Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11194275 | Fixing device | Youichi Chikugo, Hidekazu Tatezawa, Kenichi Tanaka, Yutaro Tsuno, Mitsuru Hasegawa +4 more | 2021-12-07 |
| 11092917 | Fixing unit | Yutaro Tsuno, Youichi Chikugo, Kenichi Tanaka, Hidekazu Tatezawa | 2021-08-17 |