Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6935750 | Display device and display optical system unit | Mikio Shiraishi, Yasuo Ohtsuka, Kenji Fuse | 2005-08-30 |
| 6908198 | Image display mechanism and image display device | Mikio Shiraishi, Yasuo Otsuka | 2005-06-21 |
| 6895393 | Electronic book distributing system by use of purchase certificate and devices therefor | Tadashi Kuwabara, Hiroshi Shimizu, Misuzu Mochizuki, Yukinobu Tada, Naoki Yamamoto +6 more | 2005-05-17 |