Masakazu Egawa
47Patents
11h-index
12Co-inventors
68Inventor score
Filing activity: Aug 12, 2005 → Jun 16, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7674914B2 | Anthracene derivative, and light emitting element, light emitting device, electronic device using anthracene derivative | Electricity | 29 | Active |
| US8039122B2 | Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic device | Emerging Cross-Sectional Technologies | 28 | Active |
| US7931974B2 | Quinoxaline derivative, and light-emitting device, electronic device using the quinoxaline derivative | Emerging Cross-Sectional Technologies | 23 | Active |
| US7807839B2 | Organometallic complex, and light-emitting element and light-emitting device using the same | Electricity | 23 | Active |
| US7838128B2 | Carbazole derivative, and light emitting element material, light emitting element, and electronic appliance obtained using the same | Electricity | 22 | Active |
| US8252433B2 | Quinoxaline derivative, and light-emitting device, electronic device using the quinoxaline derivative | Emerging Cross-Sectional Technologies | 21 | Active |
| US8298687B2 | Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic device | Emerging Cross-Sectional Technologies | 20 | Active |
| US7842945B2 | Anthracene derivative, and light-emitting element, light-emitting device, electronic device using anthracene derivative | Electricity | 15 | Active |
| US7901792B2 | Quinoxaline derivative, and light emitting element, light emitting device, and electronic appliance using the same | Emerging Cross-Sectional Technologies | 13 | Active |
| US7880019B2 | Anthracene derivative, and light emitting element, light emitting device, and electronic device using the anthracene derivative | Chemistry; Metallurgy | 11 | Active |
| US7696348B2 | Quinoxaline derivative, and light-emitting element, light-emitting device, electronic device using the quinoxaline derivative | Electricity | 11 | Active |
| US7476745B2 | Stilbene derivatives, light-emitting element and light-emitting device | Chemistry; Metallurgy | 11 | Active |
| US8183793B2 | Method for synthesizing anthracene derivative and anthracene derivative, light emitting element, light emitting device, electronic device | Electricity | 10 | Active |
| US8008489B2 | Quinoxaline derivative, and light-emitting element, light-emitting device, electronic device using the quinoxaline derivative | Electricity | 9 | Active |
| US8603647B2 | Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic device | Emerging Cross-Sectional Technologies | 9 | Active |
| US8471017B2 | Quinoxaline derivative, and light-emitting element, light-emitting device, electronic device using the quinoxaline derivative | Electricity | 7 | Active |
| US7898171B2 | Stilbene derivatives, light-emitting element and light-emitting device | Chemistry; Metallurgy | 6 | Active |
| US8703305B2 | Quinoxaline derivative, and light emitting element, light emitting device, and electronic device using the quinoxaline derivative | Emerging Cross-Sectional Technologies | 6 | Active |
| US7758972B2 | Stilbene derivative, light emitting element, light emitting device, and electronic appliance | Emerging Cross-Sectional Technologies | 6 | Active |
| US8106392B2 | Anthracene derivative, and light-emitting element, light-emitting device, electronic device using anthracene derivative | Electricity | 5 | Active |
| US7612204B2 | Quinoxaline derivative, and light-emitting element and light-emitting device using quinoxaline derivative | Emerging Cross-Sectional Technologies | 5 | Active |
| US8283052B2 | Quinoxaline derivative, light-emitting element, light-emitting device, and electronic appliance | Chemistry; Metallurgy | 5 | Active |
| US7732619B2 | Stilbene derivatives, light-emitting element, display device, and electronic device | Electricity | 5 | Active |
| US8110980B2 | Anthracene derivative, and light emitting element, light emitting device, electronic device using anthracene derivative | Electricity | 5 | Active |
| US9048441B2 | Organometallic complex, and light-emitting element and light-emitting device using the same | Electricity | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.