Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885374 | Process for producing grain oriented silicon steel sheet and decarburized sheet | Takafumi Suzuki, Michiro Komatsuhara, Hiroi Yamaguchi | 1999-03-23 |
| 5725681 | Process for producing grain oriented silicon steel sheet, and decarburized sheet | Takafumi Suzuki, Michiro Komatsubara, Hiroi Yamaguchi | 1998-03-10 |
| 5620533 | Method for making grain-oriented silicon steel sheet having excellent magnetic properties | Keisuke Kotani, Mitsumasa Kurosawa, Masaki Kawano, Masayuki Sakaguchi, Takafumi Suzuki +1 more | 1997-04-15 |
| 5472520 | Method of controlling oxygen deposition during decarbutization annealing on steel sheets | Yoshinori Anabuki, Kazuo Kawamura, Yutaka Kosaka, Michio Komatsubara | 1995-12-05 |
| 5306353 | Method of producing grain oriented silicon steel sheets having less iron loss | Yasuyuki Hayakawa, Michiro Komatsubara, Takahiro Kan, Katsuo Iwamoto | 1994-04-26 |
| 5125991 | Silicon steel sheets having low iron loss and method of producing the same | Ujihiro Nishike, Shigeko Sujita, Tikara Kami, Yasuhiro Kobayashi | 1992-06-30 |
| 4963197 | Grain oriented electromagnetic steel sheets having a very low iron loss and method of producing the same | Ujihiro Nishiike, Yasuhiro Kobayashi, Shigeko Sujita, Norio Takahashi, Hisanao Nakahara +1 more | 1990-10-16 |
| 4906530 | Grain oriented electromagnetic steel sheets having a very low iron loss | Ujiihiro Nishiike, Yasuhiro Kobayashi, Shiqeko Sujita, Norio Takahashi, Hisanao Nakahara +1 more | 1990-03-06 |
| 4548868 | Surface treatment of zinc alloy electroplated steel strips | Kazuma Yonezawa, Toshikuni Tanda | 1985-10-22 |