Patents by Inventor Kentarou Takahashi

Kentarou Takahashi 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).

  • Patent number: 11926502
    Abstract: A transport device transports an individualized sheet-shaped workpiece. The transport device includes: an annular transport belt having a first surface and a second surface opposite to the first surface and having a plurality of suction holes extending between the first surface and the second surface; first and second decompression chambers arranged along a moving direction of the transport belt; and a vacuum degree adjusting mechanism provided in the first decompression chamber and adjusting a vacuum degree in the first decompression chamber. The first and second decompression chambers each abut against the second surface, and each suction the workpiece through at least one of the plurality of suction holes toward the first surface such that the transport belt is capable of transporting the workpiece in the moving direction in a suspended state from the first surface.
    Type: Grant
    Filed: July 12, 2021
    Date of Patent: March 12, 2024
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Kentarou Adachi, Takafumi Kaneda, Hayase Minoura, Masaki Takahashi
  • Publication number: 20230223540
    Abstract: The present invention provides a binder for a nonaqueous secondary battery electrode capable of greatly improving the peeling strength of an electrode active material layer to a current collector while suppressing the occurrence of cracks in the electrode active material layer formed on the current collector. The binder for a nonaqueous secondary battery electrode includes a copolymer (P) having a structural unit (a) derived from a monomer (A) represented by formula (1), a structural unit (b) derived from a monomer (B) which is at least one kind selected from the group consisting of a (meth)acrylic acid and a salt thereof, and a structural unit (c) derived from a monomer (C) which is an ethylenically unsaturated carboxylic acid ester of an aromatic alcohol.
    Type: Application
    Filed: May 31, 2021
    Publication date: July 13, 2023
    Applicant: SHOWA DENKO K.K.
    Inventors: Yuma TANAKA, Kentarou TAKAHASHI, Kazunari FUKASE, Tomonori KURATA, Mitsuru HANASAKI
  • Patent number: 10766229
    Abstract: The present invention provides an adhesive for laminating a metal foil and a resin film, including: (A) 1% to 20% by mass of polyurethane which has at least one functional group selected from the group consisting of a hydroxy group, an acryloyl group, and a carboxy group; (B) 30% to 90% by mass of a monomer which does not has an active hydrogen and has two or more ethylenically unsaturated bonds; (C) 1% to 55% by mass of an aliphatic monomer which has one ethylenically unsaturated bond; (D) 1% to 15% by mass of a polyisocyanate compound; and (E) 0.5% to 5% by mass of a photoinitiator. The (B) has a cyclic structure, and the (C) has a linear hydrocarbon group, a branched hydrocarbon group, or a cycloalkyl group.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: September 8, 2020
    Assignee: SHOWA DENKO K.K.
    Inventors: Kentarou Takahashi, Hiroto Kouka, Yasuhiro Nakagawa
  • Patent number: 10717896
    Abstract: The present invention relates to a curable heat radiation composition which includes two types of fillers with different compressive breaking strengths (except when the two types of fillers are the same substance) and a thermosetting resin, the compressive breaking strength ratio of the two types of fillers [compressive breaking strength of a filler (A) with a higher compressive breaking strength/compressive breaking strength of a filler (B) with a lower compressive breaking strength] being 5 to 1,500, the compressive breaking strength of the filler (A) being 100 to 1,500 MPa, and the compressive breaking strength of the filler (B) being 1.0 to 20 MPa, an adhesive sheet using the composition and a method for producing the same. An aluminum nitride is preferable as the filler (A) and hexagonal boron nitride agglomerated particles are preferable as the filler (B).
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: July 21, 2020
    Assignee: SHOWA DENKO K.K.
    Inventors: Yoichiro Sakaguchi, Kentarou Takahashi, Keisuke Mameda
  • Publication number: 20200189236
    Abstract: The present invention provides an adhesive for laminating a metal foil and a resin film, including: (A) 1% to 20% by mass of polyurethane which has at least one functional group selected from the group consisting of a hydroxy group, an acryloyl group, and a carboxy group; (B) 30% to 90% by mass of a monomer which does not has an active hydrogen and has two or more ethylenically unsaturated bonds; (C) 1% to 55% by mass of an aliphatic monomer which has one ethylenically unsaturated bond; (D) 1% to 15% by mass of a polyisocyanate compound; and (E) 0.5% to 5% by mass of a photoinitiator. The (B) has a cyclic structure, and the (C) has a linear hydrocarbon group, a branched hydrocarbon group, or a cycloalkyl group.
