Patents by Inventor Takayuki Shigematsu
Takayuki Shigematsu 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: 20160199343Abstract: The present invention relates to the treatment of wounds.Type: ApplicationFiled: August 25, 2014Publication date: July 14, 2016Applicant: Nitto Denko CorporationInventors: Geofrey De Visscher, Walter Eevers, Nicolas Schüwer, Takayuki Shigematsu, Mayu Takeiri, Jeffrey A. Hubbell, Federico Tortelli, De Titta Alexandre, Sandra Amiguet Vercher
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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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Patent number: 8062731Abstract: An antireflection hard coating film of the invention comprises: a transparent plastic film substrate; and at least one hard coating layer of a cured coating layer and at least one antireflection layer that are formed in this order on at least one side of the transparent plastic film substrate, wherein a hard coating layer-forming material contains 100 parts by weight of a (meth)acrylate group-containing curable compound (A) and 0.01 to 3 parts by weight of a (meth)acrylate group-containing reactive silicone (B), and an antireflection layer-forming material contains a siloxane component-containing compound, at the interface between the hard coating layer and the antireflection layer being in direct contact with each other. The antireflection hard coating film has good adhesion between the hard coating layer and the antireflection layer, high hardness, and good scratch resistance without a reduction in antireflection properties.Type: GrantFiled: January 13, 2006Date of Patent: November 22, 2011Assignee: Nitto Denko CorporationInventors: Katsunori Takada, Takayuki Shigematsu
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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: 7651776Abstract: A curing resin composition which enables formation of an antireflection layer having good antiscratchability and a cured film obtained from such a curing resin composition are disclosed. The curing resin composition contains (A) a siloxane oligomer having an average molecular weight of 500-10000 in terms of ethylene glycol and (B) a fluorine compound having a number-average molecular weight of 5000 or more in terms of polystyrene and having a fluoroalkyl structure and a polysiloxane structure.Type: GrantFiled: November 17, 2003Date of Patent: January 26, 2010Assignee: Nitto Denko CorporationInventors: Masahiro Yoshioka, Minoru Miyatake, Takayuki Shigematsu
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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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Patent number: 7569269Abstract: A hard coat film of the present invention comprises a hard coat layer, which is a cured coat layer, provided on at least one side of a transparent plastic film substrate, wherein a hard coat layer forming material comprises urethane acrylate (A); isocyanuric acid acrylate (B) and inorganic ultrafine particles (C), and has a high hardness and suppresses curling due to cracking and cure shrinkage.Type: GrantFiled: September 26, 2005Date of Patent: August 4, 2009Assignee: Nitto Denko CorporationInventors: Katsunori Takada, Daisuke Hamamoto, 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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Publication number: 20090049146Abstract: An improved system and method for data transmission is provided without changing the configuration of a client. A data-reading server (2) receives an e-mail including a URL from an e-mail client (6), extracts the URL from the e-mail, and accesses a Web server (4) via an internal network (160) to receive. Web data. The data-reading server (2) composes an e-mail by converting the received data into data in an MIME format and transmits the e-mail to the e-mail client (6). The user of the e-mail client (6) can read the Web page in an intranet from outside the intranet through an e-mail browser.Type: ApplicationFiled: November 4, 2005Publication date: February 19, 2009Inventors: Makoto Okita, Takayuki Shigematsu
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Publication number: 20080160257Abstract: An antireflection hard coating film of the invention comprises: a transparent plastic film substrate; and at least one hard coating layer of a cured coating layer and at least one antireflection layer that are formed in this order on at least one side of the transparent plastic film substrate, wherein a hard coating layer-forming material contains 100 parts by weight of a (meth)acrylate group-containing curable compound (A) and 0.01 to 3 parts by weight of a (meth)acrylate group-containing reactive silicone (B), and an antireflection layer-forming material contains a siloxane component-containing compound, at the interface between the hard coating layer and the antireflection layer being in direct contact with each other. The antireflection hard coating film has good adhesion between the hard coating layer and the antireflection layer, high hardness, and good scratch resistance without a reduction in antireflection properties.Type: ApplicationFiled: January 13, 2006Publication date: July 3, 2008Applicant: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Takayuki Shigematsu
