Shuji Doi
36Patents
12h-index
27Co-inventors
81Inventor score
Filing activity: Nov 3, 1989 → Mar 1, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5317169A | Organic electroluminescence device | Electricity | 187 | Expired |
| US5821002A | Polymeric fluorescent substance, production process thereof and organic electrolumescence device | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5726457A | Organic electroluminescence device | Electricity | 50 | Expired |
| US6444334B1 | Polymeric fluorescent substance and polymer light-emitting device using the same | Chemistry; Metallurgy | 31 | Expired |
| US5759709A | Polymeric fluorescent substance and organic electroluminescence device | Emerging Cross-Sectional Technologies | 29 | Expired |
| US6403236B1 | Polymer light emitting device | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6207301A | Polymer fluorescent substance and organic electroluminescence device | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6521359B1 | Polymeric fluorescent substance and polymer light emitting device | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5589320A | Polymeric fluorescent substance and organic electroluminescence devices using the same | Chemistry; Metallurgy | 21 | Expired |
| US5751389A | Film containing oriented dye, method of manufacturing the same, and polarizer and liquid crystal display unit utilizing the same | Physics | 21 | Expired |
| US6404472B1 | Film containing oriented dye, method of manufacturing the same, and polarizer and liquid crystal display unit utilizing the same | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5424150A | Polymeric solid electrolyte | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6926973B2 | Copolymer, polymer composition and polymer light-emitting device | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5543079A | Polymeric fluorescent substance and organic electroluminescence devices using the same | Chemistry; Metallurgy | 10 | Expired |
| US6905785B2 | Polymeric fluorescent substance, production thereof and polymer light-emitting device | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6830832B2 | Polymer compound and polymer light-emitting device using the same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6984459B1 | Polymeric fluorescent substance and polymer light emitting device | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5980781A | Polymeric fluorescent substance and organic electroluminescence device | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6696180B2 | Polymeric fluorescent substance, production method thereof, and polymer light-emitting device using the same | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8012603B2 | Polymer compound and polymer light-emitting device using the same | Emerging Cross-Sectional Technologies | 7 | Active |
| US7947340B2 | Polymeric light emitting substance and polymer light emitting device using the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7033680B2 | Electroluminescent element | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6133973A | Film containing oriented dye, method of manufacturing the same, and polarizer and liquid crystal display unit utilizing the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US7255936B2 | Polymeric fluorescent substance and polymer light-emitting device using the same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7244515B2 | Polymeric fluorescent substance and polymer light-emitting device using the same | Emerging Cross-Sectional Technologies | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.