Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956809 | Multilayer phase-change type optical disc capable of recording and reproducing information at high transfer rate | Koichi Yasuda | 2005-10-18 |
| 6928651 | Initialization method of optical recording medium | Takeshi Yamasaki, Tomomi Yukumoto, Masanobu Yamamoto, Daisuke Ueda | 2005-08-09 |