Noboru Ashikawa
16Patents
8h-index
33Co-inventors
68Inventor score
Filing activity: Jan 6, 1984 → Jul 19, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5662349A | Suspension arm, and process for producing the same | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4589304A | Driving gear interaxle differential assembly for all-wheel-drive vehicles | Performing Operations; Transporting | 21 | Expired |
| US4921065A | Four-wheel drive motor vehicle having a controlled differential device | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5239894A | Shift control system | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5224393A | Electronically controlled transmission and steering wheel located shift mechanism | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5178250A | Roller synchro mechanism | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4716984A | Automotive vehicle power train | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5065836A | Four-wheel drive motor vehicle having a controlled differential device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4977989A | Dog clutch mechanism | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4577721A | Four-wheel drive car | Performing Operations; Transporting | 8 | Expired |
| US4625577A | Multi-speed transmission | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4606243A | Housing for a driving gear for all-wheel-drive vehicles | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5181893A | Transmission for vehicle | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US4618021A | Driving gear for front and rear wheels of automobile | Performing Operations; Transporting | 4 | Expired |
| US4602526A | Transmission/subtransmission mechanism | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4976668A | Final reduction gear unit for an automobile | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.