Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689297 | Method of manufacturing magnetic rubber ring | Hideo Mizuta, Yoshihiko Yamaguchi | 2004-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689297 | Method of manufacturing magnetic rubber ring | Hideo Mizuta, Yoshihiko Yamaguchi | 2004-02-10 |