Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045794 | Image processing method and device for restoring sub-information from composite image information | Takashi Yamaguchi | 2011-10-25 |
| 7778540 | Verification apparatus and verification method for recording media | Kenji Miyazaki, Takeo Miki, Junji Miura, Takahisa Nakano, Takashi Yamaguchi | 2010-08-17 |
| 7613318 | Image processing apparatus, image processing method, and print product | Takashi Yamaguchi | 2009-11-03 |
| 7577271 | Image processing apparatus for embedding digital watermark | Takashi Yamaguchi | 2009-08-18 |
| 7243843 | Personal authentication medium issuing method | Takeo Miki, Kenji Miyazaki, Takashi Yamaguchi | 2007-07-17 |
| 6883982 | Image processing system | Takashi Yamaguchi | 2005-04-26 |