Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6380345 | Process for producing polycarbonates | Masasi Simonaru, Toru Sawaki, Katsushi Sasaki | 2002-04-30 |
| 6252034 | Process for producing a polycarbonate resin | Masashi Shimonaru, Toru Sawaki, Katsushi Sasaki | 2001-06-26 |