Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029976 | Optical recording medium and optical recording-reproducing method using thereof | Yutaka Wada, Masatsugu Suwabe, Junko Shimada, Keiji Oya, Koichi Shigeno | 2011-10-04 |
| 8030494 | Optical recording material | Yohei Aoyama | 2011-10-04 |