Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8173277 | Quinoxaline derivative, and light-emitting element, light-emitting device, and electronic appliance using the same | Sachiko Kawakami, Nobuharu Ohsawa, Hideko Inoue, Satoshi Seo, Ryoji Nomura | 2012-05-08 |
| 8134148 | Stilbene derivatives, light-emitting element, display device, and electronic device | Harue Osaka, Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura | 2012-03-13 |
| 8110980 | Anthracene derivative, and light emitting element, light emitting device, electronic device using anthracene derivative | Sachiko Kawakami, Harue Osaka, Tsunenori Suzuki, Ryoji Nomura | 2012-02-07 |
| 8106392 | Anthracene derivative, and light-emitting element, light-emitting device, electronic device using anthracene derivative | Harue Nakashima, Sachiko Kawakami, Tsunenori Suzuki, Ryoji Nomura | 2012-01-31 |
| 8039122 | Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic device | Sachiko Kawakami, Nobuharu Ohsawa, Harue Nakashima, Kumi Kojima, Satoshi Seo +1 more | 2011-10-18 |
| 8008489 | Quinoxaline derivative, and light-emitting element, light-emitting device, electronic device using the quinoxaline derivative | Sachiko Kawakami, Harue Nakashima, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura | 2011-08-30 |
| 7951470 | Light emitting element, light emitting device, and lighting system | Atsushi Tokuda | 2011-05-31 |
| 7935854 | Stilbene derivative, light-emitting element, display apparatus, and electronic appliance | — | 2011-05-03 |
| 7931974 | Quinoxaline derivative, and light-emitting device, electronic device using the quinoxaline derivative | Nobuharu Ohsawa | 2011-04-26 |
| 7901792 | Quinoxaline derivative, and light emitting element, light emitting device, and electronic appliance using the same | Sachiko Kawakami, Nobuharu Ohsawa, Hideko Inoue, Satoshi Seo, Ryoji Nomura | 2011-03-08 |
| 7898171 | Stilbene derivatives, light-emitting element and light-emitting device | Harue Nakashima, Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura | 2011-03-01 |
| 7880019 | Anthracene derivative, and light emitting element, light emitting device, and electronic device using the anthracene derivative | Harue Osaka, Sachiko Kawakami, Satoko Shitagaki | 2011-02-01 |
| 7842945 | Anthracene derivative, and light-emitting element, light-emitting device, electronic device using anthracene derivative | Harue Nakashima, Sachiko Kawakami, Tsunenori Suzuki, Ryoji Nomura | 2010-11-30 |
| 7838128 | Carbazole derivative, and light emitting element material, light emitting element, and electronic appliance obtained using the same | Sachiko Kawakami, Nobuharu Ohsawa, Harue Nakashima, Kumi Kojima, Ryoji Nomura | 2010-11-23 |
| 7807839 | Organometallic complex, and light-emitting element and light-emitting device using the same | Hideko Inoue, Satoshi Seo | 2010-10-05 |
| 7758972 | Stilbene derivative, light emitting element, light emitting device, and electronic appliance | Sachiko Kawakami, Nobuharu Ohsawa | 2010-07-20 |
| 7732619 | Stilbene derivatives, light-emitting element, display device, and electronic device | Harue Osaka, Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura | 2010-06-08 |
| 7696348 | Quinoxaline derivative, and light-emitting element, light-emitting device, electronic device using the quinoxaline derivative | Sachiko Kawakami, Harue Nakashima, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura | 2010-04-13 |
| 7674914 | Anthracene derivative, and light emitting element, light emitting device, electronic device using anthracene derivative | Sachiko Kawakami, Harue Osaka, Tsunenori Suzuki, Ryoji Nomura | 2010-03-09 |
| 7638663 | Stilbene derivative, light emitting element material, light emitting element, light emitting device and electronic appliance | Satoshi Seo | 2009-12-29 |
| 7612204 | Quinoxaline derivative, and light-emitting element and light-emitting device using quinoxaline derivative | Atsushi Tokuda | 2009-11-03 |
| 7476745 | Stilbene derivatives, light-emitting element and light-emitting device | Harue Nakashima, Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura | 2009-01-13 |