Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854493 | Method and apparatus for cutting welding steel strips | Mamoru Fujii, Kazuo Noda, Hiroshi Tajika, Koji Ono | 1989-08-08 |
| 4840303 | Method and apparatus for cutting and welding steel strips | Mamoru Fujii, Kazuo Noda, Hiroshi Tajika, Koji Ono | 1989-06-20 |