Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9154654 | Data processing device, image forming device, and data processing method | — | 2015-10-06 |
| 8170295 | Personal authentication system and personal authentication method | Akihiro Fujii | 2012-05-01 |
| 7440583 | Watermark information detection method | Takashi Hashimoto, Masahiko Suzaki | 2008-10-21 |