Issued Patents All Time
Showing 76–100 of 144 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775225 | Liquid crystal device having pillar spacers with small base periphery width in direction perpendicular to orientation treatment | Akira Tsuboyama, Hitoshi Shindo, Kazuharu Katagiri | 1988-10-04 |
| 4747671 | Ferroelectric optical modulation device and driving method therefor wherein electrode has delaying function | Tohru Takahashi, Hiroshi Inoue, Yoshiyuki Osada, Yutaka Inaba | 1988-05-31 |
| 4720173 | Display having an orientation treatment between 0.degree. and 15.degree. to the spacer wall | Shinjiro Okada, Kazuharu Katagiri | 1988-01-19 |
| 4714323 | Ferroelectric liquid crystal device having chiral smectic and nematic liquid crystal composition | Kazuharu Katagiri, Kazuo Yoshinaga, Shinjiro Okada | 1987-12-22 |
| 4712877 | Ferroelectric display panel of varying thickness and driving method therefor | Shinjiro Okada, Akira Tsuboyama, Yutaka Inaba | 1987-12-15 |
| 4712872 | Liquid crystal device | Kazuo Yoshinaga | 1987-12-15 |
| 4712873 | Liquid crystal optical device | Shinjiro Okada | 1987-12-15 |
| 4712875 | Dimensions of spacer particles for a ferroelectric liquid crystal display | Akira Tsuboyama, Kazuharu Katagiri | 1987-12-15 |
| 4709994 | Liquid crystal device using ferroelectric liquid crystal twisted in two stable states | Shinjiro Okada | 1987-12-01 |
| 4709995 | Ferroelectric display panel and driving method therefor to achieve gray scale | Masaki Kuribayashi, Toshihiko Nakazawa | 1987-12-01 |
| 4682858 | Liquid crystal device having reduced-pressure region in communication with ferroelectric liquid crystal | Shinjiro Okada, Tohru Takahashi, Yujiro Ando | 1987-07-28 |
| 4681404 | Liquid crystal device and driving method therefor | Shinjiro Okada | 1987-07-21 |
| 4671642 | Image forming apparatus | Yukitoshi Ohkubo, Shuzo Kaneko | 1987-06-09 |
| 4655561 | Method of driving optical modulation device using ferroelectric liquid crystal | Kazuharu Katagiri, Syuzo Kaneko | 1987-04-07 |
| 4639089 | Liquid crystal device | Shinjiro Okada, Kazuharu Katagiri | 1987-01-27 |
| 4637972 | Light receiving member having an amorphous silicon photoconductor | Kyosuke Ogawa, Shigeru Shirai, Keishi Saitoh, Teruo Misumi | 1987-01-20 |
| 4636450 | Photoconductive member having amorphous silicon matrix with oxygen and impurity containing regions | Kyosuke Ogawa, Shigeru Shirai, Keishi Saitoh, Yoichi Osato, Teruo Misumi | 1987-01-13 |
| 4609601 | Process of imaging an amorphous Si(C) photoconductive member | Shigeru Shirai, Tadaji Fukuda | 1986-09-02 |
| 4592985 | Photoconductive member having amorphous silicon layers | Kyosuke Ogawa, Shigeru Shirai, Keishi Saitoh, Teruo Misumi | 1986-06-03 |
| 4557987 | Photoconductive member having barrier layer and amorphous silicon charge generation and charge transport layers | Shigeru Shirai, Tadaji Fukuda | 1985-12-10 |
| 4555465 | Photoconductive member of amorphous silicon | Kyosuke Ogawa, Shigeru Shirai, Keishi Saitoh, Teruo Misumi | 1985-11-26 |
| 4547448 | Photoconductive member comprising silicon and oxygen | Shigeru Shirai, Kyosuke Ogawa, Keishi Saitoh, Yoichi Osato, Teruo Misumi | 1985-10-15 |
| 4539283 | Amorphous silicon photoconductive member | Shigeru Shirai, Tadaji Fukuda | 1985-09-03 |
| 4536459 | Photoconductive member having multiple amorphous layers | Teruo Misumi, Kyosuke Ogawa, Keishi Saitoh, Yoichi Osato, Shigeru Shirai | 1985-08-20 |
| 4536460 | Photoconductive member | Shigeru Shirai, Teruo Misumi, Keishi Saitoh, Yoichi Osato | 1985-08-20 |