Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989466 | Variable section extrusion die set and variable extrusion molding method | Masatsugu Kato, Shigeo Sano | 1999-11-23 |
| 5775155 | Variable section extrusion die set and variable extrusion molding method | Masatsugu Kato, Shigeo Sano, Atsushi Kamibayashi | 1998-07-07 |