Tooru Koyama
22Patents
9h-index
37Co-inventors
71Inventor score
Filing activity: Dec 1, 1995 → May 8, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5593178A | Steering wheel with air bag and horn switch | Performing Operations; Transporting | 36 | Expired |
| US5791682A | Air bag device with air bag and inflation mounting structure | Performing Operations; Transporting | 28 | Expired |
| US6065366A | Steering wheel | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5727811A | Steering wheel with air bag device | Performing Operations; Transporting | 18 | Expired |
| US5921147A | Steering wheel mounting assembly | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5816112A | Steering wheel | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5765865A | Mounting structure for steering wheel | Performing Operations; Transporting | 11 | Expired |
| US5716068A | Steering wheel | Performing Operations; Transporting | 10 | Expired |
| US6386063B1 | Steering wheel | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5871234A | Steering wheel with air bag unit | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7331640B2 | Vehicular brake control apparatus and control method therefor | Performing Operations; Transporting | 8 | Expired |
| US6557364B2 | Air conditioner | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5901615A | Steering wheel for motor vehicles | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5768948A | Steering wheel | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5878629A | Steering wheel assembly | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7909140B2 | Lubricating structure of planetary gear mechanism | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6892607B2 | Steering wheel | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6216556A | Steering wheel | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5957489A | Steering wheel | Performing Operations; Transporting | 5 | Expired |
| US6235227A | Process of manufacturing a steering wheel | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8678521B2 | Vehicular brake control system for vehicle | Performing Operations; Transporting | 1 | Active |
| US5782140A | Steering wheel core metal unit | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.