Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7764300 | Optical recording medium and data recording device | Ryuichiro Yoshimura, Hidenori Nakagawa, Takayuki Yamamoto, Takashi Nakai, Yuichi Mizuuchi +12 more | 2010-07-27 |
| 7543311 | Disk unit | — | 2009-06-02 |
| 7401344 | Recording medium driving device | Yuji Yamada | 2008-07-15 |