Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432222 | Method for producing a grain-oriented electrical steel sheet excellent in magnetic properties | Yoshifumi Ohata, Tomoji Kumano, Norikazu Fujii, Hitoshi Yokouchi, Norihiro Yamamoto | 2002-08-13 |
| 6387522 | Grain-oriented electrical steel sheet for low-noise transformer | Akira Sakaida, Masahiro Fujikura, Masato Mizokami | 2002-05-14 |
| 6368424 | Grain-oriented electrical steel sheets having excellent magnetic characteristics, its manufacturing method and its manufacturing device | Tatsuhiko Sakai, Naoya Hamada, Katsuhiro Minamida, Kimihiko Sugiyama, Akira Sakaida | 2002-04-09 |