Issued Patents All Time
Showing 25 most recent of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12426492 | Organic thin film transistor, polymer, composition, organic semiconductor film, and compound | Hiroki Sugiura | 2025-09-23 |
| 12404264 | Organic electric light emitting element, material for said element, and light emitting device, display device, and illumination device employing said element | Koji Takaku, Tetsu Kitamura, Wataru Sotoyama, Yasunori Yonekuta, Toru Watanabe +1 more | 2025-09-02 |
| 11844229 | Electroluminescent element, and light emitting device, display device and lighting device each using organic electroluminescent element | Tetsu Kitamura, Koji Takaku, Wataru Sotoyama, Yasunori Yonekuta, Saki Takada +1 more | 2023-12-12 |
| 11700769 | Organic electroluminescent element, compound, and light emitting device, display device and lighting system, using said element | Saki Takada | 2023-07-11 |
| 11393989 | Organic electroluminescent devices and metal complex compounds | Kazumi Nii, Kousuke Watanabe, Tatsuya Igarashi, Seiji Ichijima | 2022-07-19 |
| 10468607 | Organic electric light emitting element, material for said element, and light emitting device, display device, and illumination device employing said element | Koji Takaku, Tetsu Kitamura, Wataru Sotoyama, Yasunori Yonekuta, Toru Watanabe +1 more | 2019-11-05 |
| 10431749 | Organic electroluminescent element | Kuniyuki Kaminaga | 2019-10-01 |
| 10428268 | Organic electroluminescence element | Tetsu Kitamura, Toru Watanabe | 2019-10-01 |
| 10418186 | Photoelectric conversion element, solar cell and composition | Hirotaka Satou, Kenji SHIROKANE, Katsumi Kobayashi | 2019-09-17 |
| 10396299 | Organic electroluminescent devices and metal complex compounds | Kazumi Nii, Kousuke Watanabe, Tatsuya Igarashi, Seiji Ichijima | 2019-08-27 |
| 10326084 | Organic electroluminescent element, compound, and light emitting device, display device and lighting system, using said element | Saki Takada | 2019-06-18 |
| 10290751 | Radiation detector comprising amorphous selenium | Seiji Yamashita | 2019-05-14 |
| 10243153 | Material for organic electroluminescence device and organic electroluminescence device | — | 2019-03-26 |
| 10153444 | Organic electroluminescent devices and metal complex compounds | Kazumi Nii, Kousuke Watanabe, Tatsuya Igarashi, Seiji Ichijima | 2018-12-11 |
| 9954190 | Organic electric-field light-emitting element, light-emitting material for organic electric-field light-emitting element, and light-emitting device, display device, and illumination device using same element | Saki Takada, Yasunori Yonekuta, Tetsu Kitamura, Toru Watanabe, Wataru Sotoyama +2 more | 2018-04-24 |
| 9907140 | Organic electroluminescent element | Yuichirou Itai | 2018-02-27 |
| 9876175 | Organic electroluminescent element, material for organic electroluminescent element, and light emitting device, display device and lighting device each using organic electroluminscent element | Koji Takaku, Tetsu Kitamura, Toru Watanabe, Yosuke Yamamoto, Kimiatsu Nomura +2 more | 2018-01-23 |
| 9825237 | Organic electroluminescent element, compound for organic electroluminescent element, and light-emitting device, display device, and illumination device using said element | Saki Takada, Koji Takaku, Tetsu Kitamura, Wataru Sotoyama | 2017-11-21 |
| 9728726 | Organic electroluminescent element, material for organic electroluminescent element and light emitting device, display device, and illumination device, each employing organic electroluminescent element | Koji Takaku, Yasunori Yonekuta, Masaru Kinoshita, Wataru Sotoyama, Kuniyuki Kaminaga +1 more | 2017-08-08 |
| 9691988 | Organic electroluminescent element, light-emitting material for organic electroluminescent element, and light-emitting device, display device, and illumination device using said element | Saki Takada, Yosuke Yamamoto, Tetsu Kitamura, Toru Watanabe, Wataru Sotoyama +2 more | 2017-06-27 |
| 9676717 | Organic electroluminescence device | Tetsu Kitamura, Toru Watanabe | 2017-06-13 |
| 9647214 | Organic electroluminescent element, compound for organic electroluminescent element, and light-emitting device, display device, and illumination device using said element | Saki Takada, Koji Takaku, Yasunori Yonekuta | 2017-05-09 |
| 9627623 | Organic electroluminescent element, compound, and light emitting device, display device and lighting device each using organic electroluminescent element | Koji Takaku, Saki Takada, Yasunori Yonekuta | 2017-04-18 |
| 9620720 | Organic electroluminescent element, and light emitting device, display device and lighting device each using organic electroluminescent element | Koji Takaku, Tetsu Kitamura, Yasunori Yonekuta, Saki Takada | 2017-04-11 |
| 9397303 | Organic electroluminescent element, material for said element, and light-emitting device, display device, and illumination device using said element | Saki Takada, Koji Takaku, Tetsu Kitamura, Wataru Sotoyama | 2016-07-19 |