Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161816 | Method for producing aromatic nitrile compound and method for producing carbonic acid ester | Hidefumi Harada, Yousuke Shinkai, Hongyu Liu, Takehiko Isobe | 2021-11-02 |
| 11142506 | Diaryl carbonate and method for producing the same, and method for producing an aromatic polycarbonate resin | Hidefumi Harada, Jungo TAGUCHI | 2021-10-12 |
| 11021571 | Manufacturing method for high molecular weight aromatic polycarbonate resin | Atsushi Hirashima, Hidefumi Harada, Maki Ito, Jun Hayakawa, Takehiko Isobe +2 more | 2021-06-01 |
| 10927216 | Manufacturing method for high molecular weight aromatic polycarbonate resin | Atsushi Hirashima, Hidefumi Harada, Maki Ito, Jun Hayakawa, Takehiko Isobe +2 more | 2021-02-23 |
| 10894860 | High molecular weight aromatic polycarbonate resin manufacturing method | Atsushi Hirashima, Hidefumi Harada, Maki Ito, Jun Hayakawa, Takehiko Isobe +2 more | 2021-01-19 |