Patents by Inventor Yukihiro Shimamoto
Yukihiro Shimamoto 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: 20240126929Abstract: An integrated circuit that implements a MUL64 function of a SNOW-3G cipher circuit includes: a calculation circuit configured to calculate, for combinations of integers x and y satisfying n=x+y, 128 1-bit operation results N(n) that are all exclusive ORs of a logical AND of V[x] that is a value of 64-bit V of an x-th bit, and P[y] that is a value of 64-bit P of a y-th bit, where n is an integer ranging from 0 to 127, the value of 64-bit V being a first argument of the MUL64 function, the value of 64-bit P being a second argument of the MUL64 function; and an output circuit configured to output a MUL64 function value [63:0] by performing either a logical-AND operation or an exclusive-OR operation, or both using data indicating 128 pieces of M(n), and using 128 pieces of the N(n), wherein the M(n) is a value calculated by applying 1 to a first argument of a MUL64×POW function included in the MUL64 function, applying the n to a second argument of the MUL64×POW function, and applying a predetermined value to a thType: ApplicationFiled: October 5, 2023Publication date: April 18, 2024Inventor: Yukihiro SHIMAMOTO
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Publication number: 20230416556Abstract: A laminate having excellent moldability and including an acrylic-based resin film is provided. A method for producing a laminate having a specific crack elongation, includes a step (A) of forming, on at least one side of a specific acrylic-based resin film, a hard coat layer that contains a urethane acrylate resin, and a step (B) of forming, on the hard coat layer obtained in the step (A), a low refractive index layer that contains, in an amount of not less than 40%, hollow fine silica particles having a particle size of less than 100 nm and that contains an acrylate-based resin.Type: ApplicationFiled: September 1, 2023Publication date: December 28, 2023Applicant: KANEKA CORPORATIONInventors: Hanako Hasebe, Haruki Koyama, Yukihiro Shimamoto
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Publication number: 20230340218Abstract: Provided is a laminate that has excellent moldability and excellent wear resistance, and that contains an acrylic-based resin film. Excellent mouldability and wear resistance can be attained by providing a laminate including a specific acrylic-based resin film, and a specific ultraviolet-curable hard coat layer that is laminated on at least one side of the acrylic-based resin film. The laminate has a specific crack elongation and exhibits a ?haze of not more than 1.0% in a steel wool wear test at 50 g/cm2 and 5 reciprocating motions.Type: ApplicationFiled: June 23, 2023Publication date: October 26, 2023Applicant: KANEKA CORPORATIONInventors: Haruki Koyama, Hanako Hasebe, Yukihiro Shimamoto
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Patent number: 11760855Abstract: An acrylic resin film is provided that may include graft copolymer particles (A) with a multilayer structure and graft copolymer particles (B) with a multilayer structure, wherein the graft copolymer particles (A) may have an average particle size in the range of 20 to 150 nm, the graft copolymer particles (B) may have a larger average particle size than the graft copolymer particles (A). The graft copolymer particles (A) may include a cross-linked elastomer (A1) and a graft polymer layer (A2), the graft polymer layer (A2) being closer to a surface layer than the cross-linked elastomer (A1). Further, a constituent unit may be derived from an acrylate with an alkyl ester moiety having two or more carbon atoms constitutes 8% or less by mass of the graft polymer layer (A2), the graft copolymer particles (B) may contain a cross-linked elastomer (B1).Type: GrantFiled: September 17, 2020Date of Patent: September 19, 2023Assignee: KANEKA CORPORATIONInventors: Haruki Koyama, Hanako Hasebe, Katsumi Yamaguchi, Yukihiro Shimamoto
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Publication number: 20210002437Abstract: An acrylic resin film is provided that may include graft copolymer particles (A) with a multilayer structure and graft copolymer particles (B) with a multilayer structure, wherein the graft copolymer particles (A) may have an average particle size in the range of 20 to 150 nm, the graft copolymer particles (B) may have a larger average particle size than the graft copolymer particles (A). The graft copolymer particles (A) may include a cross-linked elastomer (A1) and a graft polymer layer (A2), the graft polymer layer (A2) being closer to a surface layer than the cross-linked elastomer (A1). Further, a constituent unit may be derived from an acrylate with an alkyl ester moiety having two or more carbon atoms constitutes 8% or less by mass of the graft polymer layer (A2), the graft copolymer particles (B) may contain a cross-linked elastomer (B1).Type: ApplicationFiled: September 17, 2020Publication date: January 7, 2021Applicant: KANEKA CORPORATIONInventors: Haruki Koyama, Hanako Hasebe, Katsumi Yamaguchi, Yukihiro Shimamoto
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Patent number: 10253143Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fluororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.Type: GrantFiled: June 10, 2009Date of Patent: April 9, 2019Assignee: KANEKA CORPORATIONInventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
