Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10890257 | Sealing device | — | 2021-01-12 |
| 10107401 | Sealing structure | Mitsuo Watanabe, Shuji Yoshitsune, Kota Henmi | 2018-10-23 |
| 9777839 | Sealing device | — | 2017-10-03 |
| 9273655 | Sealing device | Hikaru Tadano, Yosuke Kondo | 2016-03-01 |
| 9080672 | Sealing device | Daisuke Matsumoto | 2015-07-14 |