Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Toshihiro Ise +1 more | 2023-12-12 |
| 11832508 | Organic electroluminescence device | Hiroo Takizawa, Eiji Fukuzaki | 2023-11-28 |
| 11700769 | Organic electroluminescent element, compound, and light emitting device, display device and lighting system, using said element | Toshihiro Ise | 2023-07-11 |
| 10720586 | Organic electroluminescent device; a charge transporting material for the organic electroluminescent device; and a luminescent device, a display device and a lighting system using the organic electroluminescent device | Yosuke Yamamoto, Kousuke Watanabe, Yuichiro Itai | 2020-07-21 |
| 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 |
| 10403832 | Organic electroluminescence device | Hiroo Takizawa, Eiji Fukuzaki | 2019-09-03 |
| 10326084 | Organic electroluminescent element, compound, and light emitting device, display device and lighting system, using said element | Toshihiro Ise | 2019-06-18 |
| 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 | Yasunori Yonekuta, Toshihiro Ise, Tetsu Kitamura, Toru Watanabe, Wataru Sotoyama +2 more | 2018-04-24 |
| 9887371 | Organic electroluminescent device; a charge transporting material for the organic electroluminescent device; and a luminescent device, a display device and a lighting system using the organic electroluminescent device | Yosuke Yamamoto, Kousuke Watanabe, Yuichiro Itai | 2018-02-06 |
| 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 | Koji Takaku, Tetsu Kitamura, Toshihiro Ise, Wataru Sotoyama | 2017-11-21 |
| 9691988 | Organic electroluminescent element, light-emitting material for organic electroluminescent element, and light-emitting device, display device, and illumination device using said element | Yosuke Yamamoto, Toshihiro Ise, Tetsu Kitamura, Toru Watanabe, Wataru Sotoyama +2 more | 2017-06-27 |
| 9647214 | Organic electroluminescent element, compound for organic electroluminescent element, and light-emitting device, display device, and illumination device using said element | Koji Takaku, Yasunori Yonekuta, Toshihiro Ise | 2017-05-09 |
| 9627623 | Organic electroluminescent element, compound, and light emitting device, display device and lighting device each using organic electroluminescent element | Koji Takaku, Yasunori Yonekuta, Toshihiro Ise | 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, Toshihiro Ise | 2017-04-11 |
| 9397303 | Organic electroluminescent element, material for said element, and light-emitting device, display device, and illumination device using said element | Koji Takaku, Tetsu Kitamura, Toshihiro Ise, Wataru Sotoyama | 2016-07-19 |
| 9306176 | Organic electroluminescent device; a charge transporting material for the organic electroluminescent device; and a luminescent device, a display device and a lighting system using the organic electroluminescent device | Yosuke Yamamoto, Kousuke Watanabe, Yuichiro Itai | 2016-04-05 |
| 9287507 | Organic electroluminescent element, compounds and materials used for the organic electroluminescent element, and light-emitting, display and illuminating devices using the elements | Kousuke Watanabe, Koji Takaku, Wataru Toyama, Toshihiro Ise, Masaru Kinoshita | 2016-03-15 |
| 9193747 | Organic electroluminescent device | Kazunari Yagi, Takeshi Murakami, Eiji Fukuzaki | 2015-11-24 |
| 9048440 | Material for organic electroluminescence device and electroluminescence device | — | 2015-06-02 |
| 9005775 | Composition, film using the composition, charge transport layer, organic electroluminescence device, and method for forming charge transport layer | Naoyuki Hayashi, Ryo Nishio | 2015-04-14 |
| 8945725 | Organic electroluminescence device | Hiroo Takizawa, Eiji Fukuzaki | 2015-02-03 |
| 8679649 | Material for organic electroluminescence device, and organic electroluminescence device | — | 2014-03-25 |
| 8609257 | Organic electroluminescence device | Toshihiro Ise, Tetsu Kitamura, Toru Watanabe | 2013-12-17 |