Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679178 | Method of manufacturing grain-oriented silicon steel sheet exhibiting excellent magnetic characteristics over the entire length of coil thereof | Kazuaki Tamura, Masako Hisata, Masaki Kawano | 1997-10-21 |
| 5666842 | Method of cold rolling grain-oriented silicon steel sheet having excellent and uniform magnetic characteristics along rolling direction of coil and a roll cooling controller for cold rolling mill using the cold rolling method | Yasuyuki Hayakawa, Humihiko Takeuchi, Masataka Yamada | 1997-09-16 |
| 5665178 | Method of manufacturing grain-oriented silicon steel sheet having excellent magnetic characteristics | Masayoshi Ishida, Kunihiro Senda | 1997-09-09 |