Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11261970 | Sealing device | — | 2022-03-01 |
| 11187325 | Sealing device | Shuji Yoshitsune | 2021-11-30 |
| 10344865 | Sealing device | Makoto Hatano, Shuji Yoshitsune | 2019-07-09 |
| 10107401 | Sealing structure | Hiroaki Monma, Mitsuo Watanabe, Shuji Yoshitsune | 2018-10-23 |