Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877388 | Mold clamping apparatus in an injection molding machine | Shigeo Tokunaga | 1989-10-31 |
| 4865536 | Direct mold clamping apparatus with ejector | Fumio Mitoguchi, Shigeo Tokunaga | 1989-09-12 |