Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846448 | Apparatus for improvement of iron loss of electromagnetic steel sheet or amorphous material | Bunjiro Fukuda, Keiji Sato, Atsuhito Honda | 1989-07-11 |
| 4772338 | Process and apparatus for improvement of iron loss of electromagnetic steel sheet or amorphous material | Bunjiro Fukuda, Keiji Sato, Atsuhito Honda | 1988-09-20 |
| 4255205 | Method of producing grain-oriented silicon steel sheets having substantially no glass film | Nobuyuki Morito, Yoshio Obata | 1981-03-10 |
| 4242155 | Method of forming an insulating film on a grain-oriented silicon steel sheet | Nobuyuki Morito, Yasuo Yokoyama, Toshio Ichida | 1980-12-30 |