Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8065416 | Playlist composition apparatus, copyright management apparatus and view terminal apparatus | Toshiyuki Kito, Hideki Tsutsui, Yoshihiro Ohmori | 2011-11-22 |
| 8046582 | Digital signature generation apparatus, digital signature verification apparatus, and key generation apparatus | Yasuhiro Goto | 2011-10-25 |