Hiroshi Urabe
13Patents
7h-index
23Co-inventors
66Inventor score
Filing activity: Aug 15, 1985 → Jan 23, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4734488A | Polycarbonate and optical disc substrate | Chemistry; Metallurgy | 19 | Expired |
| US7247666B2 | Flame retardant resin composition | Chemistry; Metallurgy | 13 | Expired |
| US4956256A | Photosensitive member for electrophotography | Physics | 13 | Expired |
| US4680374A | Optical disc substrate made of a copolycarbonate | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6265081A | Integrally molded articles of polyamide resins | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4748151A | Heat transfer recording sheet | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5853831A | Vibration welded hollow moldings of polyamide resin composition | Emerging Cross-Sectional Technologies | 9 | Expired |
| US4775739A | Process for producing polycarbonate resin with tertiary alryl phenol molecular weight modifier | Chemistry; Metallurgy | 7 | Expired |
| US4794158A | Transparent copolyamide from bis(3-methyl-4-amino-cyclohexyl)methane | Chemistry; Metallurgy | 5 | Expired |
| US6313209A | Polyamide resin composition and film produced from the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6855755B1 | Polyamide resin composition having improved weathering resistance and its molded products | Chemistry; Metallurgy | 4 | Expired |
| US6740275B2 | Flame-retardant polyamide-based protective sheet | Emerging Cross-Sectional Technologies | 1 | Expired |
| US9043123B2 | Engine restart control device | Performing Operations; Transporting | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.