Patents by Inventor Naoyoshi Yamada
Naoyoshi Yamada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9465150Abstract: A protective film for polarizing plate contains a resin, an ultraviolet absorbing agent A having an absorption maximum in a wavelength range of from 350 to 400 nm and an ultraviolet absorbing agent B having an absorption maximum in a wavelength range of from 270 to 330 nm, and a content of the ultraviolet absorbing agent A is from 0.1 to 5% by weight relative to the resin, a content of the ultraviolet absorbing agent B is from 0.1 to 5% by weight relative to the resin, and the protective film fulfills the requirements (a) to (d) as defined herein.Type: GrantFiled: December 27, 2013Date of Patent: October 11, 2016Assignee: FUJIFILM CORPORATIONInventors: Nobutaka Fukagawa, Naoyoshi Yamada, Aiko Yoshida, Yukie Watanabe
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Publication number: 20160161657Abstract: A liquid crystal display device having high transmittance and a high color reproduction region, which includes a backlight unit including a light conversion member; and a liquid crystal cell and in which the light conversion member includes a light conversion layer containing a fluorescent material and an optical film arranged on both surfaces of the light conversion layer, the optical film includes an optical thin film forming an air interface, and a layer directly adjacent to the optical thin film, the liquid crystal display device satisfies n(535)<nu(535), n(535)×d is in a specific range, transmittance of a laminated body of the optical thin film and the layer directly adjacent to the optical thin film is in a specific range, and the backlight unit emits blue light, green light, and red light.Type: ApplicationFiled: February 11, 2016Publication date: June 9, 2016Applicant: FUJIFILM CorporationInventors: Naoyoshi YAMADA, Tatsuya OBA, Yukito SAITOH, Katsufumi OHMURO, Akiko WATANO
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Publication number: 20160109632Abstract: Disclosed is an optical film in which heat resistance or moisture resistance is excellent, and visibility is able to be sufficiently ensured. In the optical film used in a display apparatus including a polarizer, Re is 1,000 nm to 30,000 nm, and Rth is ?30,000 nm to ?1,000 nm. Further, disclosed are a polarization plate including the optical film, a transparent conductive film including the optical film, a surface protection film including the optical film including the optical film, and a liquid crystal display apparatus including the optical film.Type: ApplicationFiled: December 28, 2015Publication date: April 21, 2016Applicant: FUJIFILM CorporationInventors: Ryuta TAKEGAMI, Naoyoshi YAMADA
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Publication number: 20160048057Abstract: Provided is a liquid crystal display device including a liquid crystal cell having a liquid crystal layer between two glass substrates, a front-side polarizing plate provided on a front side of the liquid crystal cell, a rear polarizer provided on a rear side of the liquid crystal cell, and a backlight provided on a rear side of the rear polarizer, in which the front-side polarizing plate has a first protective film, a polarizer, and a second protective film in this order from a surface side opposite to the liquid crystal cell, the first protective film in the front-side polarizing plate is a film including a polyester resin or a polycarbonate resin as a main component, an Re of the first protective film is 3000 nm or higher, an equilibrium moisture content of the second protective film at 25° C. and a relative humidity of 60% is in a range of 1% to 3%, and in the second protective film, a contractile force in a direction orthogonal to an absorption axis of the polarizer is 1.Type: ApplicationFiled: October 28, 2015Publication date: February 18, 2016Applicant: FUJIFILM CORPORATIONInventors: Megumi SEKIGUCHI, Hiromichi FURUKAWA, Naoyoshi YAMADA
