Issued Patents All Time
Showing 26–50 of 91 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6726965 | Optical compensatory sheet comprising substrate, orientation layer and optically anisotropic layer | Yoji Ito, Shigeki Yokoyama, Masayuki Negoro | 2004-04-27 |
| 6726966 | Process for vertical alignment of rod-like liquid crystal molecules | Masayuki Negoro | 2004-04-27 |
| 6696113 | Lyotropic liquid crystal composition | Masahiro Asami, Hideyuki Nishikawa | 2004-02-24 |
| 6685998 | Optical compensatory sheet comprising transparent support and optically anisotropic layer | Hideyuki Nishikawa | 2004-02-03 |
| 6630973 | Optically anisotropic cellulose ester film containing discotic compound | Koushin Matsuoka, Masahiko Murayama | 2003-10-07 |
| 6613246 | Polymerizable liquid crystal compound having amido bond between two cyclic groups | Hiroshi Takeuchi | 2003-09-02 |
| 6606140 | Optical compensatory sheet comprising substrate, orientation layer and optically anisotropic layer | Yoji Ito, Shigeki Yokoyama, Masayuki Negoro | 2003-08-12 |
| 6593984 | Quarter wave plate comprising two optically anisotropic layers | Kohei Arakawa, Mitsuyoshi Ichihashi | 2003-07-15 |
| 6540940 | Orientation layer containing (meth) acrylic copolymer having hydrophobic repeating units | Masayuki Negoro, Hideyuki Nishikawa | 2003-04-01 |
| 6531195 | Process for orienting rod-like liquid crystal molecules | Masayuki Negoro | 2003-03-11 |
| 6528460 | Lubricant composition | Yoshio Fuwa, Fumio Ueda, Hitoshi Miyata, Hirofumi Iisaka | 2003-03-04 |
| 6519017 | Liquid crystal display comprising liquid crystal cell, linearly polarizing membrane, cholesteric liquid crystal layer and quarter wave plate | Mitsuyoshi Ichihashi, Kohei Arakawa | 2003-02-11 |
| 6519016 | Phase retarder comprising two optically anisotropic layers | Mitsuyoshi Ichihashi, Kohei Arakawa | 2003-02-11 |
| 6485798 | Optical compensatory sheet comprising substrate and optically anisotropic layer | Eiichiro Aminaka, Shigeki Yokoyama, Mitsuyoshi Ichihashi | 2002-11-26 |
| 6461694 | Optical compensatory sheet comprising transparent support, orientation layer and optically anisotropic layer | Hideyuki Nishikawa | 2002-10-08 |
| 6444280 | Optical compensation sheet, liquid crystal display device, and liquid crystal composition | Koushin Matsuoka | 2002-09-03 |
| 6400433 | Circularly polarizing plate comprising linearly polarizing membrane and quarter wave plate | Kohei Arakawa, Mitsuyoshi Ichihashi | 2002-06-04 |
| 6380996 | Optical compensatory sheet and liquid crystal display | Shigeki Yokoyama, Hideyuki Nishikawa, Koshin Matsuoka, Eiichiro Aminaka, Yoji Ito | 2002-04-30 |
| 6338808 | Liquid crystal composition comprising liquid crystal molecules and alignment promoter | Shigeki Yokoyama, Mitsuyoshi Ichihashi, Koushin Matsuoka, Hiroshi Takeuchi | 2002-01-15 |
| 6245398 | Optically anisotropic sheet containing discotic liquid crystal molecules twisted with optically active triphenylene compound | Koushin Matsuoka, Shigeki Yokoyama | 2001-06-12 |
| 6061113 | Optical compensatory sheet having an orientation layer activated by irradiation of light, process and preparation of the same and liquid crystal display | — | 2000-05-09 |
| 5857826 | Work transporting robot and semiconductor device manufacturing apparatus | Naoyuki Sato | 1999-01-12 |
| 5736067 | Optical compensatory sheet and process for preparation of the same and liquid crystal display | Masaki Okazaki, Koh Kamada, Yoshinori Suzuki | 1998-04-07 |
| 5730900 | Film and process for preparation of the same and liquid crystal display | — | 1998-03-24 |
| 5635105 | Liquid crystal display and optical compensatory sheet and process for preparation of the same | Masayuki Negoro, Hideyuki Nishikawa, Masaki Okazaki, Hideki Maeta, Koh Kamada | 1997-06-03 |