Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859166 | Screw extruding machine | Yoshihiro Hamada, Kazuhiko Nakagawa, Katunobu Hagiwara, Mitunori Asada | 1989-08-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859166 | Screw extruding machine | Yoshihiro Hamada, Kazuhiko Nakagawa, Katunobu Hagiwara, Mitunori Asada | 1989-08-22 |