Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266129 | Process for production of oriented electrical steel sheet having excellent magnetic properties | Yasumitsu Kondo, Maremizu Ishibashi | 1993-11-30 |
| 4979996 | Process for preparation of grain-oriented electrical steel sheet comprising a nitriding treatment | Hisashi Kobayashi, Katsuro Kuroki, Kenichi Yakashiro | 1990-12-25 |