Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805972 | Dynamic pressure gas bearing device | Katsuhiko Tanaka, Ikunori Sakatani | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805972 | Dynamic pressure gas bearing device | Katsuhiko Tanaka, Ikunori Sakatani | 1989-02-21 |