Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10354300 | Electronic commercial transaction support method | Yoshitsugu Hasumi, Takashi Kawashima, Kazuo Imai | 2019-07-16 |
| 10013696 | Identification information supervising method, portal information providing apparatus, and IC card | Takashi Kawashima, Kotaro Hagiwara, Shinya Goishi | 2018-07-03 |
| 8447355 | Communication system, settlement management apparatus and method, portable information terminal and information processing method, and program | Kohei Yokota, Toru Kuwahara | 2013-05-21 |
| 8280435 | Communication system, settlement management apparatus and method, portable information terminal and information processing method, and program | Kohei Yokota, Toru Kuwahara | 2012-10-02 |
| 7634295 | Communication system, settlement management apparatus and method, portable information terminal and information processing method, and program | Kohei Yokota, Toru Kuwahara | 2009-12-15 |