Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885042 | Method and apparatus for preliminary treatment of stainless steel for cold rolling | Kazuhito Kenmochi, Akihiko Fukuhara, Tomio Komatu, Masanori Kitahama, Hideo Abe +2 more | 1989-12-05 |
| 4806724 | Laser beam machining device | Yoshito Kawai, Shiroh Yokoama, Ichiku Yokoyama, Goudai Yokoyama | 1989-02-21 |