Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814139 | Permanent magnet having good thermal stability and method for manufacturing same | Masaaki Tokunaga, Hiroshi Kogure, Noriaki Meguro | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814139 | Permanent magnet having good thermal stability and method for manufacturing same | Masaaki Tokunaga, Hiroshi Kogure, Noriaki Meguro | 1989-03-21 |