| Patent | Date |
|---|
Optical head device
Grant 7,986,606 - Takeshita , et al. July 26, 2 | 2011-07-26 |
Polarizing diffraction element and optical head device
Grant 7,738,346 - Ooi , et al. June 15, 2 | 2010-06-15 |
Polymerizable liquid crystal composition, optical anisotropic material, optical element and optical head device
Grant 7,534,370 - Yoshida , et al. May 19, 2 | 2009-05-19 |
Polymerizable Liquid Crystal Composition, Optical Anisotropic Material, Optical Element And Optical Head Device
App 20080048149 - YOSHIDA; Kara ; et al. | 2008-02-28 |
Optical Head Device
App 20070159932 - Takeshita; Nobuhiko ; et al. | 2007-07-12 |
Polarizing diffraction element and optical head device
App 20060239171 - Ooi; Yoshiharu ; et al. | 2006-10-26 |
LCD device including an illumination device having a polarized light separating sheet between a light guide and the display
Grant RE38,305 - Gunjima , et al. November 11, 2 | 2003-11-11 |
Optical head, method of manufacturing the same and diffraction element suitable therefor
App 20010030732 - Tanabe, Yuzuru ; et al. | 2001-10-18 |
Optical head, method of manufacturing the same, and diffraction element suitable therefor
Grant 6,304,312 - Tanabe , et al. October 16, 2 | 2001-10-16 |
LCD device including an illumination device having a polarized light separating sheet between a light guide and the display
Grant RE37,377 - Gunjima , et al. September 18, 2 | 2001-09-18 |
Optical head device including an optically anisotropic diffraction grating and process for its production
Grant 6,271,966 - Tanabe , et al. August 7, 2 | 2001-08-07 |
Liquid-crystal composition and polymeric liquid crystal obtained by polymerizing the same
Grant 6,180,028 - Hotaka , et al. January 30, 2 | 2001-01-30 |
Liquid crystal display element and a projection type liquid crystal display apparatus
Grant 6,122,021 - Hirai , et al. September 19, 2 | 2000-09-19 |
Liquid crystal/polymer composite with high optical anisotropy and low dielectric anisotropy to lower hysteresis exhibiting transparent and light scattering states
Grant 6,018,378 - Hirai , et al. January 25, 2 | 2000-01-25 |
LCD device including an illumination device having a polarized light separating sheet between a light guide and the display
Grant 5,587,816 - Gunjima , et al. December 24, 1 | 1996-12-24 |
Active matrix liquid crystal display element and projection type active matrix liquid crystal display device
Grant 5,386,306 - Gunjima , et al. January 31, 1 | 1995-01-31 |
Liquid crystal display apparatus for providing a gray scale and a projection type liquid crystal display apparatus
Grant 5,264,953 - Hirai , et al. November 23, 1 | 1993-11-23 |
Polymer dispersed liquid crystal color projection display apparatus
Grant 5,245,449 - Ooi , et al. September 14, 1 | 1993-09-14 |
Liquid crystal optical element with liquid crystal in polymer matrix with particular modulus of elasticity
Grant 5,235,445 - Hirai , et al. August 10, 1 | 1993-08-10 |
Transparent-scattering type optical device including a prism with a triangular longitudinal cross section
Grant 5,206,746 - Ooi , et al. April 27, 1 | 1993-04-27 |
Active matrix liquid crystal display element and a projection type active matrix liquid crystal display apparatus
Grant 5,103,327 - Hirai , et al. April 7, 1 | 1992-04-07 |
Liquid crystal optical device and process for its production and method for its operation
Grant 4,834,509 - Gunjima , et al. May 30, 1 | 1989-05-30 |
Liquid crystal optical device using U.V.-cured polymer dispersions and process for its production
Grant 4,818,070 - Gunjima , et al. April 4, 1 | 1989-04-04 |
Optically active compounds, smectic liquid crystal compositions containing them and smectic liquid crystal display devices
Grant 4,764,619 - Gunjima , et al. August 16, 1 | 1988-08-16 |
1-(Trans-4-alkylcyclohexyl)-2-(trans-4'-(p-substituted phenyl) cyclohexyl)ethane and liquid crystal mixture
Grant 4,514,044 - Gunjima , et al. April 30, 1 | 1985-04-30 |
Method of bonding cation exchange membrane of fluorinated polymer
Grant 4,318,785 - Gunjima , et al. * March 9, 1 | 1982-03-09 |
Cation exchange membrane of fluorinated polymer for electrolysis and preparation thereof
Grant 4,255,523 - Ukihashi , et al. * March 10, 1 | 1981-03-10 |
Method of bonding cation exchange membrane of fluorinated polymer
Grant 4,225,400 - Gunjima , et al. September 30, 1 | 1980-09-30 |
Cation exchange membrane of fluorinated polymer containing polytetrafluoroethylene fibrils for electrolysis and preparation thereof
Grant 4,218,542 - Ukihashi , et al. August 19, 1 | 1980-08-19 |
Method of bonding cation exchange membrane of fluorinated polymer
Grant 4,206,022 - Gunjima , et al. June 3, 1 | 1980-06-03 |
Fluorinated cation exchange membrane and use thereof in electrolysis of alkali metal halide
Grant 4,126,588 - Ukihashi , et al. November 21, 1 | 1978-11-21 |
Method of regenerating electrochemical properties of cation exchange membrane of fluorinated polymer
Grant 4,115,240 - Asawa , et al. September 19, 1 | 1978-09-19 |
Electrodialysis for aqueous solution of base
Grant 4,051,002 - Gunjima , et al. September 27, 1 | 1977-09-27 |
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