Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875491 | Polycarbonate composition, write once read many optical disc substrate and write once read many optical disc using same and process for production of write once read many optical disc | Masaaki Miyamoto, Takao Tayama, Ryuji Uchimura, Toshimitsu Inoue, Masaya Ueda | 2005-04-05 |