Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5128209 | Composite gasket material | Yakichi Sakai, Ikuo Yamagiwa | 1992-07-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5128209 | Composite gasket material | Yakichi Sakai, Ikuo Yamagiwa | 1992-07-07 |