Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967762 | Image display medium, image display, device and image display method | Yasufumi Suwabe, Yoshiro Yamaguchi, Motohiko Sakamaki, Takeshi Matsunaga, Kiyoshi Shigehiro | 2005-11-22 |
| 6956557 | Image display device | Takeshi Matsunaga, Kiyoshi Shigehiro, Yoshiro Yamaguchi, Yasufumi Suwabe, Motohiko Sakamaki | 2005-10-18 |
| 6950084 | Image display medium and image forming apparatus | Yasuo Yamamoto, Chisato Urano, Yoshihiro Inaba, Takeshi Matsunaga, Kiyoshi Shigehiro | 2005-09-27 |
| 6879430 | Image display medium and image writing device | Yasufumi Suwabe, Yoshiro Yamaguchi, Takeshi Matsunaga, Motohiko Sakamaki, Kiyoshi Shigehiro | 2005-04-12 |
| 6842278 | Method for manufacturing image displaying medium | Motohiko Sakamaki, Kiyoshi Shigehiro, Yoshiro Yamaguchi, Shota Oba, Nobuyuki Nakayama +2 more | 2005-01-11 |
| 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, Takeshi Matsunaga, Yoshiro Yamaguchi +4 more | 2004-12-28 |
| 6809854 | Image display medium and image forming device | Yasuo Yamamoto, Satoshi Hiraoka, Kiyoshi Shigehiro, Takeshi Matsunaga | 2004-10-26 |
| 6800368 | Image display medium | Kiyoshi Shigehiro, Takeshi Matsunaga, Yoshiro Yamaguchi, Motohiko Sakamaki | 2004-10-05 |
| 6753844 | Image display device and display drive method | Kiyoshi Shigehiro, Yasufumi Suwabe, Yoshiro Yamaguchi, Motohiko Sakamaki, Takeshi Matsunaga | 2004-06-22 |
| 6750843 | Display device | Motohiko Sakamaki, Kiyoshi Shigehiro, Yoshiro Yamaguchi, Takeshi Matsunaga | 2004-06-15 |
| 6741387 | Display element | Kiyoshi Shigehiro, Kiyokazu Mashimo, Kenji Yao, Hiroshi Miyamoto, Kyoko Nishikawa +5 more | 2004-05-25 |
| 6657612 | Image display medium driving method and image display device | Kiyoshi Shigehiro, Yoshiro Yamaguchi, Motohiko Sakamaki, Takeshi Matsunaga | 2003-12-02 |
| 6587254 | Image display medium | Takeshi Matsunaga, Kiyoshi Shigehiro, Yoshiro Yamaguchi, Motohiko Sakamaki | 2003-07-01 |
| 6411316 | Image display medium, image-forming method, image-forming apparatus and initializer | Kiyoshi Shigehiro, Yoshiro Yamaguchi, Nobuyuki Nakayama, Shota Oba, Motohiko Sakamaki +2 more | 2002-06-25 |
| 6407763 | Image display medium, image-forming method and image-forming apparatus capable of repetitive writing on the image display medium | Yoshiro Yamaguchi, Kiyoshi Shigehiro, Nobuyuki Nakayama, Shota Oba, Motohiko Sakamaki +2 more | 2002-06-18 |
| 6333754 | Image displaying medium containing at least two kinds of particles having different colors and different characteristics, method for displaying image using same and image displaying apparatus including same | Shota Oba, Kiyoshi Shigehiro, Nobuyuki Nakayama, Yoshiro Yamaguchi, Motohiko Sakamaki +2 more | 2001-12-25 |
| 6241344 | Image forming method and image forming apparatus | — | 2001-06-05 |
| 5848332 | Image forming method and apparatus using tacky image forming support | — | 1998-12-08 |
| 4748517 | PCM audio signal reproducing apparatus | Masahiro Shibata, Tatsuo Tsujibayashi, Hiroyuki Sato, Daisuke Murakami, Yoko Ohgane | 1988-05-31 |
| 4743985 | In a video tape recorder having rotary recording, auxiliary and erasing heads, a circuit for short circuiting the auxiliary head during erasing | Masahiro Shibata, Tatsuo Tsujibayashi, Hiroyuki Sato | 1988-05-10 |
| 4682245 | Video and audio signal recording, reproducing and editing apparatus with replacement of viewed luminance signal component during insert audio editing mode | Masahiro Shibata, Tatsuo Tsujibayashi, Hiroyuki Sato | 1987-07-21 |