Issued Patents 2011
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8004943 | Optical disc recording method and optical disc having multiple layers with non-overlapping test recording areas in adjacent layers | Nobuo Takeshita, Osamu Tsukahara | 2011-08-23 |
| 7969840 | Recording method for optimizing an optimal recording power | Nobuo Takeshita, Osamu Tsukahara | 2011-06-28 |
| 7957238 | Optical recording method and optical recorder | Nobuo Takeshita, Osamu Tsukahara | 2011-06-07 |
| 7903518 | Optical recording method and optical recording device | Osamu Tsukahara, Yoshihiro Kiyose | 2011-03-08 |
| 7864646 | Optical recording medium, optical recording device, and optical recording and reproducing device | Osamu Tsukahara, Yoshihiro Kiyose | 2011-01-04 |