Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8024340 | Metadata collection system, content management server, metadata collection apparatus, metadata collection method and program | Yuichi Kageyama, Norifumi Kikkawa, Toshiaki Kusakabe, Masahiro Hara, Junichi Nakata +1 more | 2011-09-20 |
| 7930536 | Device-to-device authentication system, device-to-device authentication method, communication apparatus, and computer program | Kazuhiko Takabayashi, Takehiko Nakano, Tatsuya Igarashi | 2011-04-19 |