Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9565023 | Signature generation and verification system and signature verification apparatus | Kenta Takahashi, Yuta Yoneyama, Eisei Honbu | 2017-02-07 |
| 7447339 | Unique code generating apparatus, method, program and recording medium | Masahiro Mimura, Kenta Takahashi, Kazuo Takaragi, Yoichi Shibata | 2008-11-04 |