Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342454 | Method of producing grain oriented silicon steel sheet having low iron loss | Yasuyuki Hayakawa, Ujihiro Nishiike, Bunjiro Fukuda, Yoshiaki Iida, Fumihiko Takeuchi +1 more | 1994-08-30 |
| 5318639 | Method of manufacturing grain oriented silicon steel sheets | Yasuyuki Hayakawa, Ujihiro Nishiike, Bunjiro Fukuda, Tetsuya Oishi, Shigeru Yoshida +1 more | 1994-06-07 |