Issued Patents All Time
Showing 1–6 of 6 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 |
| 6472496 | Process for production of aromatic polycarbonate resin and molded article of aromatic polycarbonate resin | Kyosuke Matsumoto, Toru Sawaki, Katsushi Sasaki, Masahiro Murakami, Yoshiki Matsuoka | 2002-10-29 |
| 6380345 | Process for producing polycarbonates | Kazuhiro Uenishi, Toru Sawaki, Katsushi Sasaki | 2002-04-30 |
| 6323302 | Carbonic acid diester, aromatic polycarbonate and facilities, and preparation thereof | Katsushi Sasaki, Wataru Funakoshi, Toru Sawaki, Masumi Hirata, Hiroaki Kaneko +4 more | 2001-11-27 |