Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9057443 | Metal seal | — | 2015-06-16 |
| 8814175 | Metal seal | — | 2014-08-26 |
| 8662504 | Tight-seal construction | Takahiro Kariya | 2014-03-04 |
| 8628094 | Metal seal | Takahiro Kariya | 2014-01-14 |