Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633060 | Optical disk substrate, optical disk and aromatic polycarbonate resin | Toshimasa Tokuda, Tatsumi Horie | 1997-05-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5633060 | Optical disk substrate, optical disk and aromatic polycarbonate resin | Toshimasa Tokuda, Tatsumi Horie | 1997-05-27 |