Hajime Takagawa
7Patents
1h-index
21Co-inventors
47Inventor score
Filing activity: Feb 7, 2008 → Dec 21, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8209980B2 | Cylinder head of internal-combustion engine | Emerging Cross-Sectional Technologies | 7 | Active |
| US9964066B2 | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9611811B2 | Control device for cooling system | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10487731B2 | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10233825B2 | Internal combustion engine | Emerging Cross-Sectional Technologies | 0 | Active |
| US11225929B2 | Internal combustion engine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10954883B2 | Water jacket structure | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.