Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6364963 | Grain oriented electrical steel sheet having very low iron loss and production process for same | Michiro Komatsubara, Toshito Takamiya | 2002-04-02 |
| 6331215 | Process for producing grain-oriented electromagnetic steel sheet | Tetsuo Toge, Michiro Komatsubara, Atsuhito Honda, Kenichi Sadahiro | 2001-12-18 |
| 6287392 | Grain-oriented silicon steel sheet and process for production thereof | Hiroaki Toda, Mitsumasa Kurosawa, Makoto Watanabe, Atsuhito Honda | 2001-09-11 |
| 6280534 | Grain oriented electromagnetic steel sheet and manufacturing thereof | Toshito Takamiya, Makoto Watanabe, Mitsumasa Kurosawa | 2001-08-28 |
| 6110298 | Grain-oriented electrical steel sheet excellent in magnetic characteristics and production process for same | Toshito Takamiya, Michiro Komatsubara | 2000-08-29 |
| 6103022 | Grain oriented electrical steel sheet having very low iron loss and production process for same | Michiro Komatsubara, Toshito Takamiya | 2000-08-15 |
| 6083326 | Grain-oriented electromagnetic steel sheet | Michiro Komatsubara, Toshito Takamiya | 2000-07-04 |
| 6039818 | Grain-oriented electromagnetic steel sheet and process for producing the same | Tetsuo Toge, Michiro Komatsubara, Atsuhito Honda, Kenichi Sadahiro | 2000-03-21 |
| 5885371 | Method of producing grain-oriented magnetic steel sheet | Michiro Komatsubara, Toshito Takamiya, Mineo Muraki, Chizuko Goto, Mitsumasa Kurosawa +1 more | 1999-03-23 |
| 5853499 | Grain-oriented electrical steel sheet and method of manufacturing the same | Michiro Komatsubara, Takafumi Suzuki, Hiroaki Toda, Hiroi Yamaguchi | 1998-12-29 |
| 5718775 | Grain-oriented electrical steel sheet and method of manufacturing the same | Michiro Komatsubara, Takafumi Suzuki, Hiroaki Toda, Hiroi Yamaguchi | 1998-02-17 |
| 5665178 | Method of manufacturing grain-oriented silicon steel sheet having excellent magnetic characteristics | Michiro Komatsubara, Masayoshi Ishida | 1997-09-09 |
| 5665455 | Low-iron-loss grain-oriented electromagnetic steel sheet and method of producing the same | Seiji Sato, Masayoshi Ishida, Kazuhiro Suzuki, Michiro Komatubara | 1997-09-09 |