Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6482271 | Grain-oriented electrical steel sheet excellent in magnetic properties | Naoya Hamada | 2002-11-19 |
| 6368424 | Grain-oriented electrical steel sheets having excellent magnetic characteristics, its manufacturing method and its manufacturing device | Naoya Hamada, Katsuhiro Minamida, Kimihiko Sugiyama, Akira Sakaida, Hisashi Mogi | 2002-04-09 |