Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5058994 | Liquid crystal apparatus | Tadashi Mihara, Hiroshi Inoue, Atsushi Mizutome, Akira Tsuboyama, Yoshihiro Onitsuka | 1991-10-22 |
| 5054890 | Liquid crystal device | Yukio Hanyu, Toshiharu Uchimi, Masanobu Asaoka | 1991-10-08 |
| 5041821 | Ferroelectric liquid crystal apparatus with temperature dependent DC offset voltage | Yoshihiro Onitsuka, Hiroshi Inoue, Atsushi Mizutome, Tadashi Mihara, Akira Tsuboyama | 1991-08-20 |
| 5026144 | Liquid crystal device, alignment control method therefor and driving method therefor | Hideyuki Kawagishi, Akira Tsuboyama, Shinjiro Okada, Yutaka Inaba, Junichiro Kanbe | 1991-06-25 |
| 5013137 | Ferroelectric liquid crystal device having increased tilt angle | Akira Tsuboyama, Yutaka Inaba, Hiroyuki Kitayama, Shinjiro Okada, Hideyuki Kawagishi +1 more | 1991-05-07 |
| 4958915 | Liquid crystal apparatus having light quantity of the backlight in synchronism with writing signals | Shinjiro Okada, Tohru Takahashi, Hideyuki Kawagishi, Yutaka Inaba | 1990-09-25 |
| 4952032 | Display device | Hiroshi Inoue, Tadashi Mihara, Atsushi Mizutome, Yoshihiro Onitsuka | 1990-08-28 |
| 4941736 | Ferroelectric liquid crystal device and driving method therefor | Junichiro Kanbe, Shinjiro Okada, Akira Tsuboyama, Masahiko Enari | 1990-07-17 |
| 4927243 | Method and apparatus for driving optical modulation device | Yoshihiro Onitsuka, Tadashi Mihara | 1990-05-22 |
| 4902107 | Ferroelectric liquid crystal optical device having temperature compensation | Akira Tsuboyama, Shinjiro Okada, Masahiko Enari | 1990-02-20 |
| 4898456 | Liquid crystal optical device | Shinjiro Okada, Akira Tsuboyama, Masahiko Enari | 1990-02-06 |
| 4883344 | Liquid crystal device having a modified polyvinyl alcohol alignment layer | Shinjiro Okada, Kazuo Yoshinaga, Hideyuki Kawagishi, Akira Tsuboyama, Yukio Hanyu +2 more | 1989-11-28 |
| 4878740 | Liquid crystal device | Yutaka Inaba | 1989-11-07 |
| 4846560 | Liquid crystal device with ferroelectric liquid crystal oriented at non-pixel portions | Akira Tsuboyama, Hiroyuki Kitayama | 1989-07-11 |
| 4820026 | Ferroelectric liquid crystal device with modified polyvinyl alcohol alignment film | Shinjiro Okada, Kazuo Yoshinaga, Hideyuki Kawagishi, Akira Tsuboyama, Yukio Hanyu +2 more | 1989-04-11 |
| 4738515 | Driving method for liquid crystal device | Shinjiro Okada, Yutaka Inaba | 1988-04-19 |
| 4721367 | Liquid crystal device | Kazuo Yoshinaga, Akira Tsuboyama, Kazuharu Katagiri | 1988-01-26 |
| 4712878 | Color image forming apparatus comprising ferroelectric smectic liquid crystal having at least two stable states | Shinjiro Okada, Yujiro Ando | 1987-12-15 |