Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798528 | Extruding die structure for plunger molding machine | Isao Hattori | 1989-01-17 |
| 4728198 | Kneader | Hideya Maekawa | 1988-03-01 |
| 4695242 | Plunger molding machine having blank loading device | Isao Hattori | 1987-09-22 |