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| Number | Title | Issue Date |
| 8168702 | Acrylic-resin-containing film, polarizing plate and liquid crystal display device using the same Object of the present invention is to provide an acrylic-resin-containing film which exhibits high transparency, high heat resistance, and markedly improved brittleness, a polarizing plate using the acrylic-resin-containing film which improves a yield of operation s... | 05/01/2012 |
| 8158039 | Method for producing optical film A method for producing an optical film is disclosed. A cellulose ester, a sugar ester prepared by esterification of a sugar compound formed by 1 to 12 of structures selected by a furanose structure and a pyranose structure and an acryl type polymer having a weight a... | 04/17/2012 |
| 8147638 | Polarizing plate and display using the same A polarizing plate comprising a polarizing film having thereon a retardation film containing a plasticizer and a cellulose ester, wherein a free volume radius of the retardation film determined by positron annihilation lifetime spectroscopy is in the range of 0.250-... | 04/03/2012 |
| 7660046 | Lens barrel and image pickup device A lens barrel, includes: an image pickup optical system comprising a plurality of lens groups; a plurality of barrel members which house the image pickup optical system therein; and a drive source which moves at least two lens groups in the image pickup optical syst... | 02/09/2010 |
| 7598025 | Hologram silver halide photographic material, hologram and method for producing the same The present invention is characterized to provide a hologram silver halide photographic material having high sensitivity and diffraction efficiency, providing an excellent image and having less color residue and noise in a transparent part, a hologram, a method for ... | 10/06/2009 |
