Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4843855 | Multi-pass rolling method and multi-path rolling-mill stand for carrying out said method | Hiroaki Kuwano, Ken Okudaira, Akihiro Tanaka | 1989-07-04 |
| 4831708 | Method for producing a clad plate by hot rolling | Seishiro Yoshiwara, Kenichi Suzuki, Yukihiro Kako | 1989-05-23 |