Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975127 | Method of producing grain oriented silicon steel sheets having magnetic properties | Masayuki Sakaguchi, Katsuo Iwamoto, Yoshinori Kobayashi, Yoshiaki Iida | 1990-12-04 |
| 4818299 | Method of manufacturing cold-rolled steel sheets | Susumu Sato, Hideo Suzuki, Takashi Obara, Kozo Tsunoyama | 1989-04-04 |
| 4750952 | Cold-rolled steel sheets | Susumu Sato, Hideo Suzuki, Takashi Obara, Kozo Tsunoyama | 1988-06-14 |