Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844483 | Floating seal device | Katsuhiko Iijima, Yasumi Shiraishi, Youichi Ogata | 1989-07-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4844483 | Floating seal device | Katsuhiko Iijima, Yasumi Shiraishi, Youichi Ogata | 1989-07-04 |