Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12161045 | Pyrromethene boron complex, light emitting element using same, display device, lighting device, color conversion composition, color conversion film, color conversion substrate, light source unit and display | Daisaku Tanaka, Tsubasa Okano | 2024-12-03 |
| 11957020 | Light-emitting device, display and color conversion substrate | Daisaku Tanaka, Masahito Nishiyama, Keizo Udagawa, Yuka Tatematsu | 2024-04-09 |
| 11149196 | Pyrromethene-boron complex, color-changing composition, color-changing film, light source unit including same, display, and lighting | Masaaki Umehara, Hirotoshi Sakaino, Daisaku Tanaka | 2021-10-19 |
| 10907094 | Pyrromethene-boron complex, color conversion composition, color conversion film, light source unit, display, and illumination apparatus | Kazuki Kobayashi | 2021-02-02 |
| 10836959 | Pyrromethene-boron complex, color-changing composition, color-changing film, light source unit including same, display, and lighting | Masaaki Umehara, Hirotoshi Sakaino, Daisaku Tanaka | 2020-11-17 |
| 9935273 | Fluoranthene derivative, light-emitting device material containing same, and light-emitting device | Tsuyoshi Tominaga, Daisaku Tanaka, Takeshi Ikeda, Takeshi Arai, Atsushi Ikeda | 2018-04-03 |
| 8502201 | Light-emitting element | Kazumasa Nagao, Takeshi Arai, Takeshi Ikeda, Tsuyoshi Tominaga, Daisaku Tanaka +1 more | 2013-08-06 |