Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8296237 | Recording system, fee calculation device, and content distribution method | Akira Akiyama, Tadamitsu Miyawaki, Hiroshi Oshino, Shinji Akahira, Hiroaki Anraku | 2012-10-23 |
| 7058607 | Contents distribution method and system | Tadamitsu Miyawaki | 2006-06-06 |