Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859297 | Process for descaling cold-rolled and annealed stainless steel strip | Tatsuo Kawasaki, Eiko Yasuhara | 1989-08-22 |
| 4830836 | Metal stripping system and an operation process therefor | Kazuhiro Uchino, Toshio Watanabe, Yoshio Nakazato, Minoru Hoshino, Akira Yamamoto | 1989-05-16 |