Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7694149 | Method for judging use permission of information and content distribution system using the method | Katsumi Tokuda, Kouji Miura | 2010-04-06 |
| 7676042 | Terminal apparatus, server apparatus, and digital content distribution system | Ryuichi Okamoto, Akio Higashi, Hiroki Murakami | 2010-03-09 |
| 7493638 | Processing terminal, receiving terminal and received data processing system | Takuji Hiramoto, Katsumi Tokuda, Hiroki Murakami | 2009-02-17 |