Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40348 | Arc segment magnet, ring magnet and method for producing such magnets | Hisato Tokoro, Kimio Uchida, Kazuo Oda | 2008-06-03 |
| 6312494 | Arc segment magnet, ring magnet and method for producing such magnets | Hisato Tokoro, Kimio Uchida, Kazuo Oda | 2001-11-06 |