Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668611 | Aluminum or aluminum alloy extruding die | Kazuhisa Kashiwazaki, Hirokazu Yamaguchi, Ryo Shoji | 2003-12-30 |
| 6557388 | Method of determining dimension of extrusion die and extrusion die produced based on the same | Akira Mitsumaru, Kazumi Kato, Kazuhiro Itabashi | 2003-05-06 |