Yukihide Hashiguchi
12Patents
7h-index
11Co-inventors
63Inventor score
Filing activity: Jun 18, 1974 → Aug 9, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3974861A | Air flow direction control valves | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5245866A | Device for detecting occurrence of misfiring in multicylinder engine | Physics | 23 | Expired |
| US3965677A | Misfire detecting apparatus for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US5442955A | Misfire detecting device of multicylinder internal combustion engine | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4027635A | Flow rate control mechanism for use in exhaust gas re-circulating system | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4424705A | Engine knock sensing apparatus | Physics | 7 | Expired |
| US4452069A | Method of and apparatus for sensing knocking in internal combustion engine | Physics | 7 | Expired |
| US3999737A | Flow control valve for exhaust gas purifying system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6851302B2 | Device and method for detecting a misfire state of an engine | Physics | 5 | Expired |
| US4462247A | Knock detecting apparatus for internal combustion engines | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4440014A | Knocking detection device | Physics | 3 | Expired |
| US4492109A | Knocking detection apparatus for an internal combustion engine | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.