Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8875264 | System, method and program for off-line two-factor user authentication | Shigetomo Tamai, Tsuyoshi Kobayashi | 2014-10-28 |
| 8752147 | System and method for two-factor user authentication | Shigetomo Tamai, Tsuyoshi Kobayashi | 2014-06-10 |
| 8209746 | Content presentation-type authentication system | Shigetomo Tamai, Shigeo Akutsu | 2012-06-26 |
| 8093766 | Cylindrical linear motor armature, cylindrical linear motor field pole, and cylindrical linear motor using them | Toshiyuki Hoshi, Masahiko Tanabe, Takahisa Yamada, Seigo Nagamatu | 2012-01-10 |