Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7103571 | Electronic settlement system using prepaid type electronic money | Kazuhiko Shigemi, Miwa Nishio, Hiroya Seshimo, Hiroyuki Hatanaka | 2006-09-05 |
| 7031940 | Charge collecting system and program for controlling the same | Kazuhiko Shigemi, Miwa Nishio, Hiroya Seshimo, Hiroyuki Hatanaka | 2006-04-18 |