Patents by Inventor Seitaro Yamaguchi

Seitaro Yamaguchi 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: 11518901
    Abstract: The invention provides a composition that can provide a film exhibiting excellent adhesion to a substrate and having excellent non-stickiness. The composition contains a fluororesin, a heat-resistant resin, water, and a solvent having a boiling point of 205° C. or higher.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: December 6, 2022
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Eisuke Tamura, Seitaro Yamaguchi, Hiromichi Momose, Tomohiro Shiromaru
  • Publication number: 20200056065
    Abstract: The invention provides a composition that can provide a film exhibiting excellent adhesion to a substrate and having excellent non-stickiness. The composition contains a fluororesin, a heat-resistant resin, water, and a solvent having a boiling point of 205° C. or higher.
    Type: Application
    Filed: February 23, 2018
    Publication date: February 20, 2020
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Eisuke TAMURA, Seitaro YAMAGUCHI, Hiromichi MOMOSE, Tomohiro SHIROMARU
  • Patent number: 10407588
    Abstract: The present invention provides a coating composition that can provide a coating film excellent in adhesion to a substrate and also excellent in non-adhesiveness, hardness at high temperature, and abrasion resistance. The present invention relates to a coating composition including: non-melt-fabricable polytetrafluoroethylene; a fluorine-containing polymer other than the non-melt-fabricable polytetrafluoroethylene; and a heat-resistant resin other than the non-melt-fabricable polytetrafluoroethylene or the fluorine-containing polymer, the non-melt-fabricable polytetrafluoroethylene being contained in an amount of 10 to 60% by mass relative to the amount of the fluorine-containing polymer.
    Type: Grant
    Filed: February 19, 2016
    Date of Patent: September 10, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Eisuke Tamura, Yoshihiro Soda, Tomohiro Shiromaru, Seitaro Yamaguchi
  • Publication number: 20190036167
    Abstract: The invention is an electrolyte composition comprising the following component (A), component (B) and component (C): component (A): an ionic compound having a melting point of 200° C. or lower (except for the following components (B) and (C)), component (B): an ionic compound including a Group 1 or 2 metal ion in the periodic table, and component (C): a zwitterionic compound, and a secondary battery having a positive electrode, a negative electrode, and the electrolyte composition, and a method for using the secondary battery, wherein an upper limit of a cutoff voltage during charging is 4.4 to 5.5 V. One aspect of the invention provides an electrolyte composition excellent in flame retardance and non-volatility, a secondary battery excellent in cycling characteristics and having a high capacity, and a method for using the secondary battery.
    Type: Application
    Filed: August 30, 2016
    Publication date: January 31, 2019
    Applicants: LINTEC Corporation, SOPHIA School Corporation
    Inventors: Seitaro YAMAGUCHI, Sou MIYATA, Masahiro FUJITA, Masahiro RIKUKAWA
  • Publication number: 20180037765
    Abstract: The present invention provides a coating composition that can provide a coating film excellent in adhesion to a substrate and also excellent in non-adhesiveness, hardness at high temperature, and abrasion resistance. The present invention relates to a coating composition including: non-melt-fabricable polytetrafluoroethylene; a fluorine-containing polymer other than the non-melt-fabricable polytetrafluoroethylene; and a heat-resistant resin other than the non-melt-fabricable polytetrafluoroethylene or the fluorine-containing polymer, the non-melt-fabricable polytetrafluoroethylene being contained in an amount of 10 to 60% by mass relative to the amount of the fluorine-containing polymer.
    Type: Application
    Filed: February 19, 2016
    Publication date: February 8, 2018
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Eisuke TAMURA, Yoshihiro SODA, Tomohiro SHIROMARU, Seitaro YAMAGUCHI
  • Patent number: 9227453
    Abstract: A flame-retardant laminate 10 having a substrate 11 and a print-image-receiving layer 12 stacked on the substrate 11, is characterized in that the substrate 11 has a flame resistance equivalent to VTM-0; and the print-image-receiving layer 12 contains a resin and titanium oxide and no halide; exhibits a percent mass retention of 50% or higher as determined at 600° C. through thermal mass analysis; and has a thickness of 10 ?m or less.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: January 5, 2016
    Assignee: LINTEC CORPORATION
    Inventors: Seitaro Yamaguchi, Kenji Harada, Yumiko Amino, Yoshitomo Ono
  • Publication number: 20150174938
    Abstract: A flame-retardant laminate 10 having a substrate 11 and a print-image-receiving layer 12 stacked on the substrate 11, is characterised in that the substrate 11 has a flame resistance equivalent to VTM-0; and the print-image-receiving layer 12 contains a resin and titanium oxide and no halide; exhibits a percent mass retention, of 50% or higher as determined at 600° C. through thermal mass analysis; and has a thickness of 10 ?m or less.
