Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889968 | Laser-punch composite processing machine | Masanori Sugimoto, Kouji Kawaguchi | 1989-12-26 |
| 4802567 | Plate processing machine | Hidekatsu Ikeda, Yoshihiko Kashiwabara | 1989-02-07 |