Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4719072 | Method for disposing inner insert in blow molding | Akira Iwawaki, Yoshiharu Shitara | 1988-01-12 |
| 4422838 | Extrusion head for use in blow molding machine | Akira Iwawaki, Eiji Horiuchi, Sadahiko Shinya, Katsuo Kodama, Kotaro Kawabata +1 more | 1983-12-27 |