Patents by Inventor Hiroyuki Takao
Hiroyuki Takao 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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Publication number: 20120263947Abstract: A pressure-sensitive adhesive layer-attached transparent resin film of the invention includes a first transparent resin film, an oligomer blocking layer, and a pressure-sensitive adhesive layer, which are laminated in this order, wherein the oligomer blocking layer is made of a curing product of alkoxysilane and/or a partial condensate thereof, and the oligomer blocking layer has a thickness of 5 nm to 35 nm. The pressure-sensitive adhesive layer-attached transparent resin film can has satisfactory oligomer-blocking properties as desired, and provides good adhesion of the oligomer blocking layer.Type: ApplicationFiled: April 6, 2012Publication date: October 18, 2012Applicant: NITTO DENKO CORPORATIONInventors: Hiroki Ozawa, Hiroyuki Takao, Hideo Sugawara
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Publication number: 20120237729Abstract: A transparent conductive film having a transparent polymer substrate and a transparent conductive layer on one main surface of the transparent polymer substrate. A cured resin layer with surface irregularities is formed: at least one of: between the transparent polymer substrate and the transparent conductive layer; and on the main surface opposite to the surface with the transparent conductive layer formed thereon of the transparent polymer substrate. The cured resin layer is preferably 1 ?m or more and 3 ?m or less in thickness and preferably contains a resin composition containing at least two components that undergo phase separation based on a difference in physical properties and 0.01 to 5 parts by weight of fine particles to 100 parts by weight of the solid content of the resin composition. The particle size of the fine particles is preferably 25 to 80% of the thickness of the cured resin layer.Type: ApplicationFiled: March 16, 2012Publication date: September 20, 2012Applicant: NITTO DENKO CORPORATIONInventors: Hiroki Ozawa, Hiroyuki Takao, Minoru Kanatani, Wataru Nagatake
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Patent number: 8124215Abstract: A hard-coated antiglare film is provided that has high hardness, high scratch resistance, and good antiglare properties. In the hard-coated antiglare film of the present invention including a transparent plastic film substrate, a hard-coating layer containing fine particles is formed on at least one surface of the transparent plastic film substrate, the hard-coating layer has a thickness in the range of 15 to 30 ?m, the fine particles have a weight average particle size of 30 to 75% of a thickness of the hard-coating layer, the average tilt angle ?a of the unevenness of the hard-coating layer surface is in the range of 0.4° to 1.5°, and the hard-coating layer is formed using a resin for forming the hard-coating layer containing three specific resin components.Type: GrantFiled: March 26, 2007Date of Patent: February 28, 2012Assignee: Nitto Denko CorporationInventors: Hiroyuki Takao, Daisuke Hamamoto, Katsunori Takada, Seiichi Kusumoto, Yuuichi Kimura, Takayuki Shigematsu
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Publication number: 20120022885Abstract: This application discloses a treatment support system making it easy for a physician in charge to ask another specialist physician, especially another expert physician, for an opinion. The support system is much useful in providing an optimal treatment for an emergency disease, reviewing an expert-physician's opinion.Type: ApplicationFiled: January 18, 2011Publication date: January 26, 2012Applicant: TRYFOR CO., LTD.Inventors: Yuichi MURAYAMA, Hiroyuki TAKAO
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Publication number: 20110157525Abstract: The present invention provides a polarizer protective film capable of suppressing blocking that occurs in taking up the film. The polarizer protective film of the present invention includes a (meth)acrylic resin film and an easy-adhesion layer formed of an easy-adhesive composition including a urethane resin and fine particles. The fine particles include preferably colloidal silica.Type: ApplicationFiled: June 1, 2009Publication date: June 30, 2011Applicants: NITTO DENKO CORPORATION, NIPPON SHOKUBAI CO., LTD.Inventors: Tatsuya Yamasaki, Takeshi Saitou, Hiroyuki Takao, Youichirou Sugino, Yuuji Yamashita
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Patent number: 7968183Abstract: A hard-coating layer is formed on at least one surface of a transparent plastic film substrate using a material for forming a hard-coating layer. The material contains Components A, B, and C. Component A is at least one of urethane acrylate and urethane methacrylate. Component B is at least one of polyol acrylate and polyol methacrylate. Component C is a polymer containing a repeating unit represented by General Formula 1 indicated below.Type: GrantFiled: March 26, 2007Date of Patent: June 28, 2011Assignee: Nitto Denko CorporationInventors: Katsunori Takada, Hiroyuki Takao, Seiichi Kusumoto, Daisuke Hamamoto, Takayuki Shigematsu
