Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9324951 | Pyrazine derivative, and light emitting element, display device, electronic device using the pyrazine derivative | Masakazu Egawa, Harue Nakashima, Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo | 2016-04-26 |
| 9112170 | Light-emitting element, light-emitting device, and electronic device | Nobuharu Ohsawa, Satoshi Seo | 2015-08-18 |
| 9048436 | Oxadiazole derivative, and light emitting element, light emitting device, and electronic device using the oxadiazole derivative | Harue Nakashima, Sachiko Kawakami, Nobuharu Ohsawa, Ryoji Nomura, Satoshi Seo | 2015-06-02 |
| 8920941 | Pyrazine derivative, and light emitting element, display device, electronic device using the pyrazine derivative | Masakazu Egawa, Harue Nakashima, Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo | 2014-12-30 |
| 8686159 | Oxadiazole derivative, and light emitting element, light emitting device, and electronic device using the oxadiazole derivative | Harue Nakashima, Sachiko Kawakami, Nobuharu Ohsawa, Ryoji Nomura, Satoshi Seo | 2014-04-01 |
| 8389735 | Oxadiazole derivative, and light emitting element, light emitting device, and electronic device using the oxadiazole derivative | Harue Nakashima, Sachiko Kawakami, Nobuharu Ohsawa, Ryoji Nomura, Satoshi Seo | 2013-03-05 |