Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11563178 | Organic electroluminescent element, compound for use in the element, and light emitting device, display device, and illumination device using the element | Koji Takaku, Yasunori Yonekuta, Wataru Sotoyama, Yuki HIRAI, Tetsu Kitamura +2 more | 2023-01-24 |
| 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, Toshihiro Ise, Tetsu Kitamura, Toru Watanabe +2 more | 2018-04-24 |
| 9705095 | Organic transistor, compound, organic semiconductor material for non-light-emitting organic semiconductor device, material for organic transistor, coating solution for non-light-emitting organic semiconductor device, and organic semiconductor film for non-light-emitting organic semiconductor device | Yuki HIRAI, Kensuke MASUI | 2017-07-11 |
| 9705096 | Organic transistor, compound, organic semiconductor material for non-light-emitting organic semiconductor device, material for organic transistor, coating solution for non-light-emitting organic semiconductor device, organic semiconductor film for non-light-emitting organic semiconductor device, and method for manufacturing organic semiconductor film for non-light emitting organic semiconductor device | Yuki HIRAI, Kensuke MASUI | 2017-07-11 |
| 9412963 | Organic electroluminescent element, material for organic electroluminescent element, and light emitting device, display device and illumination device each using the element | Koji Takaku, Yasunori Yonekuta, Wataru Sotoyama, Tianhua Ouyang, Tetsu Kitamura +1 more | 2016-08-09 |
| 7722784 | Liquid crystal composition, liquid crystal device, reflection display material, light modulating material, and anthraquinone compound | Koji Takaku | 2010-05-25 |