Issued Patents All Time
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, Masataka Yamada, Yoshiaki Iida +1 more | 1994-08-30 |
| 5296050 | Method of producing grain oriented silicon steel sheets having improved magnetic properties | Toshito Takamiya, Masahiko Manabe, Takashi Obara, Yoshiaki Iida | 1994-03-22 |