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Patent number: 7963660Abstract: There is provided an antiglare hard-coated film that can maintain antiglare properties and suppress a reduction in the display contrast of a display, when composed of a transparent plastic film substrate and an antiglare hard coat layer formed thereon. The antiglare hard-coated film 4 includes a transparent film substrate 1 and a hard coat layer 2 that is provided on at least one side of the transparent film substrate 1, contains fine particles 2b, and has an irregular surface, wherein the fine particles 2b have an average particle size of 6 ?m to 15 ?m and form irregularities with an average slope angle ?a of 0.4° to 1.5°, and the antiglare hard-coated film satisfies the relation: {(the contrast ratio)/(the contrast ratio of a hard-coated film without the fine particles)}×100?60%.Type: GrantFiled: May 18, 2006Date of Patent: June 21, 2011Assignee: Nitto Denko CorporationInventors: Daisuke Hamamoto, Hiroyuki Takao, Yuuichi Kimura, Katsunori Takada, Seiichi Kusumoto, Takayuki Shigematsu
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Patent number: 7901746Abstract: A transparent conductive film of the present invention comprises: a transparent film substrate; a hard-coating layer provided on one side of the transparent film substrate; and a transparent conductive thin layer provided on another side of the transparent film substrate, wherein the hard-coating layer is made from a material containing a urethane acrylate, a polyol (meth)acrylate and a (meth)acrylic polymer having an alkyl group containing two or more hydroxyl groups. The transparent conductive film of the present invention has good scratch resistance.Type: GrantFiled: January 12, 2007Date of Patent: March 8, 2011Assignee: Nitto Denko CorporationInventors: Tomonori Noguchi, Katsunori Takada, Hiroyuki Takao, Daisuke Hamamoto
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Patent number: 7803228Abstract: By using oxygen-containing silicon wafers obtained by the CZ method and by combining the first heat treatment comprising controlled heat-up operation (ramping) with the second heat treatment comprising high-temperature heat treatment and medium temperature heat treatment in accordance with the process for producing high-resistance silicon wafers according to the present invention, it is possible to obtain high-resistance silicon wafers capable of maintaining their high resistance even after heat treatment in the process of device manufacture while efficiently inhibiting the formation of oxygen donors and preventing changes in resistivity. Further, excellent epitaxial wafers and SOI wafers can be produced using those high-resistance silicon wafers and, therefore, they can be applied in a wide field including high-frequency communication devices and analog/digital hybrid devices, among others.Type: GrantFiled: August 2, 2004Date of Patent: September 28, 2010Assignee: Sumco CorporationInventors: Kazunari Kurita, Shinsuke Sadamitsu, Hiroyuki Takao, Masataka Hourai
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Publication number: 20100182690Abstract: Provided are an optical film which has excellent heat resistance and excellent optical transparency as well as an excellent UV-absorbing ability even in the wavelength range of 200 to 350 nm, and which is free of any defect in terms of its external appearance, a polarizing plate having a few external appearance defects and using the optical film, and an image display apparatus of high quality using the polarizing plate. The optical film of the present invention is obtained through extrusion molding of a molding material containing resin components containing a (meth)acrylic resin as a main component and 0.35 to 3.0 parts by weight of a cyanoacrylate-based UV absorber with respect to 100 parts by weight of the resin components.Type: ApplicationFiled: May 20, 2008Publication date: July 22, 2010Applicant: NITTO DENKO CORPORATIONInventors: Hiroyuki Takao, Tsutomu Hani
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Publication number: 20100047484Abstract: Provided is a polarizer protective film of thin type, which has excellent heat resistance and excellent transparency as well as excellent UV-absorbing ability, has good external appearance of a film surface, and can be stably produced by film forming. The polarizer protective film of the present invention includes a resin layer (A) and a resin layer (B1) in the stated order, in which the resin layer (A) is a resin layer containing a (meth) acrylic resin as a main component and contains a UV absorber at a ratio of 0.5 to 10 wt % with respect to a resin component contained in the resin layer (A), and the resin layer (B1) is a resin layer containing a (meth) acrylic resin as a main component and contains a UV absorber at a ratio of more than 0 wt % and 2 wt % or less with respect to a resin component contained in the resin layer (B1).Type: ApplicationFiled: December 5, 2007Publication date: February 25, 2010Applicant: NITTO DENKO CORPORATIONInventors: Hitoshi Kitagishi, Daisuke Hattori, Nobuyuki Haida, Tsutomu Hani, Hiroyuki Takao