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Publication number: 20160018578Abstract: A polarization plate includes a polarizer having polarization performance; a first protective film bonded to one surface of the polarizer through an adhesive layer 1; and a second protective film bonded to the other surface of the polarizer through an adhesive layer 2, in which a modulus of elasticity of the first protective film at 25° C. and relative humidity of 60% in an absorption axis direction of the polarizer is greater than or equal to 1.0 GPa and less than 4.0 GPa, a ratio of the modulus of elasticity of the first protective film at 25° C. and relative humidity of 60% in the absorption axis direction of the polarizer to a modulus of elasticity of the first protective film at 25° C. and relative humidity of 60% in a direction orthogonal to the absorption axis of the polarizer is less than or equal to 0.8, a modulus of elasticity of the second protective film at 25° C. and relative humidity of 60% in the absorption axis direction of the polarizer is greater than or equal to 2.0 GPa and less than 5.Type: ApplicationFiled: September 28, 2015Publication date: January 21, 2016Applicant: FUJIFILM CORPORATIONInventors: Takashi YONEMOTO, Naoyoshi YAMADA, Hiromichi FURUKAWA, Ryuji SANETO, Kazuya HISANAGA
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Publication number: 20150331282Abstract: A liquid crystal display device has a light source unit and a liquid crystal cell sandwiched by two polarizing plates. The light emitted by the light source unit has separated peaks in each of blue, green and red wavelength ranges. The green and red peaks have a full width at half maximum intensity of 20 nm or more. At least one of the polarizing plates has a polarizer and a protective film with a Re of 5,000 nm or more and low moisture permeability. The device exhibits excellent color reproducibility and prevents display nonuniformity under a high temperature and high humidity environment.Type: ApplicationFiled: May 12, 2015Publication date: November 19, 2015Applicant: FUJIFILM CORPORATIONInventors: Naoyoshi YAMADA, Shinichi NAKAI, Maki MIFUNE
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Publication number: 20150212246Abstract: There are provided a circularly polarizing plate which includes an optically anisotropic layer formed by using a discotic liquid crystal compound and an optically anisotropic layer formed by using a rod-like liquid crystal compound, inhibits an alignment defect of the rod-like liquid crystal compound, and has excellent visibility. The circularly polarizing plate has an optical laminate and a polarizing film.Type: ApplicationFiled: April 2, 2015Publication date: July 30, 2015Applicant: FUJIFILM CORPORATIONInventors: Shinpei YOSHIDA, Naoyoshi YAMADA, Hiroyuki KAIHOKO, Yusuke FURUKI
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Publication number: 20150015815Abstract: A stereo picture display apparatus with decreased cross talk without a decrease in an aperture ratio, includes a picture displaying panel and a patterned retardation plate disposed on a viewer side of a picture displaying panel which includes left eye pixels and right eye pixels which are alternatively disposed at an integer of 2 or more, and black matrices; the patterned retardation plate includes a support and a patterned optically anisotropic layer thereon, having a first and second retardation region, and a boundary, the first and second retardation regions being alternately disposed at a predetermined pitch width in stripe pattern. The first and second retardation regions are different in at least one of an in-plane slow axis direction and a retardation from each other. The black matrices disposed at a position corresponding to the boundary have a larger width than a width of the black matrices not disposed thereat.Type: ApplicationFiled: October 1, 2014Publication date: January 15, 2015Applicant: FUJIFILM CORPORATIONInventor: Naoyoshi YAMADA
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Publication number: 20140375935Abstract: An organic EL display device includes at least a polarizer layer, a ?/2 plate, a ?/4 plate and an organic EL panel in this order, and an in-plane retardation Re2(550) of the ?/4 plate at 550 nm satisfies 115?Re2(550)?155, and an in-plane retardation Re1(550) of the ?/2 plate at 550 nm satisfies Re1(550)=2×Re2(550)±50 nm.Type: ApplicationFiled: September 12, 2014Publication date: December 25, 2014Applicant: FUJIFILM CorporationInventors: Naoyoshi YAMADA, Yuusuke FURUKI, Jun WATANABE, Makoto ISHIGURO, Shinpei YOSHIDA
