Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7972673 | Optical recording medium | Tetsuhiro Sakamoto, Shigeki Takagawa, Jun Nakano, Goro Fujita | 2011-07-05 |
| 7924672 | Optical-disk recording medium, playing apparatus and method for same, and recording apparatus and method for same | Goro Fujita, Jun Nakano, Shigeki Takagawa, Kimihiro Saito | 2011-04-12 |