Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7937407 | Access control method, access control system, metadata controlling device, and transmitting apparatus | Jun Goto, Akitsugu Baba, Haruyuki Nakamura, Kiyohiko Ishikawa, Tatsuya Kurioka | 2011-05-03 |