Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047677 | Aluminum disk motor having thermal compensation and magnetic sealing | Koichi Katakura | 1991-09-10 |
| 5027026 | Brushless motor | Kimio Kitajima, Kunio Shimazu | 1991-06-25 |