Issued Patents All Time
Showing 51–75 of 144 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5194359 | Developing method for one component developer | Tsutomu Toyono, Nagao Hosono, Tohru Takahashi | 1993-03-16 |
| 5141836 | Method of forming a photoconductive member with silicon, hydrogen and/or halogen and carbon | Shigeru Shirai, Tadaji Fukuda | 1992-08-25 |
| 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, Shuzo Kaneko, Yutaka Inaba | 1992-07-21 |
| 5120466 | Fluid crystal device | Kazuharu Katagiri, Kazuo Yoshinaga, Shinjiro Okada | 1992-06-09 |
| 5101289 | Chiral smectic color display device with interval between color filters: color filter film thickness ratio of 0-5 | Hideaki Takao, Tatsuo Murata, Miki Tamura, Masaru Kamio, Nobuyuki Sekimura +1 more | 1992-03-31 |
| 5096798 | Developing method for one-component developer | Tsutomu Toyono, Nagao Hosono, Tohru Takahashi | 1992-03-17 |
| 5093737 | Method for driving a ferroelectric optical modulation device therefor to apply an erasing voltage in the first step | Kazuharu Katagiri | 1992-03-03 |
| 5092665 | Driving method for ferroelectric liquid crystal optical modulation device using an auxiliary signal to prevent inversion | Kazuharu Katagiri | 1992-03-03 |
| 5044310 | Developing apparatus for non-magnetic developer | Tsutomu Toyono, Nagao Hosono, Tohru Takahashi | 1991-09-03 |
| 5032485 | Developing method for one-component developer | Tsutomu Toyono, Nagao Hosono, Tohru Takahashi | 1991-07-16 |
| 5026144 | Liquid crystal device, alignment control method therefor and driving method therefor | Osamu Taniguchi, Hideyuki Kawagishi, Akira Tsuboyama, Shinjiro Okada, Yutaka Inaba | 1991-06-25 |
| 5018841 | Driving method for optical modulation device | Akihiro Mouri, Tsutomu Toyono, Shuzo Kaneko, Yutaka Inaba | 1991-05-28 |
| 4981340 | Method and apparatus for readout of information from display panel | Katsumi Kurematsu, Tsutomu Toyono | 1991-01-01 |
| 4941736 | Ferroelectric liquid crystal device and driving method therefor | Osamu Taniguchi, Shinjiro Okada, Akira Tsuboyama, Masahiko Enari | 1990-07-17 |
| 4932759 | Driving method for optical modulation device | Tsutomu Toyono, Akihiro Mouri, Shuzo Kaneko, Yutaka Inaba | 1990-06-12 |
| 4932758 | Ferroelectric smectic liquid crystal device having a bistable alignment state providing two stable orientation states | Yukio Hanyu, Hideyuki Kawagishi, Yutaka Inaba | 1990-06-12 |
| 4917470 | Driving method for liquid crystal cell and liquid crystal apparatus | Shinjiro Okada | 1990-04-17 |
| 4917471 | Liquid crystal device | Hideaki Takao, Tatsuo Murata, Miki Tamura, Masaru Kamio, Nobuyuki Sekimura +1 more | 1990-04-17 |
| 4913088 | Apparatus for developer transfer under electrical bias | Tsutomu Toyono, Nagao Hosono, Tohru Takahashi | 1990-04-03 |
| 4844597 | Liquid crystal device utilizing chiral-smectic and nematic phases for thinner crystal layers | Kazuharu Katagiri, Kazuo Yoshinaga, Shinjiro Okada | 1989-07-04 |
| 4836656 | Driving method for optical modulation device | Akihiro Mouri, Tsutomu Toyono, Shuzo Kaneko, Yutaka Inaba | 1989-06-06 |
| 4800382 | Driving method for liquid crystal device | Shinjiro Okada | 1989-01-24 |
| 4796980 | Ferroelectric liquid crystal optical modulation device with regions within pixels to initiate nucleation and inversion | Shuzo Kaneko, Tsutomu Toyono | 1989-01-10 |
| 4795688 | Layered photoconductive member comprising amorphous silicon | Teruo Misumi, Kyosuke Ogawa, Keishi Saitoh, Yoichi Osato, Shigeru Shirai | 1989-01-03 |
| 4781441 | Method of controlling orientation of liquid crystal, device used therein and liquid crystal device produced thereby | Kazuharu Katagiri, Shinjiro Okada | 1988-11-01 |