Ryuji Ishikawa
4Patents
3h-index
9Co-inventors
47Inventor score
Filing activity: Apr 5, 1976 → Sep 6, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4139675A | Recording paper with resin-containing recording layer and heat sensitive adhesion layer | Emerging Cross-Sectional Technologies | 17 | Expired |
| US8203245B2 | Motor rotor, having magnet holding projections | Emerging Cross-Sectional Technologies | 5 | Active |
| US7391765B2 | Congestion control system for VoIP network | Electricity | 5 | Expired |
| US8980078B2 | Electrodeposition coating composition | Chemistry; Metallurgy | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.