Sumio Ema
3Patents
3h-index
2Co-inventors
36Inventor score
Filing activity: Aug 7, 1980 → Mar 27, 1989
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4975849A | Suspension controller for vehicle | Performing Operations; Transporting | 110 | Expired |
| US4462610A | Vehicle height adjusting apparatus | Emerging Cross-Sectional Technologies | 35 | Expired |
| US4354693A | Vehicle height adjusting device | Emerging Cross-Sectional Technologies | 19 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.