Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173129 | Grain-oriented silicon steel sheet having a low iron loss free from deterioration due to stress-relief annealing and a method of producing the same | Ujihiro Nishiike, Michiro Komatsubara, Yoshiaki Iida | 1992-12-22 |
| 4952253 | Grain-oriented silicon steel sheet having a low iron loss free from deterioration due to stress-relief annealing and a method of producing the same | Ujihiro Nishiike, Michiro Komatsubara, Yoshiaki Iida | 1990-08-28 |
| 4655854 | Grain-oriented silicon steel sheet having a low iron loss free from deterioration due to stress-relief annealing and a method of producing the same | Ujihiro Nishiike, Michiro Komatsubara, Yoshiaki Iida | 1987-04-07 |
| 4517032 | Method of producing grain-oriented silicon steel sheets having excellent magnetic properties | Tomomichi Goto, Katsuo Iwamoto, Yoshinori Kobayashi | 1985-05-14 |
| 4439252 | Method of producing grain-oriented silicon steel sheets having excellent magnetic properties | Katsuo Iwamoto, Tomomichi Goto, Yoshinori Kobayashi, Yoshiaki Iida | 1984-03-27 |
| 4212689 | Method for producing grain-oriented electrical steel sheets or strips having a very high magnetic induction | Yoh Shimizu, Yoshiaki Iida, Tomomichi Goto, Hiromi Mitsunori | 1980-07-15 |