    Type: Application
    Filed: October 4, 2018
    Publication date: June 18, 2020
    Applicant: SHOWA DENKO K.K.
    Inventors: Kentarou TAKAHASHI, Hiroto KOUKA, Yasuhiro NAKAGAWA
  • Publication number: 20170283645
    Abstract: The present invention relates to a curable heat radiation composition which includes two types of fillers with different compressive breaking strengths (except when the two types of fillers are the same substance) and a thermosetting resin, the compressive breaking strength ratio of the two types of fillers [compressive breaking strength of a filler (A) with a higher compressive breaking strength/compressive breaking strength of a filler (B) with a lower compressive breaking strength] being 5 to 1,500, the compressive breaking strength of the filler (A) being 100 to 1,500 MPa, and the compressive breaking strength of the filler (B) being 1.0 to 20 MPa, an adhesive sheet using the composition and a method for producing the same. An aluminum nitride is preferable as the filler (A) and hexagonal boron nitride agglomerated particles are preferable as the filler (B).
    Type: Application
    Filed: June 20, 2017
    Publication date: October 5, 2017
    Applicant: SHOWA DENKO K.K.
    Inventors: Yoichiro SAKAGUCHI, Kentarou TAKAHASHI, Keisuke MAMEDA
  • Publication number: 20150037575
    Abstract: The present invention relates to a curable heat radiation composition which includes two types of fillers with different compressive breaking strengths (except when the two types of fillers are the same substance) and a thermosetting resin, the compressive breaking strength ratio of the two types of fillers [compressive breaking strength of a filler (A) with a higher compressive breaking strength/compressive breaking strength of a filler (B) with a lower compressive breaking strength] being 5 to 1,500, the compressive breaking strength of the filler (A) being 100 to 1,500 MPa, and the compressive breaking strength of the filler (B) being 1.0 to 20 MPa, an adhesive sheet using the composition and a method for producing the same. An aluminum nitride is preferable as the filler (A) and hexagonal boron nitride agglomerated particles are preferable as the filler (B).
    Type: Application
    Filed: February 21, 2013
    Publication date: February 5, 2015
    Applicant: SHOWA DENKO K.K.
    Inventors: Yoichiro Sakaguchi, Kentarou Takahashi, Keisuke Mameda
  • Publication number: 20100298506
    Abstract: The present invention relates to a method for producing an amino group-containing phosphate compound, by which the compound can be easily synthesized through a one-step reaction. The method for producing an amino group-containing phosphate compound comprises reacting an aminophenol compound represented by the general formula (1) with a dichlorophosphoric acid compound represented by the general formula (2): (where X1, X2, X3, X4 and X5 each represent a hydrogen atom or an alkyl group having 1 to 3 carbon atoms) in the presence of an inorganic basic compound in an aprotic organic solvent, to obtain a amino group-containing phosphate compound represented by the following general formula (3) where X1, X2, X3, X4 and X5 are defined in the same way as in the general formula (2).
    Type: Application
    Filed: June 9, 2006
    Publication date: November 25, 2010
    Applicant: SHOWA HIGHPOLYMER CO., LTD.
    Inventors: Hirotoshi Kamata, Kentarou Takahashi, Hui Li, Boris Ionin
  • Publication number: 20090280331
    Abstract: The present invention is directed to a compound serving as both a flame retardant and a curing agent (a crosslinking agent) for curable resin, a method for producing the compound, a flame-retardant curable resin composition containing the compound, and a cured product and a laminate sheet having flame retardancy produced through curing the cured resin composition. The compound has a benzoxazine structure and a phosphine oxide structure in a molecule thereof.
    Type: Application
    Filed: July 6, 2007
    Publication date: November 12, 2009
    Applicant: Showa Highpolymer Co., Ltd.
    Inventors: Kentarou Takahashi, Hui Li, Hirotoshi Kamata
  • Publication number: 20090274916
    Abstract: The present invention is directed to a compound serving as both a flame retardant and a curing agent (crosslinking agent) for curable resin, a method for producing the compound, a flame-retardant curable resin composition containing the compound, and a cured product and a laminated sheet having flame retardancy produced through curing the cured resin composition. The compound has a benzoxazine structure and a phosphine oxide structure in a molecule thereof.
    Type: Application
    Filed: July 6, 2007
    Publication date: November 5, 2009
    Applicant: SHOWA HIGHPOLYMER CO., LTD
    Inventors: Kentarou Takahashi, Hui Li, Hirotoshi Kamata