    Type: Application
    Filed: August 16, 2013
    Publication date: June 25, 2015
    Inventors: Seitaro Yamaguchi, Kenji Harada, Yumiko Amino, Yoshitomo Ono
  • Patent number: 9028941
    Abstract: A sheet for producing a multilayer optical recording medium comprises optical recording layers and adhesive layers laminated on one another, wherein the adhesive layer comprises an adhesive comprising a polymer as a main component, the polymer includes fluorine-containing monomer and/or silicon-containing monomer as a constituent monomer component, the adhesive layer has no domain structure or has a domain structure of 110 nm or less, a total content of the fluorine-containing monomer and the silicon-containing monomer is 10 to 100 mass % when a monomer total amount as the constituent monomer component in the polymer is 100 mass %. According to the sheet for producing a multilayer optical recording medium, a multilayer optical recording medium can be produced which can detect reflected light having sufficient intensity from the interface between the optical recording layer and the adhesive layer and which generates less scattered light in the adhesive layer and causes less noise.
    Type: Grant
    Filed: September 6, 2013
    Date of Patent: May 12, 2015
    Assignee: Lintec Corporation
    Inventors: Masaharu Ito, Seitaro Yamaguchi, Yuichi Kozone
  • Patent number: 8796370
    Abstract: A coating composition which is an aqueous dispersion of a fluororesin particle (A) including a fluororesin, a resin particle (B) the decomposition and vaporization of which begin at a temperature not higher than a decomposition temperature of the fluororesin, and a nonionic surfactant (C) in an aqueous medium. The aqueous dispersion contains the resin particle (B) in an amount of 5 to 25 parts by mass based on 100 parts by mass of the fluororesin particle (A) and a fluorine-containing surfactant in an amount smaller than 500 ppm relative to the fluororesin particle (A).
    Type: Grant
    Filed: August 5, 2008
    Date of Patent: August 5, 2014
    Assignee: Daikin Industries, Ltd.
    Inventors: Hiromichi Momose, Hiroshi Torii, Seitaro Yamaguchi
  • Publication number: 20140087114
    Abstract: A sheet for producing a multilayer optical recording medium comprises optical recording layers and adhesive layers laminated on one another, wherein the adhesive layer comprises an adhesive comprising a polymer as a main component, the polymer includes fluorine-containing monomer and/or silicon-containing monomer as a constituent monomer component, the adhesive layer has no domain structure or has a domain structure with a size of of 110 nm or less, a total content of the fluorine-containing monomer and the silicon-containing monomer is 10 to 100 mass % when a monomer total amount as the constituent monomer component in the polymer is 100 mass %. According to the sheet for producing a multilayer optical recording medium, a multilayer optical recording medium can be produced which can detect reflected light having sufficient intensity from the interface between the optical recording layer and the adhesive layer and which generates less scattered light in the adhesive layer and causes less noise.
    Type: Application
    Filed: September 6, 2013
    Publication date: March 27, 2014
    Applicant: LINTEC CORPORATION
    Inventors: Masaharu ITO, Seitaro YAMAGUCHI, Yuichi KOZONE
  • Publication number: 20140017467
    Abstract: The present invention relates to a pressure sensitive adhesive sheet including a pressure sensitive adhesive layer on at least one surface of a base material, wherein the pressure sensitive adhesive layer is made of a two-layer structure of a first pressure sensitive adhesive layer and a second pressure sensitive adhesive layer in this order from the side of the base material; a first pressure sensitive adhesive constituting the first pressure sensitive adhesive layer has a loss tangent (tan ?) value at 0° C. of 0.25 or more and a storage elastic modulus value at 0° C. of from 0.01 to 0.80 MPa; and a resin component contained in a second pressure sensitive adhesive constituting the second pressure sensitive adhesive layer contains from 10 to 100 t by mass of an acrylic copolymer having a crosslinkable functional group. The pressure sensitive adhesive sheet according to the present invention exhibits an excellent adhesive strength even when the pressure sensitive adhesive layer is reduced in thickness.