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Patent number: 9365016Abstract: Provided are a fluorine-containing (meth)acrylic (co)polymer that scarcely generates gas when subjected to molding process, and is capable of supplying a molded body excellent in external appearance and transparency; a fluorine-containing (meth)acrylic resin film thereof; and a fluororesin laminated resin film having the same properties. The (co)polymer is a fluorine-containing (meth)acrylic (co)polymer obtained by polymerizing a monomer component including 100 to 70% by weight of a fluoroalkyl(meth)acrylate monomer, and 0 to 30% by weight of a different monomer copolymerizable therewith by effect of a radical polymerization initiator having a solubility in water of 0.1% or less by weight at 25 C, and having 8 to 14 carbon atoms.Type: GrantFiled: February 17, 2011Date of Patent: June 14, 2016Assignee: KANEKA CORPORATIONInventors: Hideyuki Sakamoto, Keisuke Hatano, Kouji Morita, Yukihiro Shimamoto
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Patent number: 9273208Abstract: Disclosed herein is an acrylic resin film having excellent heat resistance and mechanical strength, less fish-eyes, and high transparency. The acrylic resin film is obtained by molding a resin composition containing a glutarimide acrylic resin (G) and a (meth)acrylic resin (F) obtained by polymerization of a vinyl group-containing compound in the presence of alkyl acrylate-based cross-linked elastic particles having an average particle size of less than 80 nm.Type: GrantFiled: February 20, 2012Date of Patent: March 1, 2016Assignee: KANEKA CORPORATIONInventors: Yukihiro Shimamoto, Fujio Ishimaru, Takahiro Furo, Taizo Aoyama
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Patent number: 9074058Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fluororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.Type: GrantFiled: February 24, 2011Date of Patent: July 7, 2015Assignee: KANEKA CORPORATIONInventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
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Publication number: 20140045995Abstract: Disclosed herein is an acrylic resin film having excellent heat resistance and mechanical strength, less fish-eyes, and high transparency. The acrylic resin film is obtained by molding a resin composition containing a glutarimide acrylic resin (G) and a (meth)acrylic resin (F) obtained by polymerization of a vinyl group-containing compound in the presence of alkyl acrylate-based cross-linked elastic particles having an average particle size of less than 80 nm.Type: ApplicationFiled: February 20, 2012Publication date: February 13, 2014Applicant: KANEKA CORPORATIONInventors: Yukihiro Shimamoto, Fujio Ishimaru, Takahiro Furo, Taizo Aoyama
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Publication number: 20130295396Abstract: Disclosed herein is a (meth)acrylic resin film excellent in adhesiveness to vapor-deposited metal and external appearance. The (meth)acrylic resin film includes acrylic rubber particles (A) having an acid value of 0.2 mmol/g or more, wherein an acid value of an entire resin constituting the film is 0.15 mmol/g or more but 1.5 mmol/g or less.Type: ApplicationFiled: October 18, 2011Publication date: November 7, 2013Applicant: KANEKA CORPORATIONInventors: Fujio Ishimaru, Yukihiro Shimamoto, Taizo Aoyama, Kimihide Nishimura
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Patent number: 8449802Abstract: Acrylic matt thermoplastic resin films having excellent printability, flex whitening resistance, impact resistance and solvent resistance, and a process for the preparation thereof are provided. The films made of a thermoplastic resin composition comprising 100 parts by weight of an acrylic resin (A) and 0.5 to 20 parts by weight of a crosslinked acrylic polymer (B) as a matting agent are prepared by a process wherein the resin composition is kneaded and formed into a film, and the both surfaces of the film are simultaneously brought into contact with rolls between them, one roll being kept at a temperature of not less than the glass transition temperature Tg of the resin composition and the other roll being kept at a temperature of less than the Tg, whereby the film surface contacted with the roll having a temperature of Tg or higher is converted into a mirror surface and the film surface contacted with the roll having a temperature lower than Tg is converted into a matt surface.Type: GrantFiled: June 26, 2007Date of Patent: May 28, 2013Assignee: Kaneka CorporationInventors: Yukihiro Shimamoto, Juichi Nishimura
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Publication number: 20130052440Abstract: Provided are a fluorine-containing (meth)acrylic (co)polymer that scarcely generates gas when subjected to molding process, and is capable of supplying a molded body excellent in external appearance and transparency; a fluorine-containing (meth)acrylic resin film thereof; and a fluororesin laminated resin film having the same properties. The (co)polymer is a fluorine-containing (meth)acrylic (co)polymer obtained by polymerizing a monomer component including 100 to 70% by weight of a fluoroalkyl(meth)acrylate monomer, and 0 to 30% by weight of a different monomer copolymerizable therewith by effect of a radical polymerization initiator having a solubility in water of 0.1% or less by weight at 25 C, and having 8 to 14 carbon atoms.Type: ApplicationFiled: February 17, 2011Publication date: February 28, 2013Applicant: KANEKA CORPORATIONInventors: Hideyuki Sakamoto, Keisuke Hatano, Kouji Morita, Yukihiro Shimamoto
