Issued Patents All Time
Showing 1–3 of 3 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, Toshimitsu Inoue, Shigeo Higashi, Masaya Ueda | 2005-04-05 |
| 6294641 | Polycarbonate resin, optical-information recording medium substrate made of the same, and optical-information recording medium | Masaaki Miyamoto, Motonori Ueda, Kiyoji Kuma, Yoshitaka Shiraishi | 2001-09-25 |
| 6288205 | Polycarbonate resin, optical information recording medium substrate comprising the same, and optical information recording medium | Masaaki Miyamoto, Motonori Ueda, Kiyoji Kuma, Yoshitaka Shiraishi, Toshimitsu Inoue | 2001-09-11 |