    Type: Application
    Filed: January 24, 2012
    Publication date: January 16, 2014
    Applicant: LINTEC CORPORATION
    Inventors: Youichi Inao, Seitaro Yamaguchi, Mikihiro Kashio, Satoshi Kawada
  • Publication number: 20110274933
    Abstract: A laminate comprises a gas barrier layer and an inorganic compound layer, the gas barrier layer being formed of a material that includes at least an oxygen atom, a carbon atom, and a silicon atom, the gas barrier layer having an oxygen atom content rate that gradually decreases from the surface of the gas barrier layer in the depth direction, and having a carbon atom content rate that gradually increases from the surface of the gas barrier layer in the depth direction. An electronic device member includes the laminate, and an electronic device includes the electronic device member. The laminate exhibits an excellent gas barrier capability and excellent transparency, and does not produce cracks (i.e., the gas barrier capability does not deteriorate) even when the laminate is folded. The laminate exhibits an excellent gas barrier capability and an excellent impact-absorbing capability even if an impact is applied from the outside.
    Type: Application
    Filed: December 11, 2009
    Publication date: November 10, 2011
    Applicant: LINTEC CORPORATION
    Inventors: Shinichi Hoshi, Takeshi Kondo, Seitaro Yamaguchi, Kazue Uemura, Yuta Suzuki
  • Publication number: 20100197849
    Abstract: A coating composition which is an aqueous dispersion of a fluororesin particle (A) including a fluororesin, a resin particle (B) the decomposition and vaporization of which begin at a temperature not higher than a decomposition temperature of the fluororesin, and a nonionic surfactant (C) in an aqueous medium. The aqueous dispersion contains the resin particle (B) in an amount of 5 to 25 parts by mass based on 100 parts by mass of the fluororesin particle (A) and a fluorine-containing surfactant in an amount smaller than 500 ppm relative to the fluororesin particle (A).
    Type: Application
    Filed: August 5, 2008
    Publication date: August 5, 2010
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiromichi Momose, Hiroshi Torii, Seitaro Yamaguchi
  • Patent number: 7087679
    Abstract: A thermoplastic resin composition comprising a blend obtainable by blending 0.1 to 99% by weight of (a) a fluorine-containing polymer having a number-average molecular weight of 2000 to 1000000 and having hydroxy group or epoxy group at least at one of end portions of a main chain and side chain of the polymer, and 1 to 99.9% by weight of (b) a heat resisting thermoplastic resin having a crystalline melting point or glass transition temperature of not less than 150° C. The present invention can provide a composition comprising various heat resisting thermoplastic resins and a fluorine-containing polymer having a functional group which is capable of developing an affinity with said resins and forming a uniform dispersion.
    Type: Grant
    Filed: December 31, 2002
    Date of Patent: August 8, 2006
    Assignee: Daikin Industries, Ltd.
    Inventors: Tetsuo Shimizu, Yoshihisa Yamamoto, Seitaro Yamaguchi, Nobuhiko Tsuda, Noriyasu Yamane, Takafumi Yamato, Masahiro Kumegawa, Takayuki Araki
  • Publication number: 20030166780
    Abstract: A thermoplastic resin composition comprising a blend obtainable by blending 0.1 to 99 % by weight of (a) a fluorine-containing polymer having a number-average molecular weight of 2000 to 1000000 and having hydroxy group or epoxy group at least at one of end portions of a main chain and side chain of the polymer, and 1 to 99.9 % by weight of (b) a heat resisting thermoplastic resin having a crystalline melting point or glass transition temperature of not less than 150° C. The present invention can provide a composition comprising various heat resisting thermoplastic resins and a fluorine-containing polymer having a functional group which is capable of developing an affinity with said resins and forming a uniform dispersion.
