Hiroshi Eda
41Patents
12h-index
52Co-inventors
84Inventor score
Filing activity: Sep 5, 1984 → Mar 25, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6044723A | Electric power assisting steering apparatus | Emerging Cross-Sectional Technologies | 64 | Expired |
| US4572316A | Four-wheel steering system for vehicle | Performing Operations; Transporting | 31 | Expired |
| US5685390A | Electrically-operated power steering apparatus | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5508921A | Four wheel steering apparatus | Performing Operations; Transporting | 25 | Expired |
| US4621702A | Four-wheel steering apparatus of a vehicle | Performing Operations; Transporting | 21 | Expired |
| US7183681B2 | Electric power steering apparatus | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US4730687A | Steering force control device for power steering system | Performing Operations; Transporting | 19 | Expired |
| US7188700B2 | Electric power steering apparatus | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5445237A | Electric power steering apparatus | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5732790A | Electric power steering apparatus | Performing Operations; Transporting | 18 | Expired |
| US7284634B2 | Electric power steering apparatus | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6702060B2 | Electric power steering apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7077235B2 | Electric power steering device | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5982054A | Magnetostrictive device | Electricity | 11 | Expired |
| US4610328A | Four-wheel steering system for vehicle | Performing Operations; Transporting | 10 | Expired |
| US7219761B2 | Motor-operated power steering apparatus | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US4646867A | Four-wheel steering system for vehicle | Performing Operations; Transporting | 9 | Expired |
| US4732231A | Vehicle four wheel steering system | Performing Operations; Transporting | 9 | Expired |
| US7997953B2 | Precision machining method | Performing Operations; Transporting | 7 | Active |
| US6851508B2 | Motor-operated power steering device | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US4874183A | Four-wheel steering apparatus of a vehicle | Performing Operations; Transporting | 7 | Expired |
| US5248009A | Vehicle rear wheels steering apparatus | Performing Operations; Transporting | 7 | Expired |
| US5147009A | Steering force control apparatus of power steering system | Performing Operations; Transporting | 6 | Expired |
| US5236057A | Rear wheel steering apparatus for vehicle | Performing Operations; Transporting | 5 | Expired |
| US6662897B2 | Electric power steering apparatus | Performing Operations; Transporting | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.