Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074254 | Recording device, playback device, recording method and playback method | Takamichi Mitsuhashi, Tadashi Saito, Katsutoshi Sakao, Yasuhisa Nakajima, Hiroshige Okamoto | 2011-12-06 |