Patents by Inventor Yukako Taka
Yukako Taka 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: 9778402Abstract: The light reflective film has improved adhesive property between a light reflective layer and a hard coat layer. The light reflective film has a high refractive index layer, a low refractive index layer, a resin adhesive layer, and a hard coat layer laminated on a substrate, in this order. The hard coat layer has an active energy ray-curable resin. The resin adhesive layer has at least one resin selected from polyvinyl acetal resins, acrylic resins, and urethane resins.Type: GrantFiled: August 6, 2013Date of Patent: October 3, 2017Assignee: KONICA MINOLTA, INC.Inventor: Yukako Taka
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Publication number: 20170129220Abstract: Provided is a film for laminated glass, the film exhibiting satisfactory in-plane uniformity when processed into a laminated glass, and excellent processing suitability for a glass having a curved surface. Provided is also a laminated glass provided with the film for laminated glass. The film for laminated glass of the present invention is a film for laminated glass, which has a resin film; and an optically functional layer containing a polymer on at least one surface of the resin film, and in which the heat shrinkage rate (S1) of the film for laminated glass and the heat shrinkage rate (S2) of the resin film obtainable after the films are left to stand for 30 minutes in an environment at 130° C. are respectively adjusted so as to satisfy the following expression (I) in a direction in the plane as well as a direction orthogonal thereto: 0.60?S1/S2?0.Type: ApplicationFiled: May 27, 2015Publication date: May 11, 2017Applicant: Konica Minolta, Inc.Inventor: Yukako TAKA
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Publication number: 20170038508Abstract: A light reflective film roll may include a core main body formed in a cylindrical shape and having a length in a width direction of 1.2 m or more; a cushion layer formed by a foamed resin and provided on an outer surface of the core main body; and a light reflective film including a light reflective membrane, which has a reflection unit formed by alternately laminating a high refractive index layer and a low refractive index layer, a pressure sensitive adhesive layer at one outermost layer of the light reflective membrane, and a hard coat layer at the other outermost layer of the light reflective membrane. The light reflective film may be wound up on the outer surface of the cushion layer.Type: ApplicationFiled: March 20, 2015Publication date: February 9, 2017Inventor: YUKAKO TAKA
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Patent number: 9519081Abstract: Provided are an optical laminate film superior in film flexibility and film surface uniformity, has high light transmittance in a predetermined wavelength region, and is superior in light shielding properties in another predetermined wavelength region, an infrared shielding film, a method of manufacturing an infrared shielding film, and an infrared shielding body provided with the infrared shielding film. The optical laminate film has, on a substrate, at least one unit constituted of a high refractive index layer and a low refractive index layer containing metal oxide particles and silanol modified polyvinyl alcohol.Type: GrantFiled: December 10, 2012Date of Patent: December 13, 2016Assignee: KONICA MINOLTA, INC.Inventors: Yukako Taka, Takahiko Nojima
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Publication number: 20160259102Abstract: To provide a light-reflecting film that, while ensuring tight adhesiveness to an adherend having a curved surface, leaves little adhesive residue when peeled from an adherend for the purposes of re-attaching, can be re-attached, and is excellent in durability and heat ray-shielding conductance.Type: ApplicationFiled: December 12, 2014Publication date: September 8, 2016Inventor: Yukako TAKA
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Publication number: 20150219810Abstract: [Problem] The present invention provides a light reflective film in which adhesive property between a light reflective layer and a hard coat layer is improved. [Solution] A light reflective film which a light reflective layer comprising a high refractive index layer and a low refractive index layer, a resin adhesive layer, and a hard coat layer are laminated on a substrate in this order, wherein the hard coat layer comprises an active energy ray-curable resin, and the resin adhesive layer comprises at least one member selected from the group consisting of polyvinyl acetal resins, acrylic resins, and urethane resins.Type: ApplicationFiled: August 6, 2013Publication date: August 6, 2015Inventor: Yukako Taka
