Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157544 | Process for producing polycarbonate oligomer and process for producing polycarbonate resin using the same | Kazuhiro Andou, Toshiaki Aso | 2007-01-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7157544 | Process for producing polycarbonate oligomer and process for producing polycarbonate resin using the same | Kazuhiro Andou, Toshiaki Aso | 2007-01-02 |