Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5675199 | Bearing device with a primary and secondary magnetic fluid sealing mechanism | Toshihiko Miyakoshi, Tamotsu Nose | 1997-10-07 |
| 5628569 | Fluid bearing unit and manufactured method thereof | Masamichi Hayakawa, Masato Gomyo, Toshihiko Miyakoshi | 1997-05-13 |