Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437910 | Process for producing grain-oriented electromagnetic steel sheet | Tadao Nozawa, Takaaki Yamamoto, Tadashi Nakayama, Fumio Matsumoto | 1984-03-20 |
| 4339287 | Process for producing grain-oriented silicon steel strip | Fumio Matsumoto, Tsutomu Haratani, Kunihide Takashima, Toshio Kikuma | 1982-07-13 |