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Patent number: 8303875Abstract: A method for producing a vinylidene fluoride resin film having excellent transparency, weather resistance, chemical resistance, break resistance and formability is provided. The film is shaped by sandwiching a vinylidene fluoride resin in a molten state between rollers or metal belts so as to let them cool down, thus realizing polyvinylidene fluoride with a fine average spherocrystal diameter. Thus, the vinylidene fluoride resin film having the above-stated properties can be obtained.Type: GrantFiled: October 15, 2008Date of Patent: November 6, 2012Assignee: Kaneka CorporationInventors: Kazuhito Wada, Yukihiro Shimamoto
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Publication number: 20110151229Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fluororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.Type: ApplicationFiled: February 24, 2011Publication date: June 23, 2011Applicant: KANEKA CORPORATIONInventors: Kouji MORITA, Yukihiro SHIMAMOTO, Kazuhito WADA, Taizo AOYAMA
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Publication number: 20110124816Abstract: An object of the present invention is to provide a novel monolayer and multilayer film that can be employed also for use in interior and exterior members of vehicles, and that have excellent transparency, surface hardness, chemical resistance, and stain resistance such as lactic acid resistance and sunscreen resistance. The present invention is directed to a fluororesin film formed with (C) a fluororesin comprising (B) a fluorinated (meth)acrylic resin that contains a fluorine-containing alkyl(meth)acrylate polymer component; and a fuororesin-laminated acrylic resin film, wherein the fluororesin film layer is laminated on at least one face of a film layer comprising (A) an acrylic resin.Type: ApplicationFiled: June 10, 2009Publication date: May 26, 2011Applicant: KANEKA CORPORATIONInventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
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Patent number: 7855607Abstract: A ring oscillation circuit, which can operate the ring oscillation due to a positive feedback stably and continuously, is provided and it is applied to an accurate measurement of delay time and a measurement of timing accuracy in a jitter of a clock signal or the like with a high accuracy. A ring oscillation circuit comprises a delay circuit and a monostable multivibrator. An output of the delay circuit is connected to an input of the monostable multivibrator, an output of the monostable multivibrator is connected to an input of the delay circuit, and the delay circuit and the monostable multivibrator configure a positive feedback loop. An oscillation starting circuit for starting oscillation upon receipt of an input of a trigger pulse for triggering oscillation is provided on the positive feedback loop, or in the inside of the delay circuit or the monostable multivibrator.Type: GrantFiled: November 30, 2006Date of Patent: December 21, 2010Assignee: Sharp Kabushiki KaishaInventor: Yukihiro Shimamoto
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Publication number: 20090072433Abstract: A vinylidene fluoride-based resin film and a vinylidene fluoride-based resin multilayered film having excellent transparency, weather resistance, chemical resistance, break resistance and formability are provided. The film is shaped by sandwiching a vinylidene fluoride-based resin in a molten state between rollers or metal belts, thus realizing polyvinylidene fluoride with a fine average spherocrystal diameter. Thus, the vinylidene fluoride-based resin film and the vinylidene fluoride-based resin multilayered film having the above-stated properties can be obtained.Type: ApplicationFiled: October 15, 2008Publication date: March 19, 2009Applicant: Kaneka CorporationInventors: Kauhito Wada, Yukihiro Shimamoto
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Publication number: 20090051396Abstract: A ring oscillation circuit, which can operate the ring oscillation due to a positive feedback stably and continuously, is provided and it is applied to an accurate measurement of delay time and a measurement of timing accuracy in a jitter of a clock signal or the like with a high accuracy. A ring oscillation circuit comprises a delay circuit and a monostable multivibrator. An output of the delay circuit is connected to an input of the monostable multivibrator, an output of the monostable multivibrator is connected to an input of the delay circuit, and the delay circuit and the monostable multivibrator configure a positive feedback loop. An oscillation starting circuit for starting oscillation upon receipt of an input of a trigger pulse for triggering oscillation is provided on the positive feedback loop, or in the inside of the delay circuit or the monostable multivibrator.Type: ApplicationFiled: November 30, 2006Publication date: February 26, 2009Inventor: Yukihiro Shimamoto
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Patent number: 7452602Abstract: A vinylidene fluoride-based resin film including polyvinylidene fluoride whose average spherocrystal diameter is less than 0.1 ?m that is a detection limit or lower by observation using a transmission electron microscope is provided, the average spherocrystal diameter being obtained by shaping a vinylidene fluoride-based resin in a molten state by sandwiching the resin between rollers or metal belts so as to let it cool down. Thereby, a vinylidene fluoride-based resin film and a vinylidene fluoride-based resin multilayered film having excellent transparency, weather resistance, chemical resistance, break resistance and formability are provided.Type: GrantFiled: August 10, 2005Date of Patent: November 18, 2008Assignee: Kaneka CorporationInventors: Kazuhito Wada, Yukihiro Shimamoto