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Publication number: 20100033810Abstract: Provided is a polarizer protective film of thin type, which has excellent heat resistance and excellent transparency as well as excellent UV-absorbing ability, has good external appearance of a film surface, and can be stably produced by film forming. The polarizer protective film of the present invention includes a resin layer (A) and a resin layer (B1) in the stated order, in which the resin layer (A) is a resin layer containing a (meth)acrylic resin as a main component and contains a UV absorber at a ratio of 0.5 to 10 wt % with respect to a resin component contained in the resin layer (A), and the resin layer (B1) is a resin layer containing, as a main component, a thermoplastic resin other than a (meth) acrylic resin.Type: ApplicationFiled: December 5, 2007Publication date: February 11, 2010Applicant: NITTO DENKO CORPORATIONInventors: Nobuyuki Haida, Daisuke Hattori, Tsutomu Hani, Hiroyuki Takao, Hitoshi Kitagishi
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Publication number: 20100020396Abstract: Provided are: a polarizer protective film, which is allowed to express excellent UV-absorbing ability by using a UV-absorbing monomer as a raw material, has excellent heat resistance and excellent optical transparency, and has much less coloring and foaming; a polarizing plate with less defects in an outer appearance, using the polarizer protective film; and an image display apparatus of high quality, using the polarizing plate. The polarizer protective film of the present invention has a light transmittance at 380 nm in a thickness of 80 ?m of 30% or less, and is obtained by molding a forming material that contains a resin component containing as a main component a (meth)acrylic resin obtained by polymerizing a monomer composition containing a UV-absorbing monomer and a (meth)acrylic monomer by extrusion molding.Type: ApplicationFiled: September 27, 2007Publication date: January 28, 2010Applicants: NIPPON SHOKUBAI CO., LTD., NITTO DENKO CORPORATIONInventors: Hiroko Izumi, Yoshitomo Nakata, Ken-Ichi Ueda, Daisuke Hattori, Tadashi Kojima, Hiroyuki Takao, Tsutomu Hani
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Publication number: 20090313670Abstract: Provided is a television receiver including a multiscreen function and a web browser function and capable of performing web browser page transition without requiring manual operation of a viewer. The television receiver can perform a multiscreen display, i.e., simultaneously displaying input video data received from a plurality of video sources and a web page associated with the input video data acquired by the web browser from an external web site via communication means on single display means. The television receiver includes browser processing means for specifying an active screen (such as a screen specified by a viewer, a screen in which the video source has been changed, and a screen corresponding to input video data for which audio is output) from the screens in the multiscreen display, acquiring associated information from the input video data corresponding to the active screen, and performing multiscreen display of the web page corresponding to the associated information acquired by the web browser.Type: ApplicationFiled: July 18, 2006Publication date: December 17, 2009Inventor: Hiroyuki TAKAO
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Patent number: 7604358Abstract: A hard-coated antiglare film that has excellent antiglare properties, prevents a glare phenomenon from occurring, and prevents white blur from occurring to have excellent display contrast in bright light. The hard-coated antiglare film includes a transparent plastic film substrate and a hard-coating antiglare layer containing fine particles. The hard-coating antiglare layer is formed on at least one surface of the transparent plastic film substrate. The hard-coating antiglare layer has a surface with an uneven structure. The hard-coated antiglare film has a total haze value ht in the range of 40 to 70%. The relationship between the total haze value ht and an inner haze value hi obtained due to scattering inside the hard-coating antiglare layer is a relationship of the total haze value ht?the inner haze value hi.Type: GrantFiled: May 14, 2007Date of Patent: October 20, 2009Assignee: Nitto Denko CorporationInventors: Masaki Ninomiya, Seiichi Kusumoto, Daisuke Hamamoto, Hiroyuki Takao, Takayuki Shigematsu
