Issued Patents All Time
Showing 26–49 of 49 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7851031 | Optically-anisotropic film and liquid-crystal display device | Mitsuyoshi Ichihashi, Yuta Takahashi | 2010-12-14 |
| 7763181 | Optical compensation film, method of producing the same, and polarizing plate and liquid crystal display device using the same | Akira Ikeda, Michio Nagai | 2010-07-27 |
| 7755728 | Optically anisotropic film, brightness increasing film, laminated optical film, and image display device using the same | Mitsuyoshi Ichihashi | 2010-07-13 |
| 7696353 | Compound, composition and thin film | Makoto Takahashi, Ichiro Nagata, Satoshi Tanaka, Shigeki Uehira | 2010-04-13 |
| 7534475 | Liquid crystal compound comprising two condensed and substituted rings | Ryo Hamasaki, Atsuhiro Ohkawa | 2009-05-19 |
| 7534371 | Liquid crystalline compound, liquid crystalline composition and retardation film | Atsuhiro Ohkawa | 2009-05-19 |
| 7431971 | Retardation plate | Shigeki Uehira | 2008-10-07 |
| 7364670 | Liquid crystalline compound, liquid crystalline composition and retardation film | Atsuhiro Ohkawa | 2008-04-29 |
| 7250116 | Liquid crystal composition, polymerization product, retardation plate and ellipsoidally polarizing plate | Atsuhiro Ohkawa | 2007-07-31 |
| 7175889 | Retardation film and compound | Atsuhiro Ohkawa, Michitaka Matsuumi | 2007-02-13 |
| 7169325 | Liquid crystalline compound, liquid crystalline composition and retardation film | Atsuhiro Ohkawa | 2007-01-30 |
| 7153548 | Compound, retardation plate and method for forming optically anisotropic layer | Atsuhiro Ohkawa | 2006-12-26 |
| 7118786 | Optical compensatory sheet comprising transparent support and optically anisotropic layer | Eiichiro Aminaka, Ken Kawata | 2006-10-10 |
| 6696113 | Lyotropic liquid crystal composition | Ken Kawata, Masahiro Asami | 2004-02-24 |
| 6685998 | Optical compensatory sheet comprising transparent support and optically anisotropic layer | Ken Kawata | 2004-02-03 |
| 6540940 | Orientation layer containing (meth) acrylic copolymer having hydrophobic repeating units | Masayuki Negoro, Ken Kawata | 2003-04-01 |
| 6461694 | Optical compensatory sheet comprising transparent support, orientation layer and optically anisotropic layer | Ken Kawata | 2002-10-08 |
| 6380996 | Optical compensatory sheet and liquid crystal display | Shigeki Yokoyama, Ken Kawata, Koshin Matsuoka, Eiichiro Aminaka, Yoji Ito | 2002-04-30 |
| 5830953 | Process for producing ester-substituted polyvinyl alcohol and thin film using the same | Ken Kawada | 1998-11-03 |
| 5821610 | Leadframe allowing easy removal of tie bars in a resin-sealed semiconductor device | — | 1998-10-13 |
| 5679834 | Production process of (meth) acrylic acid ester having benzoic acid group | Haruyoshi Gotou | 1997-10-21 |
| 5654585 | Semiconductor device with at least one lead having a plurality of bent portions | — | 1997-08-05 |
| 5635105 | Liquid crystal display and optical compensatory sheet and process for preparation of the same | Ken Kawata, Masayuki Negoro, Masaki Okazaki, Hideki Maeta, Koh Kamada | 1997-06-03 |
| 5492866 | Process for correcting warped surface of plastic encapsulated semiconductor device | — | 1996-02-20 |