Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8184810 | Secure device and relay terminal | — | 2012-05-22 |
| 7647638 | Apparatus and a method for preventing unauthorized use and a device with a function of preventing unauthorized use | — | 2010-01-12 |
| 7406093 | Station discovery processing method and wireless communication device | Hisashi Takayama | 2008-07-29 |
| 7325132 | Authentication method, system and apparatus of an electronic value | Hisashi Takayama | 2008-01-29 |
| 7232061 | Portable device, IC module, IC card, and method for using services | Yoshiaki Nakanishi | 2007-06-19 |