Ippei Yamaji
1Patents
1h-index
1Co-inventors
22Inventor score
Filing activity: Dec 28, 1999 → Dec 28, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6367207B1 | Friction resistance generator | Mechanical Engineering; Lighting; Heating | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.