Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5413639 | Method of manufacturing low-core-loss grain oriented electrical steel sheet | Keiji Sato | 1995-05-09 |
| 5393355 | Low-iron loss grain oriented electromagnetic steel sheet and method of producing the same | Koh Nakano, Keiji Sato | 1995-02-28 |
| 5342454 | Method of producing grain oriented silicon steel sheet having low iron loss | Yasuyuki Hayakawa, Ujihiro Nishiike, Masataka Yamada, Yoshiaki Iida, Fumihiko Takeuchi +1 more | 1994-08-30 |
| 5318639 | Method of manufacturing grain oriented silicon steel sheets | Yasuyuki Hayakawa, Ujihiro Nishiike, Masataka Yamada, Tetsuya Oishi, Shigeru Yoshida +1 more | 1994-06-07 |
| 4915749 | Method of reducing iron loss of grain oriented silicon steel sheet | Keiji Sato, Eiji Hina | 1990-04-10 |
| 4846448 | Apparatus for improvement of iron loss of electromagnetic steel sheet or amorphous material | Toshitomo Sugiyama, Keiji Sato, Atsuhito Honda | 1989-07-11 |
| 4772338 | Process and apparatus for improvement of iron loss of electromagnetic steel sheet or amorphous material | Toshitomo Sugiyama, Keiji Sato, Atsuhito Honda | 1988-09-20 |