Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027237 | Optical storage medium, information recording apparatus, and information reproducing apparatus | Shin-ichi Kadowaki, Masaru Yamaoka, Takashi Yumiba, Toyoji Gushima, Makoto Usui +1 more | 2011-09-27 |
| 7975206 | Information recording device and method, information reproducing device and method, recording medium, program, and disc recording medium | Shoei Kobayashi, Susumu Senshu, Tamotsu Yamagami, Makoto Usui, Hideshi Ishihara +3 more | 2011-07-05 |