Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5484875 | Copolymeric polycarbonate production method | Takeshi Sakashita, Tomoaki Shimoda, Kotaro Kishimura | 1996-01-16 |
| 5418315 | Copolymeric polycarbonate production method | Takeshi Sakashita, Tomoaki Shimoda, Kotaro Kishimura | 1995-05-23 |
| 5324809 | Melt catalytic preparation of copolymeric polycarbonate from hydroquinone | Takeshi Sakashita, Tomoaki Shimoda, Kotaro Kishimura | 1994-06-28 |