Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7212121 | Wireless tag system, wireless tag access control device, wireless tag access control method, wireless tag access control program and wireless tag | Shigeru Hashimoto | 2007-05-01 |
| 7145458 | Non-contact IC tag system | Shigeru Hashimoto | 2006-12-05 |
| 6474545 | Digital cash safe | Shigeru Hashimoto, Takumi Kishino, Koken Yamamoto, Toshiaki Ibi, Yasuyuki Higashiura | 2002-11-05 |