Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6531001 | Non-oriented magnetic steel sheet having low iron loss and high magnetic flux density and manufacturing method therefor | Mitsumasa Kurosawa, Masaki Kawano, Michiro Komatsubara, Yuka Komori, Kazuaki Tamura | 2003-03-11 |
| 6436199 | Non-oriented magnetic steel sheet having low iron loss and high magnetic flux density and manufacturing method therefor | Mitsumasa Kurosawa, Masaki Kawano, Michiro Komatsubara, Yuka Komori, Kazuaki Tamura | 2002-08-20 |
| 6432227 | Electromagnetic steel sheet and process for producing the same | Mitsumasa Kurosawa, Michiro Komatsubara | 2002-08-13 |
| 6423157 | Method of making grain-oriented magnetic steel sheet having low iron loss | Mitsumasa Kurosawa, Michiro Komatsubara | 2002-07-23 |
| 6322635 | Electromagnetic steel sheet and process for producing the same | Mitsumasa Kurosawa, Michiro Komatsubara | 2001-11-27 |
| 6309473 | Method of making grain-oriented magnetic steel sheet having low iron loss | Mitsumasa Kurosawa, Michiro Komatsubara | 2001-10-30 |
| 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 | Michiro Komatsubara, Humihiko Takeuchi, Masataka Yamada | 1997-09-16 |
| 5571342 | Decarburized steel sheet for thin oriented silicon steel sheet having improved coating/magnetic characteristics and method of producing the same | Michiro Komatsubara, Katsuo Iwamoto, Makoto Watanabe | 1996-11-05 |
| 5342454 | Method of producing grain oriented silicon steel sheet having low iron loss | Ujihiro Nishiike, Bunjiro Fukuda, Masataka Yamada, Yoshiaki Iida, Fumihiko Takeuchi +1 more | 1994-08-30 |
| 5330586 | Method of producing grain oriented silicon steel sheet having very excellent magnetic properties | Michiro Komatsubara, Katsuo Iwamoto, Makoto Watanabe, Toshito Takamiya | 1994-07-19 |
| 5318639 | Method of manufacturing grain oriented silicon steel sheets | Ujihiro Nishiike, Bunjiro Fukuda, Masataka Yamada, Tetsuya Oishi, Shigeru Yoshida +1 more | 1994-06-07 |
| 5306353 | Method of producing grain oriented silicon steel sheets having less iron loss | Michiro Komatsubara, Takahiro Kan, Hirotake Ishitobi, Katsuo Iwamoto | 1994-04-26 |
| 5269853 | Decarburized steel sheet for thin oriented silicon steel sheet having improved coating/magnetic characteristics and method of producing the same | Michiro Komatsubara, Katsuo Iwamoto, Makoto Watanabe | 1993-12-14 |
| 5244511 | Method of manufacturing an oriented silicon steel sheet having improved magnetic flux density | Michiro Komatsubara, Mitsumasa Kurosawa, Takahiro Kan, Toshio Sadayori | 1993-09-14 |
| 5181972 | Process for producing grain oriented silicon steel sheets having excellent magnetic properties | Michiro Komatsubara, Mitsumasa Kurosawa, Yoshiaki Iida, Toshio Sadayori | 1993-01-26 |
| 5173128 | Method of producing oriented silicon steel sheet having very high magnetic flux density | Michiro Komatsubara, Toshio Sadayori, Katsuo Iwamoto, Takahiro Kan | 1992-12-22 |
| 5127971 | Method of producing grain oriented silicon steel sheets having improved magnetic properties and bending properties by electrolytic degreasing | Michiro Komatsubara, Mitsumasa Kurosawa, Takahiro Kan, Toshio Sandayori | 1992-07-07 |