Issued Patents All Time
Showing 1–2 of 2 patents
| 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, Azumi Iida, Takashi Kinoshita | 2012-08-21 |
| 8090764 | Communication system, communication apparatus, communication method, storage medium, and package medium | Takashi Sato, Mitsuru Toriyama, Kaoru Kijima | 2012-01-03 |