Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8441911 | Optical disc, and production method and reproduction apparatus for optical disc | Tadahiro Sugawara, Atsuhisa Yamamoto, Fumitaka Tsuji | 2013-05-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8441911 | Optical disc, and production method and reproduction apparatus for optical disc | Tadahiro Sugawara, Atsuhisa Yamamoto, Fumitaka Tsuji | 2013-05-14 |