Issued Patents 2011
Showing 1–5 of 5 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, Makoto Usui, Mitsuro Moriya | 2011-10-18 |
| 8007867 | Multilayered information recording medium and process for producing said multilayered information recording medium, and apparatus for producing multilayered information recording medium and screen constituting said production apparatus for producing multilayered information recording medium | Yuuko Tomekawa, Morio Tomiyama | 2011-08-30 |
| 7957253 | Multiple recording layers optical disc having physical position information of pre-recording marks | Masaru Yamaoka, Mamoru Shoji, Kenji Kondo | 2011-06-07 |
| 7923090 | Optical information recording medium and method for manufacturing the same | Kazuhiro Hayashi, Sou Miyata | 2011-04-12 |
| 7907502 | Optical information recording medium, its information recording/reproducing method, and information recording/reproducing device | Morio Tomiyama, Eiji Ohno | 2011-03-15 |