Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5763971 | Superconducting bearing device | Ryoichi Takahata | 1998-06-09 |
| 5270600 | Magnetic drive device | — | 1993-12-14 |
| 5209699 | Magnetic drive device | Shigemi Miki, Hiroshi Ii, Ryuji Sugimoto | 1993-05-11 |