Tadahisa Naganawa
15Patents
10h-index
18Co-inventors
69Inventor score
Filing activity: Dec 1, 1977 → Dec 4, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5626108A | Abnormality detecting apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5494008A | Valve timing control apparatus for engine | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5529034A | Valve timing control apparatus for engine | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5628286A | Valve timing control apparatus for engine | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5537961A | Valve timing control apparatus for engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5715779A | Abnormality detecting apparatus for internal combustion engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5623896A | Valve timing control apparatus for engine | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5664529A | Valve timing control apparatus with an initializing means | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5678515A | Valve timing control apparatus with a disallowing means | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4525151A | Timing adjustment mechanism in wrapping connector driving device | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5664528A | Valve timing control apparatus with a restricting means | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4736728A | Exhaust gas recirculating system | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4658785A | Method of controlling air-fuel ratio and ignition timing in internal combustion engine and apparatus therefor | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4559915A | Method of controlling air-fuel ratio and ignition timing in internal combustion engine and apparatus therefor | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4166085A | Carburetor | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.