Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7110155 | Light modulation apparatus, image pickup apparatus, and drive methods therefor | Toru Udaka | 2006-09-19 |
| 7057683 | Guest-host liquid crystal element with removable polarizer | Toru Udaka, Toshiharu Yanagida, Masaru Kawabata | 2006-06-06 |
| 6876412 | Guest-host liquid crystal element with removable polarizer | Toru Udaka, Toshiharu Yanagida, Masaru Kawabata | 2005-04-05 |
| 6804037 | Light modulation apparatus and image pickup apparatus, and drive method thereof | Toru Udaka | 2004-10-12 |
| 6556266 | Liquid crystal projector having phase difference means with inclined angle | Yoshiki Shirochi, Yoshio Suzuki | 2003-04-29 |
| 6436490 | Monostable ferroelectric liquid crystal display apparatus | Teiichiro Nishimura, Tadaaki Isozaki, Eiji Okabe, Ryushi Shundo, Hideo Saito | 2002-08-20 |
| 6392624 | Method of driving liquid crystal device | Ying Bao Yang, Akio Yasuda | 2002-05-21 |
| 6384887 | Liquid crystal devices comprising a multitude of domains having different threshold voltages for switching liquid crystals | Akio Yasuda, Eriko Matsui, Hidehiko Takanashi, Ying Bao Yang | 2002-05-07 |
| 6339411 | Display device | Kazumasa Miyazaki, Masami Toriduka, Yoshiki Shirochi, Takao Takahashi | 2002-01-15 |
| 6335775 | Liquid crystal device having liquid crystal orientation layers including repetitive asymmetrical projects along a plurality of grooves | Takashi Iwamura, Nobuhiro Kihara, Takeshi Yamasaki, Katsuya Shirai, Masanobu Yamamoto +1 more | 2002-01-01 |
| 6317111 | Passive matrix addressed LCD pulse modulated drive method with pixel area and/or time integration method to produce covay scale | Akio Yasuda, Hidehiko Takanashi, Ying Bao Yang | 2001-11-13 |
| 6040884 | Liquid crystal devices comprising a multitude of domains having different threshold voltages for switching liquid crystals | Akio Yasuda, Eriko Matsui, Hidehiko Takanashi, Yang Ying Bao | 2000-03-21 |
| 6016133 | Passive matrix addressed LCD pulse modulated drive method with pixel area and/or time integration method to produce coray scale | Akio Yasuda, Hidehiko Takanashi, Ying Bao Yang | 2000-01-18 |
| 5993971 | Optical information record medium | Tohru Nagai, Tsutomu Noguchi, Mayumi Miyashita, Junetsu Seto, Katsumi Kohno | 1999-11-30 |
| 5659411 | Optical device having an optically transparent birefringent medium that selectively shifts the optical axis | Akio Yasuda, Nobue Kataoka, Hidehiko Takanashi, Eriko Matsui, Yang Ying Bao +1 more | 1997-08-19 |
| 5654784 | Liquid crystal devices comprising a multitude of domains having different threshold voltages for switching liquid crystals | Akio Yasuda, Eriko Matsui, Hidehiko Takanashi, Yang Ying Bao | 1997-08-05 |
| 5571450 | Ferroelectric liquid crystal composition | Akio Yasuda | 1996-11-05 |
| 5225105 | Optically active compound and ferroelectric liquid crystal composition produced therefrom | Eriko Koseki, Seiichi Arakawa | 1993-07-06 |
| 5214523 | Ferroelectric liquid crystal display device having monostabilized state as an initial state and continuous gray-scale | Mayumi Miyashita, Eriko Matsui, Seiichi Arakawa | 1993-05-25 |
| 4865945 | Positive photoresist material with o-quinone diazide and polymer containing silicon atoms | Tsutomu Noguchi, Junetsu Seto | 1989-09-12 |