Issued Patents All Time
Showing 26–50 of 144 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604614 | Liquid crystal device with one liquid crystal showing a cholesteric phase and one showing a chiral smectic phase | Kazuharu Katagiri, Kazuo Yoshinaga, Shinjiro Okada | 1997-02-18 |
| 5592192 | Method of driving optical modulation device | Kazuharu Katagiri, Syuzo Kaneko | 1997-01-07 |
| 5592315 | Liquid crystal device and liquid crystal apparatus | Kazuharu Katagiri, Kazuo Yoshinaga, Shinjiro Okada | 1997-01-07 |
| 5582947 | Glow discharge process for making photoconductive member | Shigeru Shirai, Tadaji Fukuda | 1996-12-10 |
| 5582945 | Photoconductive member | Shigeru Shirai, Tadaji Fukuda | 1996-12-10 |
| 5568293 | Liquid crystal display having trapezoidal color filters formed from a low-temperature curing polyamino resin having a photosensitive group | Hideaki Takao, Tatsuo Murata, Miki Tamura, Masaru Kamio, Nobuyuki Sekimura +1 more | 1996-10-22 |
| 5565884 | Method of driving optical modulation device | Kazuharu Katagiri, Syuzo Kaneko | 1996-10-15 |
| 5559616 | Driving method for ferroelectric liquid crystal device with partial erasure and partial writing | Kazuharu Katagiri | 1996-09-24 |
| 5548424 | Liquid crystal device having two resins films formed from solutions of different viscosities | Hideaki Takao, Tatsuo Murata, Miki Tamura, Masaru Kamio, Nobuyuki Sekimura +1 more | 1996-08-20 |
| 5548303 | Method of driving optical modulation device | Kazuharu Katagiri, Syuzo Kaneko | 1996-08-20 |
| 5500751 | Ferroelectric liquid crystal color filter surrounded by a heat fusible resin | Hideaki Takao, Tatsuo Murata, Miki Tamura, Masaru Kamio, Nobuyuki Sekimura +1 more | 1996-03-19 |
| 5448383 | Method of driving ferroelectric liquid crystal optical modulation device | Kazuharu Katagiri, Syuzo Kaneko | 1995-09-05 |
| 5440412 | Driving method for a ferroelectric optical modulation device | Akihiro Mouri, Tsutomu Toyono, Shuzo Kaneko, Yutaka Inaba | 1995-08-08 |
| 5436743 | Method for driving optical modulation device | Kazuharu Katagiri | 1995-07-25 |
| 5426525 | Ferroelectric smectic liquid crystal device | Yukio Hanyu, Hideyuki Sugioka, Yutaka Inaba, Masanobu Asaoka | 1995-06-20 |
| 5422749 | Ferroelectric smetic liquid crystal device | Yukio Hanyu, Hideyuki Sugioka, Yutaka Inaba, Masanobu Asaoka | 1995-06-06 |
| 5418634 | Method for driving optical modulation device | Kazuharu Katagiri, Syuzo Kaneko | 1995-05-23 |
| 5398126 | Ferroelectric color liquid crystal device lacking alignment defects | Hideaki Takao, Tatsuo Murata, Miki Tamura, Masaru Kamio, Nobuyuki Sekimura +1 more | 1995-03-14 |
| 5381254 | Method for driving optical modulation device | Kazuharu Katagiri | 1995-01-10 |
| 5311343 | Liquid crystal device with at least two liquid crystal compounds, one having and one not having a chiral smectic phase | Kazuharu Katagiri, Kazuo Yoshinaga, Shinjiro Okada | 1994-05-10 |
| 5301049 | Liquid crystal device with at least two liquid crystal compounds, one having one not having a cholesteric phase | Kazuharu Katagiri, Kazuo Yoshinaga, Shinjiro Okada | 1994-04-05 |
| 5296953 | Driving method for ferro-electric liquid crystal optical modulation device | Kazuharu Katagiri | 1994-03-22 |
| 5258250 | Photoconductive member | Shigeru Shirai, Tadaji Fukuda | 1993-11-02 |
| 5255110 | Driving method for optical modulation device using ferroelectric liquid crystal | Akihiro Mouri, Tsutomu Toyono, Shuzo Kaneko, Yutaka Inaba | 1993-10-19 |
| 5200848 | Ferroelectric smectic liquid crystal device | Yukio Hanyu, Hideyuki Kawagishi, Yutaka Inaba | 1993-04-06 |