Ryukou Hanaya
4Patents
3h-index
5Co-inventors
36Inventor score
Filing activity: Jun 13, 2002 → May 26, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6962230B2 | Gas exhaust structure of fuel-cell-powered vehicle | Performing Operations; Transporting | 19 | Expired |
| US7491154B2 | Bicycle simulation system | Human Necessities | 17 | Active |
| US6514136B1 | Hydrogen ventilation duct for fuel-cell-powered vehicle | Performing Operations; Transporting | 12 | Expired |
| US7806810B2 | Bicycle simulation system | Human Necessities | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.