Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8040785 | Optical disc, optical disc manufacturing method, optical disc recording device and optical disc reproduction device | Masaru Yamaoka, Mamoru Shoji, Keiji Nishikiori, Makoto Usui | 2011-10-18 |
| 8014236 | Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk | Yoshiho Gotoh, Mitsuaki Oshima, Shinichi Tanaka, Kenji Koishi | 2011-09-06 |