Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7526645 | Electronic document authenticity assurance method and electronic document disclosure system | Kunihiko Miyazaki, Mitsuru Iwamura, Tsutomu Matsumoto, Ryoichi Sasaki, Hiroshi Yoshiura +3 more | 2009-04-28 |
| 7270261 | Print management system | Takeshi Matsuki, Shuji Terada | 2007-09-18 |
| 7224820 | Electronic document, genuineness management method for print medium thereof, genuineness management system, program, and program recording medium | Hirofumi Inomata, Takeshi Matsuki, Hiroshi Yoshiura | 2007-05-29 |
| 7131776 | Printed matter reliability decision method | Hirokazu Aoshima, Yoshiyasu TAKAHASHI, Yasuhiro Fujii, Takeshi Matsuki | 2006-11-07 |
| 5594850 | Image simulation method | Makoto Kato, Makoto Nohmi, Yuri Takizawa | 1997-01-14 |