Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10375433 | Audiovisual access criterion updating method, updating code generating system, updating code generating device, audiovisual access criterion managing device, content receiving system, and content distribution system | Tomoyuki Oya, Toshimi Morizumi | 2019-08-06 |