Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4956011 | Iron-silicon alloy powder magnetic cores and method of manufacturing the same | Tokuhiko Nishida | 1990-09-11 |
| 4830090 | Method of continuously casting lead-bearing steel | Hidemaro Takeuchi, Shogo Matsumura, Harumi Tsuboi | 1989-05-16 |