Tetsuo Tsutsui
62Patents
16h-index
34Co-inventors
84Inventor score
Filing activity: Dec 27, 1989 → Jan 21, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5077142A | Electroluminescent devices | Emerging Cross-Sectional Technologies | 153 | Expired |
| US7956349B2 | Organic semiconductor element | Emerging Cross-Sectional Technologies | 89 | Expired |
| US7420203B2 | Organic semiconductor element | Emerging Cross-Sectional Technologies | 67 | Expired |
| US6847163B1 | Self light-emitting device using an inert gas | Electricity | 63 | Expired |
| US6734457B2 | Light emitting device | Emerging Cross-Sectional Technologies | 61 | Expired |
| US6762553B1 | Substrate for light emitting device, light emitting device and process for production of light emitting device | Electricity | 53 | Expired |
| US7473923B2 | Organic semiconductor element | Emerging Cross-Sectional Technologies | 50 | Expired |
| US7291969B2 | Organic electroluminescent device | Emerging Cross-Sectional Technologies | 49 | Expired |
| US6620528B1 | EL display device and a method of manufacturing the same | Emerging Cross-Sectional Technologies | 41 | Expired |
| US5382477A | Organic electroluminescent element and process for producing the same | Emerging Cross-Sectional Technologies | 41 | Expired |
| US7239081B2 | Organic electroluminescent device | Emerging Cross-Sectional Technologies | 37 | Expired |
| US7317282B2 | Self light-emitting device | Electricity | 36 | Expired |
| US5085946A | Electroluminescence device | Emerging Cross-Sectional Technologies | 33 | Expired |
| US5059863A | Organic electroluminescent device | Emerging Cross-Sectional Technologies | 30 | Expired |
| US7985974B2 | Light-emitting element, light-emitting device, lighting device, and electronic device | Electricity | 28 | Active |
| US7956353B2 | Organic semiconductor element | Emerging Cross-Sectional Technologies | 28 | Active |
| US7737437B2 | Light emitting device | Emerging Cross-Sectional Technologies | 15 | Active |
| US7511421B2 | Mixed metal and organic electrode for organic device | Electricity | 15 | Expired |
| US8581266B2 | Light-emitting element, light-emitting device, lighting device, and electronic device | Electricity | 14 | Active |
| US7473575B2 | Light emitting device | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7482626B2 | Light emitting device | Emerging Cross-Sectional Technologies | 13 | Active |
| US5955209A | Thin-film electroluminescent device | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8207540B2 | Light-emitting element, light-emitting device, lighting device, and electronic device | Electricity | 11 | Active |
| US8431940B2 | Light-emitting element, light-emitting device, lighting device, and electronic device | Electricity | 10 | Active |
| US8941096B2 | Organic semiconductor element | Emerging Cross-Sectional Technologies | 10 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.