Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8447355 | Communication system, settlement management apparatus and method, portable information terminal and information processing method, and program | Hirofumi Hayaashi, Toru Kuwahara | 2013-05-21 |
| 8280435 | Communication system, settlement management apparatus and method, portable information terminal and information processing method, and program | Hirofumi Hayaashi, Toru Kuwahara | 2012-10-02 |
| 7634295 | Communication system, settlement management apparatus and method, portable information terminal and information processing method, and program | Hirofumi Hayaashi, Toru Kuwahara | 2009-12-15 |