Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8176538 | Information processing system, recording medium storing control program, and computer data signal embodied in a carrier wave | Hisashi Nakatsuyama | 2012-05-08 |
| 6487659 | Device and method for conditional authentication | Kohji Suzuki | 2002-11-26 |
| 6336189 | Apparatus and method for data capsule generation | Koji Takeda, Kazuo Saito | 2002-01-01 |
| 6073234 | Device for authenticating user's access rights to resources and method | Masaki Kyojima, Shunichi Kojima, Kil-Ho Shin | 2000-06-06 |