Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866974 | Method of changing die assemblies for press machine | Motoatsu Shiraishi, Ken Tazou, Masaru Sasagawa, Mitsuki Nakamura | 1989-09-19 |
| 4807456 | Workpiece transfer device for press machine | Motoatsu Shiraishi, Mitsuki Nakamura | 1989-02-28 |