Issued Patents All Time
Showing 26–50 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5446570 | Liquid crystal display with projecting portions on the electrodes | Shinjiro Okada, Satoshi Yuasa, Katsuhiko Shinjo, Hirokatsu Miyata, Masaaki Shibata | 1995-08-29 |
| 5440412 | Driving method for a ferroelectric optical modulation device | Akihiro Mouri, Tsutomu Toyono, Yutaka Inaba, Junichiro Kanbe | 1995-08-08 |
| 5396352 | Liquid crystal apparatus with gradation information signals and DC bias | Ryoji Fujiwara, Akio Yoshida, Tomoro Maruyama | 1995-03-07 |
| 5327272 | Optical modulation element | Ryoji Fujiwara, Akio Maruyama, Tomoko Maruyama, Tomoko Murakami | 1994-07-05 |
| 5321538 | Method for gradation display using a liquid crystal optical element with minute insulation portions on the electrodes | Tomoko Maruyama, Ryoji Fujiwara, Tomoko Murakami | 1994-06-14 |
| 5285298 | Color display apparatus | Kazuo Yoshinaga, Kazuo Isaka, Takashi Kai, Yomishi Toshida | 1994-02-08 |
| 5272552 | Optical modulation device and method using modulation layer of helical polymer liquid crystal having a helical chiral smectic C phase | Kazuo Yoshinaga, Yutaka Kurabayashi, Kazuo Isaka, Akihiro Mouri, Yomishi Toshida +2 more | 1993-12-21 |
| 5270844 | Liquid crystal optical element with minute insulation portions on the electrodes | Tomoko Maruyama, Ryoji Fujiwara, Tomoko Murakami | 1993-12-14 |
| 5260817 | Liquid crystal optical device comprising a liquid crystal pixel and a parallel circuit for providing a gradation of display | Ryoji Fujiwara, Tomoko Maruyama, Murakami Tomoko | 1993-11-09 |
| 5255110 | Driving method for optical modulation device using ferroelectric liquid crystal | Akihiro Mouri, Tsutomu Toyono, Yutaka Inaba, Junichiro Kanbe | 1993-10-19 |
| 5251050 | Liquid crystal display having spontaneous polarization above threshold voltage times liquid crystal and sub-capacitor capacitance over two times pixel area | Katsumi Kurematsu | 1993-10-05 |
| 5227900 | Method of driving ferroelectric liquid crystal element | Yutaka Inaba, Katsumi Kurematsu | 1993-07-13 |
| 5164741 | Apparatus and method for forming color image | Toshikazu Ohnishi, Takashi Kai, Kazuo Yoshinaga | 1992-11-17 |
| 5144464 | Polymer liquid crystal device | Toshikazu Ohnishi, Takashi Kai | 1992-09-01 |
| 5140447 | Display medium having a colored polymer liquid crystal layer | Kazuo Isaka, Akihiro Mouri, Kazuo Yoshinaga, Toshikazu Ohnishi, Yutaka Kurabayashi +2 more | 1992-08-18 |
| 5132818 | Ferroelectric liquid crystal optical modulation device and driving method therefor to apply an erasing voltage in the first time period of the scanning selection period | Akihiro Mouri, Tsutomu Toyono, Yutaka Inaba, Junichiro Kanbe | 1992-07-21 |
| 5106676 | Transfer medium for heat-sensitive transfer recording | Hiroshi Sato, Kazumi Tanaka, Naoki Kushida, Masato Katayama, Yasuyuki Tamura +4 more | 1992-04-21 |
| 5103332 | Color image forming method providing balanced color tone | Toshikazu Ohnishi, Takashi Kai | 1992-04-07 |
| 5072245 | Image recording apparatus employing optical and heat energy to record image | Yasuyuki Tamura, Tadashi Sato, Shinnosuke Taniishi | 1991-12-10 |
| 5059000 | Image forming medium and image forming apparatus using same | Akihiro Mouri, Kazuo Isaka, Kazuo Yoshinaga, Toshikazu Ohnishi, Yomishi Toshida +2 more | 1991-10-22 |
| 5038166 | Optical image recording apparatus | Kazuo Isaka, Akihiro Mouri, Kazuo Yoshinaga, Toshikazu Ohnishi, Yutaka Kurabayashi +2 more | 1991-08-06 |
| 5018841 | Driving method for optical modulation device | Akihiro Mouri, Tsutomu Toyono, Yutaka Inaba, Junichiro Kanbe | 1991-05-28 |
| 5015552 | Image forming method and transfer recording medium therefor using two energies | Yasuyuki Tamura | 1991-05-14 |
| 5005028 | Image forming method and transfer recording medium therefor | Yasuyuki Tamura | 1991-04-02 |
| 4965591 | Recording with polymer liquid crystal recording medium | Yutaka Kurabayashi, Toshikazu Ohnishi, Kazuo Yoshinaga, Akihiro Mouri, Kazuo Isaka +2 more | 1990-10-23 |