Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8249991 | Contents reproduction expiration management system, contents reproduction expiration managing method, terminal apparatus, server apparatus, program, and recording medium for managing permission/non-permission of reproduction of contents | Takashi Sato, Kaoru Kijima, Mitsuru Toriyama, Takashi Kinoshita, Katsuyuki Kanetsuna | 2012-08-21 |