Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5545024 | Screw for double-shaft extruding device and double-shaft extruding device | Toshiro Iwata, Iwami Nagata, Akira Hatakeyama | 1996-08-13 |
| 5464282 | Screw for double-shaft extruding device and double-shaft extruding device | Toshiro Iwata, Iwami Nagata, Akira Hatakeyama | 1995-11-07 |
| 4914635 | Apparatus for kneading rubber-like material | Juumei Harada | 1990-04-03 |
| 4871259 | Rubber-like material kneading apparatus | Jumei Harada | 1989-10-03 |