Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675199 | Bearing device with a primary and secondary magnetic fluid sealing mechanism | Toshihiko Miyakoshi, Arihiro Yonezawa | 1997-10-07 |
| 5667308 | Bearing device for use in a motor | Hideki Kanebako | 1997-09-16 |
| 5667309 | Bearing seal system | — | 1997-09-16 |