Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5269855 | Permanent magnet alloy having improved resistance | Toshio Ueda, Yuichi Sato, Seiichi Hisano | 1993-12-14 |
| 5183630 | Process for production of permanent magnet alloy having improved resistence to oxidation | Toshio Ueda, Yuichi Sato, Masayasu Senda, Seiichi Hisano | 1993-02-02 |
| 5147473 | Permanent magnet alloy having improved resistance to oxidation and process for production thereof | Toshio Ueda, Yuichi Sato, Masayasu Senda, Seiichi Hisano | 1992-09-15 |
| 4411807 | Dry process for the production of hexagonal-system ferrite | Yasuo Watanabe, Masahiko Bannou | 1983-10-25 |