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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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Publication number: 20070291367Abstract: A hard-coated antiglare film is provided that is excellent in antiglare properties and image sharpness and that can prevent glare from occurring. The hard-coated antiglare film includes a transparent plastic film substrate and a hard-coating antiglare layer that is formed on at least one surface of the transparent plastic film substrate and that is formed of fine particles and a curable hard-coating resin. The hard-coating antiglare layer has a thickness in the range of 20 to 30 ?m. The fine particles have a weight average particle size in the range of 7 to 15 ?m. The difference obtained by subtracting the refractive index of the fine particles from that of the curable hard-coating resin that has been cured is in the range of ?0.06 to ?0.01 or 0.01 to 0.06.Type: ApplicationFiled: June 14, 2007Publication date: December 20, 2007Applicant: NITTO DENKO CORPORATIONInventors: Daisuke HAMAMOTO, Hiroyuki TAKAO, Yuuichi KIMURA, Katsunori TAKADA, Seiichi KUSUMOTO, Takayuki SHIGEMATSU
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Publication number: 20070268587Abstract: 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: ApplicationFiled: May 14, 2007Publication date: November 22, 2007Applicant: NITTO DENKO CORPORATIONInventors: Masaki NINOMIYA, Seiichi KUSUMOTO, Daisuke HAMAMOTO, Hiroyuki TAKAO, Takayuki SHIGEMATSU
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Publication number: 20070253066Abstract: A hard-coated antiglare film is provided that has high hardness and excellent antiglare properties and can prevent white blur from occurring when viewed from oblique directions. The hard-coated antiglare film of the present invention includes a transparent plastic film substrate and a hard-coating antiglare layer that is formed of fine particles and a hard-coating resin on at least one surface of the transparent plastic film substrate. The hard-coating antiglare layer has a thickness 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 antiglare layer, in the unevenness of the hard-coating antiglare layer surface that is formed by the fine particles, an average tilt angle ?a is 1.0° to 2.0°, and an arithmetic average surface roughness Ra according to JIS B 0601 (1994 version) is 0.12 to 0.30 ?m.Type: ApplicationFiled: April 24, 2007Publication date: November 1, 2007Applicant: NITTO DENKO CORPORATIONInventors: Hiroyuki Takao, Daisuke Hamamoto, Masaki Ninomiya, Seiichi Kusumoto, Takayuki Shigematsu
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Publication number: 20070242362Abstract: 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: ApplicationFiled: March 26, 2007Publication date: October 18, 2007Applicant: NITTO DENKO CORPORATIONInventors: Katsunori Takada, Hiroyuki Takao, Seiichi Kusumoto, Daisuke Hamamoto, Takayuki Shigematsu
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Publication number: 20070237966Abstract: 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: ApplicationFiled: March 26, 2007Publication date: October 11, 2007Applicant: NITTO DENKO CORPORATIONInventors: Hiroyuki Takao, Daisuke Hamamoto, Katsunori Takada, Seiichi Kusumoto, Yuuichi Kimura, Takayuki Shigematsu
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Patent number: 7264865Abstract: An optical diffusing layer includes a resin coated layer having a surface fine concavo-convex structure. An average of peak-to-peak distance (Sm), an average of center line surface roughness (Ra), and an average of ten-point surface roughness (Rz) on the surface with fine concavo-convex structure satisfy specified equations, and the optical diffusing layer is capable of maintaining antiglare property and screen glare simultaneously controlled, when applied to an LCD in which high definition is required.Type: GrantFiled: November 8, 2004Date of Patent: September 4, 2007Assignee: Nitto Denko CorporationInventors: Takuya Matsunaga, Hiroshi Shibata, Takayuki Shigematsu, Masayuki Satake, Takashi Shouda
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Publication number: 20070178297Abstract: A hard coat film of the present invention comprises a hard coat layer, which is a cured coat layer, provided on at least one side of a transparent plastic film substrate, wherein a hard coat layer forming material comprises urethane acrylate (A); isocyanuric acid acrylate (B) and inorganic ultrafine particles (C), and has a high hardness and suppresses curling due to cracking and cure shrinkage.Type: ApplicationFiled: September 26, 2005Publication date: August 2, 2007Applicant: Nitto Denko CorporationInventors: Katsunori Takada, Daisuke Hamamoto, Takayuki Shigematsu
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Patent number: 7161743Abstract: A light diffusing sheet of a structure in which a light diffusing layer is formed on at least one surface of a transparent film, the light diffusing layer including a resin coat layer having a minute unevenness shape and a low refractive index layer having a refractive index lower than that of the resin coat layer on the surface having a minute unevenness shape thereof, whereby the sheet can retain antiglare property, shows almost no white blurring to be recognized due to surface scattering, exhibits almost no birefringence, and is excellent in adherence and durability even when applied to a high definition LCD.Type: GrantFiled: May 16, 2003Date of Patent: January 9, 2007Assignee: Nitto Denko CorporationInventors: Akihiro Nishida, Shuuji Yano, Hiroe Maeda, Takashi Kondou, Takezou Hatanaka, Takayuki Shigematsu