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Publication number: 20140320956Abstract: Provided are an optical laminate film superior in film flexibility and film surface uniformity, has high light transmittance in a predetermined wavelength region, and is superior in light shielding properties in another predetermined wavelength region, an infrared shielding film, a method of manufacturing an infrared shielding film, and an infrared shielding body provided with the infrared shielding film. The optical laminate film has, on a substrate, at least one unit constituted of a high refractive index layer and a low refractive index layer containing metal oxide particles and silanol modified polyvinyl alcohol.Type: ApplicationFiled: December 10, 2012Publication date: October 30, 2014Inventors: Yukako Taka, Takahiko Nojima
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Publication number: 20060233977Abstract: An ink-jet recording sheet is disclosed. The ink accepting porous layer comprises a hydrophilic binder containing a polymer compound crosslinked via irradiation of ionizing radiation, micro particles, and at least one component selected from the group consisting of (A) a nitrogen-containing compound, (B) a sulfur-containing compound, (C) a phenol compound and (D) a polyvalent metal salt.Type: ApplicationFiled: June 13, 2006Publication date: October 19, 2006Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Yukako Taka, Yoshinori Tsubaki
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Publication number: 20060210729Abstract: An ink-jet recording sheet containing a non water absorptive support having thereon at least three ink absorptive layers C, B and A in that order, each of the three layers comprises inorganic microparticles and a binder, wherein the ink absorptive layer A contains a dispersion of the inorganic microparticles dispersed in the presence of a water soluble multivalent metal compound; and an order of an amount of liquid transfer for the three ink absorptive layers is: the layer B<the layer C<the layer A, provided that the amount of liquid transfer is measured with a Bristow's method which is defined by J. TAPPI Paper Pulp Test Method No. 51-87 using a mixture of diethylene glycol/triethylene glycol monobutyl ether/water, having a weight ratio of 15:15:70, with a contact time of 0.04 seconds.Type: ApplicationFiled: March 8, 2006Publication date: September 21, 2006Inventors: Yukako Taka, Toshihiko Iwasaki, Hideo Sugimoto
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Publication number: 20060188670Abstract: A recording medium producing method comprising a step of coating a coating liquid which is a mixture of an inorganic fine particle dispersion and a water-soluble binder on a support, wherein the inorganic fine particle dispersion is prepared by a process comprising the steps of heating the inorganic fine particle dispersion at a temperature of from 45° C. to 60° C. for a time of from 0.5 to 5 hours, standing the inorganic fine particle dispersion at a temperature of from 10° C. to 40° C. for a time of from 0.5 to 5 hours, and mixing the inorganic fine particle dispersion is mixed with the water-soluble binder. This invention provides a method for producing a recording medium for ink-jet recording by supplying a coating liquid which is stable in the viscosity Without increasing during standing period and a recording medium produced by the producing method which has no coating defect and gives high image density.Type: ApplicationFiled: February 10, 2006Publication date: August 24, 2006Inventors: Shigeru Kojima, Rieko Ren, Yukako Taka
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Patent number: 7090903Abstract: An ink-jet recording sheet, comprising a support having thereon a porous ink receiving layer, the porous ink receiving layer including inorganic particles, a hydrophilic binder and a polymer, wherein the polymer has a plurality of carbon-carbon unsaturated bonds, provided that the unsaturated bonds are non-aromatic; the polymer has a recurring unit derived from butadiene or isoprene.Type: GrantFiled: September 26, 2003Date of Patent: August 15, 2006Assignee: Konica CorporationInventors: Eisaku Katoh, Atsushi Tomotake, Toshihiko Iwasaki, Masayuki Ushiku, Junji Ito, Yukako Taka
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Publication number: 20060093760Abstract: An ink-jet recording sheet comprising a non-water absorbing support having thereon at least two simultaneously coated ink-absorbing layers, each ink-absorbing layer containing silica particles, wherein: (i) an outermost layer of the ink-absorbing layers and a layer adjacent to the outermost layer each contains a water-soluble multivalent metal compound; (ii) the outermost layer is formed by a coating composition having an average zeta potential of not less than +50 mV at 25° C.; (iii) a MOx/2/SiO2 value in the layer adjacent to the outermost layer is in the range of 0.005-0.Type: ApplicationFiled: October 19, 2005Publication date: May 4, 2006Inventors: Yukako Taka, Toshihiko Iwasaki
