Keishi Takada
25Patents
3h-index
34Co-inventors
59Inventor score
Filing activity: Apr 29, 2010 → Jan 14, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10794250B2 | Electrochemical reactor and internal combustion engine provided with electrochemical reactor | Emerging Cross-Sectional Technologies | 4 | Active |
| US9822683B2 | Exhaust gas purification system for internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Active |
| US10125647B2 | Exhaust gas purification apparatus for an internal combustion engine | Emerging Cross-Sectional Technologies | 3 | Active |
| US9551261B2 | Urea water supply system | Emerging Cross-Sectional Technologies | 2 | Active |
| US8161737B2 | Apparatus for and method of purifying exhaust gas | Emerging Cross-Sectional Technologies | 2 | Active |
| US10502106B1 | Electrochemical reactor | Emerging Cross-Sectional Technologies | 2 | Active |
| US9464554B2 | Exhaust gas purification system for internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US10914213B2 | Control device for internal combustion engine and control method for internal combustion engine | Emerging Cross-Sectional Technologies | 1 | Active |
| US9512769B2 | Urea water supply system | Emerging Cross-Sectional Technologies | 1 | Active |
| US11325068B2 | Exhaust purification system of internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US11325067B2 | Electrochemical reactor | General | 0 | Revoked |
| US11358095B2 | Electrochemical reactor | Performing Operations; Transporting | 0 | Active |
| US11274585B2 | Exhaust purification system of internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US10731531B2 | Internal combustion engine provided with electrochemical reactor and vehicle mounting internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US9238985B2 | Exhaust gas purification apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US10655519B2 | Vehicle | Emerging Cross-Sectional Technologies | 0 | Active |
| US9662612B2 | Exhaust gas purification apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US10626778B2 | Vehicle and control method for vehicle | Emerging Cross-Sectional Technologies | 0 | Active |
| US10641150B2 | Exhaust purification system of an internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US10900403B2 | Abnormality diagnosis apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US9593610B2 | Exhaust gas purification system for internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US10907523B2 | Abnormality diagnosis apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US10337376B2 | Exhaust gas purification system for an internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US9482133B2 | Exhaust emission control system of internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US11285436B2 | Exhaust purification system of internal combustion engine | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.