Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7083171 | Metal seal and attachment method for the same and tight-seal construction | Hironori Oida, Tetsuya Ashida | 2006-08-01 |
| 7004479 | Metal seal and attachment method for the same and tight-seal construction | Hironori Oida, Tetsuya Ashida | 2006-02-28 |
| 6357759 | Jacket seal | Yoshio Azuma, Takahiro Kariya | 2002-03-19 |
| 6286839 | Ring seal including a core surrounded by a metal jacket | Takahiro Kariya | 2001-09-11 |