Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670440 | Production process and production system of aromatic polycarbonate | Kyosuke Matsumoto, Masasi Simonaru, Toru Sawaki, 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 | Masasi Simonaru, Toru Sawaki, Kazuki Hatono, Eiji Ito | 2003-09-02 |
| 6608165 | Aromatic polycarbonate and production process therefor | Wataru Funakoshi, Hiroaki Kaneko, Yuichi Kageyama, Takanori Miyoshi | 2003-08-19 |
| 6605686 | Method for producing an aromatic polycarbonate and method of keeping raw materials thereof | Hidemi Takemoto, Toru Sawaki, Keiichi Kaneko | 2003-08-12 |
| 6562936 | Apparatus and method for producing resin | Kazuki Hatono, Masumi Hirata, Hiroaki Kaneko, Toru Sawaki, Wataru Funakoshi +2 more | 2003-05-13 |
| 6525171 | Process for producing a polycarbonate and method of cleaning a production unit | Hidemi Takemoto, Toru Sawaki, Keiichi Kaneko | 2003-02-25 |
| 6509435 | Polycabonate, process for producing the same, and molded article thereof | Yuichi Kageyama, Hiroaki Kaneko, Wataru Funakoshi | 2003-01-21 |