Kenji Niijima
3Patents
3h-index
8Co-inventors
43Inventor score
Filing activity: Jan 13, 1978 → May 27, 1988
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4195649A | Tobacco smoke filter | Human Necessities | 23 | Expired |
| US4339021A | Carbon fiber reinforced carbon friction element and method of making | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4861809A | Friction material | Mechanical Engineering; Lighting; Heating | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.