Kenji Ohhara
5Patents
3h-index
8Co-inventors
46Inventor score
Filing activity: Oct 12, 1982 → Jun 22, 2000
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4547823A | Mode changing apparatus | Physics | 19 | Expired |
| US5803221A | Viscous fluid clutch | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US5497868A | Viscous fluid clutch | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US4568989A | Mode changing apparatus for a tape recorder | Physics | 3 | Expired |
| US6336538B1 | Fluid coupling | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.