Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7226658 | Electrical sheet having insulating coating and insulating coating | Kazumichi Sashi, Yuka Komori, Masaki Kawano | 2007-06-05 |
| 6475304 | Grain-oriented silicon steel sheet and process for production thereof | Hiroaki Toda, Kunihiro Senda, Mitsumasa Kurosawa, Makoto Watanabe | 2002-11-05 |
| 6416591 | Non-oriented electromagnetic steel sheet having excellent magnetic properties after stress relief annealing and method of manufacturing the same | Masaki Kawano, Yoshihiro Ozaki | 2002-07-09 |
| 6331215 | Process for producing grain-oriented electromagnetic steel sheet | Tetsuo Toge, Michiro Komatsubara, Kenichi Sadahiro, Kunihiro Senda | 2001-12-18 |
| 6290783 | Non-oriented electromagnetic steel sheet having excellent magnetic properties after stress relief annealing | Masaki Kawano, Yoshihiro Ozaki | 2001-09-18 |
| 6287392 | Grain-oriented silicon steel sheet and process for production thereof | Hiroaki Toda, Kunihiro Senda, Mitsumasa Kurosawa, Makoto Watanabe | 2001-09-11 |
| 6228182 | Method and low iron loss grain-oriented electromagnetic steel sheet | Koh Nakano, Keiji Sato | 2001-05-08 |
| 6039818 | Grain-oriented electromagnetic steel sheet and process for producing the same | Tetsuo Toge, Michiro Komatsubara, Kenichi Sadahiro, Kunihiro Senda | 2000-03-21 |
| 5855694 | Method for producing grain-oriented silicon steel sheet | Tetsuo Toge, Mineo Muraki, Kenichi Sadahiro, Minoru Takashima | 1999-01-05 |
| 5676771 | Non-oriented silicon steel sheet and method | Koji Yano, Takashi Obara, Minoru Takashima | 1997-10-14 |
| 5013372 | Semi-process non-oriented electromagnetic steel strip having low core loss and high magnetic permeability, and method of making | Michiro Komatsubara, Ko Matsumura, Keiji Nishimura | 1991-05-07 |
| 4946519 | Semi-processed non-oriented electromagnetic steel strip having low core loss and high magnetic permeability, and method of making | Michiro Komatsubara, Ko Matsumura, Keiji Nishimura | 1990-08-07 |
| 4938806 | Method for producing an electro-magnetic steel sheet | Michiro Komatsubara, Ko Matsumura | 1990-07-03 |
| 4846448 | Apparatus for improvement of iron loss of electromagnetic steel sheet or amorphous material | Bunjiro Fukuda, Toshitomo Sugiyama, Keiji Sato | 1989-07-11 |
| 4772338 | Process and apparatus for improvement of iron loss of electromagnetic steel sheet or amorphous material | Bunjiro Fukuda, Toshitomo Sugiyama, Keiji Sato | 1988-09-20 |