Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085539 | Seal device | Yuichiro Tokunaga, Hideyuki Inoue, Wataru Kimura, Tetsuya Iguchi, Hidetoshi Kasahara +2 more | 2021-08-10 |
| 11078919 | Seal device | Yuichiro Tokunaga, Hideyuki Inoue, Wataru Kimura, Tetsuya Iguchi, Hidetoshi Kasahara +2 more | 2021-08-03 |