Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880374 | Filter exchange device for an extrusion molding machine | Sei Kawahara, Mitsuhiro Goto | 1989-11-14 |
| 4241111 | Process for consecutively coating both sides of web | Masuo Kabutomori, Eiichi Ohta, Hiroki Saito | 1980-12-23 |