Control device for internal combustion engine and control method for internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US10982628B2 | Controller for internal combustion engine and control method for internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.