    Type: Application
    Filed: December 31, 2002
    Publication date: September 4, 2003
    Inventors: Tetsuo Shimizu, Yoshihisa Yamamoto, Seitaro Yamaguchi, Nobuhiko Tsuda, Noriyasu Yamane, Takafumi Yamato, Masahiro Kumegawa, Takayuki Araki
  • Patent number: 6552127
    Abstract: A thermoplastic resin composition comprising a blend obtainable by blending 0.1 to 99% by weight of (a) a fluorine-containing polymer having a number-average molecular weight of 2000 to 1000000 and having hydroxy group or epoxy group at least at one of end portions of a main chain and side chain of the polymer, and 1 to 99.9% by weight of (b) a heat resisting thermoplastic resin having a crystalline melting point or glass transition temperature of not less than 150° C.
    Type: Grant
    Filed: March 31, 2000
    Date of Patent: April 22, 2003
    Assignee: Daikin Industries, Ltd.
    Inventors: Tetsuo Shimizu, Yoshihisa Yamamoto, Seitaro Yamaguchi, Nobuhiko Tsuda, Noriyasu Yamane, Takafumi Yamato, Masahiro Kumegawa, Takayuki Araki
  • Publication number: 20030054110
    Abstract: A coating method characterized by coating, with a curtain flow coater, a liquid coating composition which comprises fluorine-containing polymer particles having an average particle size of from 0.01 to 100 &mgr;m and has a viscosity of from 0.1 to 500 mPa•s at coating. The curtain flow coater is used for coating of the coating composition comprising fluorine-containing polymer, though use of it has been difficult.
    Type: Application
    Filed: July 22, 2002
    Publication date: March 20, 2003
    Inventors: Seitaro Yamaguchi, Koichiro Ogita
  • Patent number: 6054537
    Abstract: A thermoplastic resin composition comprising a blend obtainable by blending 0.1 to 99% by weight of (a) a fluorine-containing polymer having a number-average molecular weight of 2000 to 1000000 and having hydroxy group or epoxy group at least at one of end portions of a main chain and side chain of the polymer, and 1 to 99.9% by weight of (b) a heat resisting thermoplastic resin having a crystalline melting point or glass transition temperature of not less than 150.degree. C. The present invention can provide a composition comprising various heat resisting thermoplastic resins and a fluorine-containing polymer having a functional group which is capable of developing an affinity with said resins and forming a uniform dispersion.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: April 25, 2000
    Assignee: Daikin Industries, Ltd.
    Inventors: Tetsuo Shimizu, Yoshihisa Yamamoto, Seitaro Yamaguchi, Nobuhiko Tsuda, Noriyasu Yamane, Takafumi Yamato, Masahiro Kumegawa, Takayuki Araki
  • Patent number: 5919851
    Abstract: A paint composition comprising, as a leveling agent, 0.01 to 3.0 parts by weight of a polyfluorinated carbon chain-containing compound and 0.01 to 3.0 parts by weight of a silicone oil per 100 parts by weight of a film forming component and being capable of forming a film being excellent in water- and oil-repelling property and stain resistance, and painted articles being excellent in water- and oil-repelling property and stain resistance can be provided.
    Type: Grant
    Filed: April 8, 1997
    Date of Patent: July 6, 1999
    Assignee: Daikin Industries, Ltd.
    Inventors: Seitaro Yamaguchi, Koichiro Ogita, Nobuyuki Tomihashi
  • Patent number: 5869574
    Abstract: A thermoplastic resin composition comprising a blend obtainable by blending 0.1 to 99% by weight of (a) a fluorine-containing polymer having a number-average molecular weight of 2000 to 1000000 and having hydroxy group or epoxy group at least at one of end portions of a main chain and side chain of the polymer, and 1 to 99.9% by weight of (b) a heat resisting thermoplastic resin having a crystalline melting point or glass transition temperature of not less than 150.degree. C. The present invention can provide a composition comprising various heat resisting thermoplastic resins and a fluorine-containing polymer having a functional group which is capable of developing an affinity with said resins and forming a uniform dispersion.
    Type: Grant
    Filed: April 17, 1997
    Date of Patent: February 9, 1999
    Assignee: Daikin Industries, Ltd.
    Inventors: Tetsuo Shimizu, Yoshihisa Yamamoto, Seitaro Yamaguchi, Nobuhiko Tsuda, Noriyasu Yamane, Takafumi Yamato, Masahiro Kumegawa, Takayuki Araki