Ryuichi Deguchi
10Patents
8h-index
10Co-inventors
65Inventor score
Filing activity: May 23, 1977 → Jan 30, 1995
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5102948A | Polyamide composite material and method for preparing the same | Chemistry; Metallurgy | 129 | Expired |
| US5477836A | Fuel vapor emission control system for an engine | Mechanical Engineering; Lighting; Heating | 101 | Expired |
| US5248720A | Process for preparing a polyamide composite material | Chemistry; Metallurgy | 101 | Expired |
| US5164440A | High rigidity and impact resistance resin composition | Chemistry; Metallurgy | 90 | Expired |
| US4569786A | Electrically conductive thermoplastic resin composition containing metal and carbon fibers | Electricity | 67 | Expired |
| US4300499A | Combustion chamber of an internal combustion engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4271803A | Internal combustion engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4296720A | Combustion chamber of an internal combustion engine | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4731993A | Exhaust apparatus for a V-type internal combustion engine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4152893A | Internal combustion engine secondary air control system | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.