Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851170 | Injection control method of injection molding machine | Miyuki Shimizu | 1989-07-25 |
| 4851171 | Method and apparatus for controlling back pressure in injection molding machine | Miyuki Shimizu | 1989-07-25 |