Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4745786 | Hot rolling method and apparatus for hot rolling | Takeshi Ono, Kunio Kawamura, Kenichi Matsui | 1988-05-24 |
| 4478649 | Method for producing a cold-rolled steel sheet having excellent formability | Osamu Akisue, Seiryo Hatae, Hiroaki Toki, Kichi Nakazawa | 1984-10-23 |