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Publication number: 20140185135Abstract: A protective film for polarizing plate contains a resin, an ultraviolet absorbing agent A having an absorption maximum in a wavelength range of from 350 to 400 nm and an ultraviolet absorbing agent B having an absorption maximum in a wavelength range of from 270 to 330 nm, and a content of the ultraviolet absorbing agent A is from 0.1 to 5% by weight relative to the resin, a content of the ultraviolet absorbing agent B is from 0.1 to 5% by weight relative to the resin, and the protective film fulfills the requirements (a) to (d) as defined herein.Type: ApplicationFiled: December 27, 2013Publication date: July 3, 2014Applicant: FUJIFILM CORPORATIONInventors: Nobutaka FUKAGAWA, Naoyoshi YAMADA, Aiko YOSHIDA, Yukie WATANABE
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Publication number: 20140160404Abstract: A display device for outdoor use has a display unit, and the display unit includes a polarizing plate having a light absorbing layer and a polarizer layer on a viewing side surface, the light absorbing layer includes a first light absorbing agent having at least one absorption peak in a wavelength range of from 280 to less than 360 nm and a second light absorbing agent having at least one absorption peak in a wavelength range of from 360 to 400 nm, and the light absorbing layer is disposed closer to the viewing side than the polarizer layer.Type: ApplicationFiled: December 10, 2013Publication date: June 12, 2014Applicant: FUJIFILM CORPORATIONInventors: Naoyoshi YAMADA, Yu NAITO, Nobutaka FUKAGAWA, Aiko YOSHIDA, Yukie WATANABE
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Patent number: 8675159Abstract: Disclosed is a liquid crystal display device, wherein u?on axis and v?on axis, u?max and v?max, and u?min and v?min satisfy following expressions (1), (2) and (3): u ave ? = ( u max ? - u min ? 2 ) , v ave ? = ( v max ? - v min ? 2 ) ( 1 ) ? ? ? u ? ? v ave - on ? ? axis ? = ( u ave ? - u on ? ? axis ? ) 2 + ( v ave ? - v on ? ? axis ? ) 2 ? 0.04 ( 2 ) 0.35 ? v on ? ? axis ? ? 0.55 ( 3 ) wherein u?on axis and v?on axis are hues in a black state observed in a front direction; u?max and v?max are maximum values of u? and v? in a black state among values observed in directions with an azimuth angle ranging from 0° to 360° and a polar angle of 60°; and u?min and v?min are minimum values of u? and v? in a black state among values observed in directions with an azimuth angle ranging from 0° to 360° and a polar angle of 60°.Type: GrantFiled: March 9, 2012Date of Patent: March 18, 2014Assignee: Fujifilm CorporationInventors: Hirofumi Toyama, Yujiro Yanai, Naoyoshi Yamada, Katsufumi Ohmuro, Takumi Ando
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Patent number: 8514353Abstract: A color filter including a red (R) pixel, a green (G) pixel and a blue (B) pixel, wherein at least one of the red (R) pixel, the green (G) pixel and the blue (B) pixel includes one or more kinds of dyes and one or more kinds of pigments and wherein areas of the red (R) pixel, the green (G) pixel and the blue (B) pixel are not the same.Type: GrantFiled: March 21, 2011Date of Patent: August 20, 2013Assignee: FUJIFILM CorporationInventors: Naoyoshi Yamada, Ryuji Saneto, Junichi Ito, Shigekazu Suzuki
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Publication number: 20120293734Abstract: Reduction of crosstalk of a stereoscopic display device equipped with an optically anisotropic element having a finely patterned optically anisotropic layer. The optically anisotropic element has a patterned optically anisotropic layer which contains a first retardation area and a second retardation area differing from each other in at least either the direction of in-plane slow axes or the in-plane retardation, and the first and second retardation area being alternately arranged in plane, the patterned optically anisotropic layer being disposed on a surface of a laminate having a first film and a second film, while an in-plane slow axes of the first and an in-plane slow axis the second film being orthogonal to each other.Type: ApplicationFiled: May 11, 2012Publication date: November 22, 2012Applicant: FUJIFILM CorporationInventors: Ryuji SANETO, Shinichi MORISHIMA, Masato MORITA, Naoyoshi YAMADA
