Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6484154 | Safe for electric money and an electric money system | Kazuyuki Mitsuishi, Takumi Kishino, Toshiaki Ibi, Yasuyuki Higashiura | 2002-11-19 |
| 6474545 | Digital cash safe | Tadashi Haeno, Shigeru Hashimoto, Takumi Kishino, Toshiaki Ibi, Yasuyuki Higashiura | 2002-11-05 |