Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5314756 | Permanent magnet of rare-earth-element/transition-metal system having improved corrosion resistance and manufacturing method thereof | — | 1994-05-24 |
| 5275891 | R-TM-B permanent magnet member having improved corrosion resistance and method of producing same | Motoharu Shimizu | 1994-01-04 |