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Publication number: 20090086326Abstract: There is provided an antiglare hard-coated film that can maintain antiglare properties and suppress a reduction in the display contrast of a display, when composed of a transparent plastic film substrate and an antiglare hard coat layer formed thereon. The antiglare hard-coated film 4 includes a transparent film substrate 1 and a hard coat layer 2 that is provided on at least one side of the transparent film substrate 1, contains fine particles 2b, and has an irregular surface, wherein the fine particles 2b have an average particle size of 6 ?m to 15 ?m and form irregularities with an average slope angle ?a of 0.4° to 1.Type: ApplicationFiled: May 18, 2006Publication date: April 2, 2009Applicant: NITTO DENKO CORPORATIONInventors: Daisuke Hamamoto, Hiroyuki Takao, Yuuichi Kimura, Katsunori Takada, Seiichi Kusumoto, Takayuki Shigematsu
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Patent number: 7507436Abstract: The present invention relates to a method of producing an electroconductive cellulose-based film having high uniformity and transparency and excellent in optical properties while preventing a bleaching phenomenon at the time of forming an electroconductive layer. The method of producing an electroconductive cellulose-based film according to the present invention is a method of producing an electroconductive cellulose-based film by coating a cellulose-based film with a coating solution containing a binder, superfine particles and a solvent to form an electroconductive layer thereon, wherein the coating solution comprises at least one kind of glycol monoalkyl ether-based solvent selected from the group consisting of ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, propylene glycol monomethyl ether, and propylene glycol monoethyl ether in an amount of 20 to 40% by weight based on the total solvent, and a ketone-based solvent in an amount of 20 to 50% by weight based on the total solvent.Type: GrantFiled: July 1, 2004Date of Patent: March 24, 2009Assignee: Nitto Denko CorporationInventors: Shinya Nakano, Hiroyuki Takao, Masahiro Yoshioka
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Publication number: 20090029151Abstract: A transparent conductive film of the present invention comprises: a transparent film substrate; a hard-coating layer provided on one side of the transparent film substrate; and a transparent conductive thin layer provided on another side of the transparent film substrate, wherein the hard-coating layer is made from a material containing a urethane acrylate, a polyol (meth)acrylate and a (meth)acrylic polymer having an alkyl group containing two or more hydroxyl groups. The transparent conductive film of the present invention has good scratch resistance.Type: ApplicationFiled: January 12, 2007Publication date: January 29, 2009Applicant: NITTO DENKO CORPORATIONInventors: Tomonori Noguchi, Katsunori Takada, Hiroyuki Takao, Daisuke Hamamoto
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Patent number: 7390099Abstract: There are provided a hard-coated antiglare film with high hardness, high scratch resistance and good antiglare properties, a method of manufacturing the film, an optical element using the film, and an image display including the film or the optical element. The hard-coated antiglare film of the invention includes a transparent film substrate and a hard-coating layer that contains fine particles and is formed on at least one side of the transparent film substrate, wherein the hard-coating layer has a thickness of 15 ?m to 30 ?m, the fine particles have an average particle size of 30% to 75% of the thickness of the hard-coating layer, and the fine particles form unevenness with a ?a value of 0.4° to 1.5° according to JIS B 0601.Type: GrantFiled: December 21, 2005Date of Patent: June 24, 2008Assignee: Nitto Denko CorporationInventors: Hiroyuki Takao, Daisuke Hamamoto, Katsunori Takada, Seiichi Kusumoto, Yuuichi Kimura, Takayuki Shigematsu
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Patent number: 7316745Abstract: A high-resistance silicon wafer is manufactured, in which a gettering ability and economical efficiency is excellent and an oxygen thermal donor is effectively prevented from being generated in a heat treatment for forming a circuit, which is to be implemented on the side of a device manufacturer. In order to implement the above, a high-temperature heat treatment at 1100° C. or higher is performed on a carbon doped high-resistance and high-oxygen silicon wafer in which specific resistivity is 100 ?cm or more and a carbon concentration is 5×1015 to 5×1017 atoms/cm3 so that a remaining oxygen concentration becomes 6.5×1017 atoms/cm3 or more (Old-ASTM). As this high-temperature treatment, an OD treatment for forming a DZ layer on a wafer surface, a high-temperature annealing treatment for eliminating a COP on the surface layer, a high-temperature heat treatment for forming a BOX layer in a SIMOX wafer manufacturing process and the like can be used.Type: GrantFiled: June 30, 2003Date of Patent: January 8, 2008Assignee: Sumco CorporationInventors: Shinsuke Sadamitsu, Nobumitsu Takase, Hiroyuki Takao, Koji Sueoka, Masataka Horai