Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7580017 | Image display medium and image writing apparatus | Yasunori Saito, Tsunemasa Mita, Yasuo Yamamoto, Hiroaki Moriyama, Minoru Koshimizu +3 more | 2009-08-25 |
| 7362485 | Image display medium, image writing device, and image forming apparatus | Yoshiro Yamaguchi, Yoshinori Yamaguchi, Takayuki Takeuchi, Takashi Ozawa | 2008-04-22 |
| 6324518 | Electronic information utilization promotion system | Hiroshi Katsurabayashi, Eriko Tamaru, Takashi Ohsawa | 2001-11-27 |