Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7328458 | Authoring system, authoring key generator, authoring device, authoring method, and data supply device, information terminal and information distribution method | Yasuhiro Yamanaka, Fumiaki Hisamatsu, Kenji Yoshino, Shinichi Ueno | 2008-02-05 |