Issued Patents All Time
Showing 1–3 of 3 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 |
| 10123091 | Playback management device, playback management method, playback management program, content receiving system, and content distribution system | Tomoyuki Oya, Toshimi Morizumi | 2018-11-06 |
| 8329129 | Method for preparing pyrochlore oxide, polymer electrolyte fuel cell, fuel cell system, and method for producing electro catalyst for fuel cell | Yasushi Sato, Tamaki Mizuno | 2012-12-11 |