Issued Patents All Time
Showing 1–25 of 34 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 |
| 6485657 | Gamma-ray stabilizer and thermoplastic polymer compound including the said stabilizer | Wataru Funakoshi, Tetsuo Kanda, Fumitaka Kondo | 2002-11-26 |
| 6471877 | Filter device for polycarbonate and production method for polycarbonate | Masahiro Murakami, Yoshiki Matsuoka, Toru Sawaki | 2002-10-29 |
| 6472496 | Process for production of aromatic polycarbonate resin and molded article of aromatic polycarbonate resin | Kyosuke Matsumoto, Masasi Simonaru, Toru Sawaki, Masahiro Murakami, Yoshiki Matsuoka | 2002-10-29 |
| 6448365 | Aromatic polycarbonate composition | Wataru Funakoshi, Masumi Hirata, Hiroaki Kaneko, Yuichi Kageyama, Toru Sawaki | 2002-09-10 |
| 6423813 | Branched aromatic polycarbonate, and production method and blow-molded article thereof | Wataru Funakoshi, Yuichi Kageyama, Hiroaki Kaneko | 2002-07-23 |
| 6417291 | Process for producing polyarylate | Hiroaki Kaneko, Wataru Funakoshi, Yuichi Kageyama | 2002-07-09 |
| 6410678 | Aromatic polycarbonate, production method and molded products thereof | Makoto Ishida, Koji Ishihata, Koji Maeda, Wataru Funakoshi, Hiroaki Kaneko +1 more | 2002-06-25 |
| 6410777 | Salicylic acid ester derivative and its production | Hiroaki Kaneko, Wataru Funakoshi | 2002-06-25 |
| 6407199 | Polycarbonate resin composition optical recording medium, and substrate therefor | Masumi Hirata, Toru Sawaki, Wataru Funakoshi, Jyuhou Matsuo | 2002-06-18 |
| 6380345 | Process for producing polycarbonates | Kazuhiro Uenishi, Masasi Simonaru, Toru Sawaki | 2002-04-30 |
| 6323302 | Carbonic acid diester, aromatic polycarbonate and facilities, and preparation thereof | Wataru Funakoshi, Toru Sawaki, Masumi Hirata, Hiroaki Kaneko, Masanori Abe +4 more | 2001-11-27 |
| 6303734 | Stabilized aromatic polycarbonate | Wataru Funakoshi, Hiroaki Kaneko | 2001-10-16 |
| 6300459 | Process for producing aromatic polycarbonate | Hiroaki Kaneko, Wataru Funakoshi | 2001-10-09 |
| 6265524 | Process for the preparation of aromatic polycarbonate | Hidemi Takemoto, Toru Sawaki | 2001-07-24 |
| 6252036 | Process for producing polycarbonate resin | Kazuki Hatono, Hiroaki Kaneko, Toru Sawaki | 2001-06-26 |
| 6252034 | Process for producing a polycarbonate resin | Kazuhiro Uenishi, Masashi Shimonaru, Toru Sawaki | 2001-06-26 |
| 6103856 | Polycarbonate composition | Wataru Funakoshi | 2000-08-15 |
| 5929192 | Process for producing aromatic polycarbonate resin | Tetsurou Miyauti, Toru Wawaki | 1999-07-27 |