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Publication number: 20050089652Abstract: An inkjet recording sheet comprising on a water-nonabsorptive support a porous ink absorptive layer, wherein; said porous ink absorptive layer is formed by utilizing a composition containing inorganic micro-particles, polyvinyl alcohol and an organic polymer having an epoxy group, and contains a polyvalent metal compound provided with a polyvalent metal element.Type: ApplicationFiled: October 25, 2004Publication date: April 28, 2005Inventors: Kenzo Kasahara, Toshihiko Iwasaki, Junji Ito, Yukako Taka
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Publication number: 20050003179Abstract: An ink jet recording material is disclosed, comprising a support having thereon a porous ink receiving layer containing inorganic particles, a polyvinyl alcohol exhibiting a degree of saponification of not less than 95 mol % and a compound represented by the following formula and having a molecular weight of not more than 200:Type: ApplicationFiled: June 10, 2004Publication date: January 6, 2005Applicant: Konica Minolta Photo Imaging, Inc.Inventors: Junji Ito, Toshihiko Iwasaki, Kenzo Kasahara, Yukako Taka
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Publication number: 20040253394Abstract: A package comprising: (i) a plurality of ink-jet recording sheets stacked one on top of the other, wherein each of said ink-jet recording sheet has an ink receptive layer as a top layer; (ii) a protective sheet which is placed on a top ink-jet recording sheet of said plurality of ink-jet recording sheet, said protective sheet having a water-resistant surface, said water-resistant surface facing said ink receptive layer of said top ink-jet recording sheet, wherein said water-resistant surface has a center-line mean roughness (Ra) of 0.2-3 &mgr;m measured based on JIS B 0601 with a reference length of 2.5 mm and a cut-off value of 0.8 mm; and (iii) an envelop sheet surrounding said plurality of ink-jet recording sheets and said protective sheet thereby forming said package.Type: ApplicationFiled: June 3, 2004Publication date: December 16, 2004Applicant: Konica Minolta Photo Imaging, Inc.Inventors: Harue Ebisawa, Yukako Taka
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Publication number: 20040185193Abstract: An ink-jet recording sheet comprising a paper support coated with a polyolefin resin on both sides of the paper support, the polyolefin resin-coated paper support having thereon a porous ink receptive layer containing a hydrophilic polymer, wherein the paper support has a ratio of a Cobb value to a basis weight of not more than 0.05:1 to 0.4:1.Type: ApplicationFiled: March 16, 2004Publication date: September 23, 2004Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Yukako Taka, Keiji Ohbayashi
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Publication number: 20040161554Abstract: An ink-jet recording sheet comprising a support having thereon an ink absorptive layer containing a multivalent metal compound which is coordinated with an amino acid.Type: ApplicationFiled: February 10, 2004Publication date: August 19, 2004Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Yoshihiko Suda, Toshihiko Iwasaki, Junji Ito, Yukako Taka
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Publication number: 20040091646Abstract: An ink-jet recording sheet is disclosed. The ink accepting porous layer comprises a hydrophilic binder containing a polymer compound crosslinked via irradiation of ionizing radiation, micro particles, and at least one component selected from the group consisting of (A) a nitrogen-containing compound, (B) a sulfur-containing compound, (C) a phenol compound and (D) a polyvalent metal salt.Type: ApplicationFiled: October 30, 2003Publication date: May 13, 2004Applicant: KONICA MINOLTA HOLDINGS, INC.Inventors: Yukako Taka, Yoshinori Tsubaki
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Publication number: 20040065230Abstract: An ink-jet recording sheet, comprising a support having thereon a porous ink receiving layer, the porous ink receiving layer including inorganic particles, a hydrophilic binder and a polymer, wherein the polymer has a plurality of carbon-carbon unsaturated bonds, provided that the unsaturated bonds are non-aromatic; the polymer has a recurring unit derived from butadiene or isoprene.Type: ApplicationFiled: September 26, 2003Publication date: April 8, 2004Applicant: Konical CorporationInventors: Eisaku Katoh, Atsushi Tomotake, Toshihiko Iwasaki, Masayuki Ushiku, Junji Ito, Yukako Taka