Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663277 | Aromatic polycarbonate resin granule and process for the production thereof | Hideki Isshiki, Akiyoshi Manabe, Toshinori Kitachi, Yoshifumi Ikemura, Katsuhiro Kutsuna | 1997-09-02 |
| 5633060 | Optical disk substrate, optical disk and aromatic polycarbonate resin | Toshimasa Tokuda, Kuniyuki Hayashi | 1997-05-27 |