Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11150517 | Optical element, light guide element, and image display device | Hiroshi Sato, Yukito Saitoh, Daisuke Kashiwagi | 2021-10-19 |
| 11029557 | Optical laminate film and organic electroluminescent display device | Shinichi Yoshinari, Naoya Shibata, Kunihiro Atsumi, Daisuke Kashiwagi | 2021-06-08 |
| 11001653 | Optical film, polarizing plate, and image display device | Hiroshi Sato, Kengo Saito, Takashi Komiyama, Keita Takahashi | 2021-05-11 |
| 10998528 | Organic EL image display device | Daisuke Kashiwagi, Shinichi Yoshinari, Ryoji GOTO | 2021-05-04 |