Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5571342 | Decarburized steel sheet for thin oriented silicon steel sheet having improved coating/magnetic characteristics and method of producing the same | Michiro Komatsubara, Yasuyuki Hayakawa, Makoto Watanabe | 1996-11-05 |
| 5330586 | Method of producing grain oriented silicon steel sheet having very excellent magnetic properties | Michiro Komatsubara, Yasuyuki Hayakawa, Makoto Watanabe, Toshito Takamiya | 1994-07-19 |
| 5306353 | Method of producing grain oriented silicon steel sheets having less iron loss | Yasuyuki Hayakawa, Michiro Komatsubara, Takahiro Kan, Hirotake Ishitobi | 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, Yasuyuki Hayakawa, Makoto Watanabe | 1993-12-14 |
| 5173128 | Method of producing oriented silicon steel sheet having very high magnetic flux density | Michiro Komatsubara, Toshio Sadayori, Yasuyuki Hayakawa, Takahiro Kan | 1992-12-22 |
| 5139582 | Method of manufacturing an oriented silicon steel sheet having improved magnetic characeristics | Mitsumasa Kurosawa, Michiro Komatsubara, Takahiro Kan, Toshio Sadayori | 1992-08-18 |
| 4975127 | Method of producing grain oriented silicon steel sheets having magnetic properties | Mitsumasa Kurosawa, Masayuki Sakaguchi, Yoshinori Kobayashi, Yoshiaki Iida | 1990-12-04 |
| 4642141 | Method for producing grain-oriented silicon steel sheets | Yoshiaki Iida | 1987-02-10 |
| 4517032 | Method of producing grain-oriented silicon steel sheets having excellent magnetic properties | Tomomichi Goto, Yoshinori Kobayashi, Isao Matoba | 1985-05-14 |
| 4439252 | Method of producing grain-oriented silicon steel sheets having excellent magnetic properties | Tomomichi Goto, Yoshinori Kobayashi, Yoshiaki Iida, Isao Matoba | 1984-03-27 |