Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836304 | Method of manufacturing an image display medium capable of displaying an image repeatedly, and image display medium capable of displaying an image repeatedly | Motohiko Sakamaki, Yasufumi Suwabe, Kiyoshi Shigehiro, Yoshinori Machida, Yoshiro Yamaguchi +4 more | 2004-12-28 |
| 6809854 | Image display medium and image forming device | Yasuo Yamamoto, Satoshi Hiraoka, Kiyoshi Shigehiro, Yoshinori Machida | 2004-10-26 |
| 6800368 | Image display medium | Kiyoshi Shigehiro, Yoshinori Machida, Yoshiro Yamaguchi, Motohiko Sakamaki | 2004-10-05 |
| 6753844 | Image display device and display drive method | Yoshinori Machida, Kiyoshi Shigehiro, Yasufumi Suwabe, Yoshiro Yamaguchi, Motohiko Sakamaki | 2004-06-22 |
| 6750843 | Display device | Motohiko Sakamaki, Yoshinori Machida, Kiyoshi Shigehiro, Yoshiro Yamaguchi | 2004-06-15 |
| 6741387 | Display element | Kiyoshi Shigehiro, Kiyokazu Mashimo, Kenji Yao, Hiroshi Miyamoto, Kyoko Nishikawa +5 more | 2004-05-25 |