Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8955041 | Authentication collaboration system, ID provider device, and program | Seiichiro Tanaka, Minoru Nishizawa, Masataka Yamada, Tatsuro Ikeda | 2015-02-10 |
| 8793759 | Authentication collaboration system and ID provider device | Minoru Nishizawa, Tatsuro Ikeda, Masataka Yamada, Seiichiro Tanaka | 2014-07-29 |