Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10059800 | Process for producing polycarbonate | Kenji Sasaki, Masayuki Takahashi | 2018-08-28 |
| 9850351 | Polycarbonate-polyorganosiloxane copolymer and method for continuously producing same | Yukiko Nagao, Yasuhiro Ishikawa | 2017-12-26 |
| 9371419 | Polycarbonate-polyorganosiloxane copolymer and method for continuously producing same | Yukiko Nagao, Yasuhiro Ishikawa | 2016-06-21 |
| 9359473 | Method for continuous production of polycarbonate-polyorganosiloxane copolymer | Yukiko Nagao, Yasuhiro Ishikawa | 2016-06-07 |
| 9139701 | Method for continuous production of polycarbonate-polyorganosiloxane copolymer | Yasuhiro Ishikawa, Yukiko Nagao | 2015-09-22 |
| 9080021 | Polycarbonate-polyorganosiloxane copolymer and method for producing same | Yasuhiro Ishikawa, Yukiko Nagao | 2015-07-14 |
| 9045586 | Continuous production method for polycarbonate-polyorganosiloxane copolymer | Yasuhiro Ishikawa, Yukiko Nagao | 2015-06-02 |
| 5990262 | Process for producing polycarbonates | Akihiro Shishikura, Masahiro Takahashi, Seiji Takahashi, Noriyuki Kunishi | 1999-11-23 |
| 5981051 | Method for producing granular polycarbonate prepolymer for solid-state polymerization | Noriyuki Kunishi, Akihiro Shishikura | 1999-11-09 |