Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6789320 | Method of producing a sintered oil retaining bearing | Kazuo Okamura, Makoto Shiranami | 2004-09-14 |
| 6712514 | Hydrodynamic bearing unit | Yoshinobu Akamatsu, Kazuo Okamura | 2004-03-30 |
| 6672767 | Dynamic bearing device and motor having the same | Kimihiko Hajota, Hironori Itsusaki, Tsugito Nakazeki | 2004-01-06 |