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Publication number: 20120229738Abstract: Disclosed is a liquid crystal display device, wherein u?on axis and v?on axis, u?max and v?max, and u?min and v?min satisfy following expressions (1), (2) and (3): u ave ? = ( u max ? - u min ? 2 ) , ? v ave ? = ( v max ? - v min ? 2 ) ( 1 ) ? ? ? u ? ? v ave - on ? ? axis ? = ( u ave ? - u on ? ? axis ? ) 2 + ( v ave ? - v on ? ? axis ? ) 2 ? 0.04 ( 2 ) 0.35 ? v on ? ? axis ? ? 0.55 ( 3 ) wherein u?on axis and v?on axis are hues in a black state observed in a front direction; u?max and v?max are maximum values of u? and v? in a black state among values observed in directions with an azimuth angle ranging from 0° to 360° and a polar angle of 60°; and u?min and v?min are minimum values of u? and v? in a black state among values observed in directions with an azimuth angle ranging from 0° to 360° and a polar angle of 60°.Type: ApplicationFiled: March 9, 2012Publication date: September 13, 2012Applicant: FUJIFILM CORPORATIONInventors: Hirofumi TOYAMA, Yujiro YANAI, Naoyoshi YAMADA, Katsufumi OHMURO, Takumi ANDO
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Publication number: 20110234950Abstract: A color filter including a red (R) pixel, a green (G) pixel and a blue (B) pixel, wherein at least one of the red (R) pixel, the green (G) pixel and the blue (B) pixel includes one or more kinds of dyes and one or more kinds of pigments and wherein areas of the red (R) pixel, the green (G) pixel and the blue (B) pixel are not the same.Type: ApplicationFiled: March 21, 2011Publication date: September 29, 2011Applicant: FUJIFILM CORPORATIONInventors: Naoyoshi YAMADA, Ryuji SANETO, Junichi ITO, Shigekazu SUZUKI
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Patent number: 7884116Abstract: It is an object of the invention to provide a novel octahydronaphthalene derivative with an activity of inhibiting ICAM-4 expression and a pharmaceutically acceptable salt thereof. The invention encompasses, for example, agents for suppressing ICAM-1, therapeutic agents for inflammatory diseases, therapeutic agents for rheumatoid arthritis, immunosuppressive agents, and agents for suppressing cell growth, comprising N-(pyridin-3-ylmethyl)-(2E,4E)-5-[(1S,2S,4aR,6R,7S,8S,8aS)-7-hydroxy-2,6,8-trimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]-2-methylpenta-2,4-dienamide as an active ingredient.Type: GrantFiled: December 24, 2004Date of Patent: February 8, 2011Assignee: Nippon Shinyaku Co., Ltd.Inventor: Naoyoshi Yamada
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Publication number: 20070142539Abstract: It is an object of the invention to provide a novel octahydronaphthalene derivative with an activity of inhibiting ICAM-4 expression and a pharmaceutically acceptable salt thereof. The invention encompasses, for example, agents for suppressing ICAM-1, therapeutic agents for inflammatory diseases, therapeutic agents for rheumatoid arthritis, immunosuppressive agents, and agents for suppressing cell growth, comprising N-(pyridin-3-ylmethyl)-(2E,4E)-5-[(1S,2S,4aR,6R,7S,8S,8aS)-7-hydroxy-2,6,8-trimethyl-1,2,4a,5,6,7,8,8a-octahydronaphthalen-1-yl]-2-methylpenta-2,4-dienamide as an active ingredient.Type: ApplicationFiled: December 24, 2004Publication date: June 21, 2007Applicant: Nippon Shinyakau Co., LtdInventor: Naoyoshi Yamada
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Patent number: 5364794Abstract: A simplified process is provided for producing saccharides of definite chain length, such as glucose, maltose and maltooligosaccharides, each in an isolated state and with a high purity.The process comprises transferring a saccharide chain, using a saccharide chain transferase, from a saccharide chain source to a substance substantially separable from the saccharides mentioned above and treating the thus-obtained oligosaccharide with an enzyme capable of excising the saccharide chain of definite chain length in an exo manner.Type: GrantFiled: February 4, 1993Date of Patent: November 15, 1994Assignee: Nippon Shinyaku Company LimitedInventors: Yohji Ezure, Shigeaki Maruo, Katsunori Miyazaki, Naoyoshi Yamada