Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4695620 | Copolycarbonate resin from branched chain alkylene bis phenol | Mituhiko Masumoto, Tadami Kinugawa | 1987-09-22 |
| 4631334 | Optical articles of branched polycarbonate resin | Mituhiko Masumoto, Toshiaki Izumida, Kazuyuki Akahori | 1986-12-23 |
| 4395534 | Process for producing aromatic polyester carbonate resin | Senzo Shimizu, Isao Nomura, Masahiro Harada, Motohachi Usui, Susumu Taniyama | 1983-07-26 |