Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8526278 | Recording method, recording device, optical disc, optical disc manufacturing method, and optical disc drive device | Yasuhisa Fujiwara, Hiroyasu Ueno | 2013-09-03 |
| 8305853 | Optical disc drive device | Hiroyasu Ueno, Yasuhisa Fujiwara | 2012-11-06 |