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).

  • Publication number: 20240126929
    Abstract: 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 th
    Type: Application
    Filed: October 5, 2023
    Publication date: April 18, 2024
    Inventor: Yukihiro SHIMAMOTO
  • Publication number: 20230416556
    Abstract: 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: Application
    Filed: September 1, 2023
    Publication date: December 28, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Hanako Hasebe, Haruki Koyama, Yukihiro Shimamoto
  • Publication number: 20230340218
    Abstract: 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: Application
    Filed: June 23, 2023
    Publication date: October 26, 2023
    Applicant: KANEKA CORPORATION
    Inventors: Haruki Koyama, Hanako Hasebe, Yukihiro Shimamoto
  • Patent number: 11760855
    Abstract: 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: Grant
    Filed: September 17, 2020
    Date of Patent: September 19, 2023
    Assignee: KANEKA CORPORATION
    Inventors: Haruki Koyama, Hanako Hasebe, Katsumi Yamaguchi, Yukihiro Shimamoto
  • Publication number: 20210002437
    Abstract: 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: Application
    Filed: September 17, 2020
    Publication date: January 7, 2021
    Applicant: KANEKA CORPORATION
    Inventors: Haruki Koyama, Hanako Hasebe, Katsumi Yamaguchi, Yukihiro Shimamoto
  • Patent number: 10253143
    Abstract: 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: Grant
    Filed: June 10, 2009
    Date of Patent: April 9, 2019
    Assignee: KANEKA CORPORATION
    Inventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
  • Patent number: 9365016
    Abstract: 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: Grant
    Filed: February 17, 2011
    Date of Patent: June 14, 2016
    Assignee: KANEKA CORPORATION
    Inventors: Hideyuki Sakamoto, Keisuke Hatano, Kouji Morita, Yukihiro Shimamoto
  • Patent number: 9273208
    Abstract: 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: Grant
    Filed: February 20, 2012
    Date of Patent: March 1, 2016
    Assignee: KANEKA CORPORATION
    Inventors: Yukihiro Shimamoto, Fujio Ishimaru, Takahiro Furo, Taizo Aoyama
  • Patent number: 9074058
    Abstract: 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: Grant
    Filed: February 24, 2011
    Date of Patent: July 7, 2015
    Assignee: KANEKA CORPORATION
    Inventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
  • Publication number: 20140045995
    Abstract: 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: Application
    Filed: February 20, 2012
    Publication date: February 13, 2014
    Applicant: KANEKA CORPORATION
    Inventors: Yukihiro Shimamoto, Fujio Ishimaru, Takahiro Furo, Taizo Aoyama
  • Publication number: 20130295396
    Abstract: 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: Application
    Filed: October 18, 2011
    Publication date: November 7, 2013
    Applicant: KANEKA CORPORATION
    Inventors: Fujio Ishimaru, Yukihiro Shimamoto, Taizo Aoyama, Kimihide Nishimura
  • Patent number: 8449802
    Abstract: 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: Grant
    Filed: June 26, 2007
    Date of Patent: May 28, 2013
    Assignee: Kaneka Corporation
    Inventors: Yukihiro Shimamoto, Juichi Nishimura
  • Publication number: 20130052440
    Abstract: 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: Application
    Filed: February 17, 2011
    Publication date: February 28, 2013
    Applicant: KANEKA CORPORATION
    Inventors: Hideyuki Sakamoto, Keisuke Hatano, Kouji Morita, Yukihiro Shimamoto
  • Patent number: 8303875
    Abstract: 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: Grant
    Filed: October 15, 2008
    Date of Patent: November 6, 2012
    Assignee: Kaneka Corporation
    Inventors: Kazuhito Wada, Yukihiro Shimamoto
  • Publication number: 20110151229
    Abstract: 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: Application
    Filed: February 24, 2011
    Publication date: June 23, 2011
    Applicant: KANEKA CORPORATION
    Inventors: Kouji MORITA, Yukihiro SHIMAMOTO, Kazuhito WADA, Taizo AOYAMA
  • Publication number: 20110124816
    Abstract: 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: Application
    Filed: June 10, 2009
    Publication date: May 26, 2011
    Applicant: KANEKA CORPORATION
    Inventors: Kouji Morita, Yukihiro Shimamoto, Kazuhito Wada, Taizo Aoyama
  • Patent number: 7855607
    Abstract: 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: Grant
    Filed: November 30, 2006
    Date of Patent: December 21, 2010
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Yukihiro Shimamoto
  • Publication number: 20090072433
    Abstract: 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: Application
    Filed: October 15, 2008
    Publication date: March 19, 2009
    Applicant: Kaneka Corporation
    Inventors: Kauhito Wada, Yukihiro Shimamoto
  • Publication number: 20090051396
    Abstract: 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: Application
    Filed: November 30, 2006
    Publication date: February 26, 2009
    Inventor: Yukihiro Shimamoto
  • Patent number: 7452602
    Abstract: 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: Grant
    Filed: August 10, 2005
    Date of Patent: November 18, 2008
    Assignee: Kaneka Corporation
    Inventors: Kazuhito Wada, Yukihiro Shimamoto