Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10108981 | Controlling content distribution using multiple devices | Ikuo Kobori, Yoshio Tsuda, Masato Kawada, Eiji Miyakawa | 2018-10-23 |
| 8467666 | Recording medium production method, recording medium, and player for recording medium | Hiroshi Okuda, Toshiyuki Katsumoto | 2013-06-18 |