Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649362 | Permanent magnet member and method of producing same | Mikio Yamamoto, Keitaro Yamashita | 1997-07-22 |
| 5488341 | Permanent magnet member and method of producing same | Mikio Yamamoto, Keitaro Yamashita | 1996-01-30 |