Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7738143 | Copy-forgery-inhibited pattern or stamp image combined with image data based on user actions | Koichi Ishimoto, Masaki Kashiwagi, Nobuaki Miyahara, Takayuki Hirata, Yousuke Aoki +2 more | 2010-06-15 |