Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670440 | Production process and production system of aromatic polycarbonate | Kyosuke Matsumoto, Toru Sawaki, Katsushi Sasaki, Keiichi Kaneko | 2003-12-30 |
| 6613128 | Twin screw extruder, method of making aromatic polycarbonate using a twin screw extruder, and method of removing volatiles from an aromatic polycarbonate melt | Toru Sawaki, Katsushi Sasaki, Kazuki Hatono, Eiji Ito | 2003-09-02 |
| 6562936 | Apparatus and method for producing resin | Kazuki Hatono, Masumi Hirata, Hiroaki Kaneko, Toru Sawaki, Wataru Funakoshi +2 more | 2003-05-13 |