Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10866354 | Display device and light guiding panel | Shogo Ikeda, Yoshihiko Takagi, Junya Fujita, Shohei Hisaki, Masanori Mori | 2020-12-15 |
| 10775544 | Display device and light guide plate | Yoshimasa Osumi, Masayuki Shinohara, Yoshihiko Takagi, Norikazu Kitamura | 2020-09-15 |
| 10586421 | Display device and game machine | Junya Fujita, Yoshihiko Takagi, Masaaki Hiramatsu | 2020-03-10 |