Yohei Hama
11Patents
3h-index
5Co-inventors
49Inventor score
Filing activity: Mar 4, 2003 → Oct 22, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6949860B2 | Electric motor | Electricity | 22 | Expired |
| US6745865B2 | Electric motor apparatus | Electricity | 6 | Expired |
| US9459165B2 | Sensor unit, torque detector, and electric power steering device | Electricity | 3 | Active |
| US6799655B2 | Electric power steering apparatus | Electricity | 3 | Expired |
| US8726530B2 | Relative angle sensing device and electric power steering apparatus | Electricity | 3 | Active |
| US6933637B2 | Electric motor | Electricity | 1 | Expired |
| US8578616B2 | Relative angle sensing device and electric power steering apparatus | Physics | 1 | Active |
| US6924578B2 | Electric motor | Electricity | 1 | Expired |
| US8901922B2 | Relative angle sensing device | Physics | 1 | Active |
| US6946770B2 | Electric motor | Electricity | 0 | Expired |
| US8896296B2 | Relative angle sensing device with a hinged cable harness component | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.