Patents by Inventor Toyohisa Fujimoto

Toyohisa Fujimoto 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: 10655007
    Abstract: Disclosed are: a polyalkylene terephthalate resin composition comprising (A) a polyalkylene terephthalate resin and (B) an acrylic-based core-shell polymer which has an average particle size of 2 ?m or greater and in which an amount of the core layer component is more than 80% by mass but less than 100% by mass relative to a total mass of the core layer component and a shell layer component; and a molded article which is obtained by molding the polyalkylene terephthalate resin composition.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: May 19, 2020
    Assignees: POLYPLASTICS CO., LTD., KANEKA CORPORATION
    Inventors: Kouichi Sakata, Shinya Yamada, Nobuhiro Yamamoto, Tetsuro Yamamoto, Yoshiaki Matsuoka, Toyohisa Fujimoto
  • Patent number: 10138314
    Abstract: The present invention relates to a thermoplastic resin composition comprising a rubber graft copolymer comprising a core layer containing a rubber copolymer and a shell layer grafted on the core layer and a thermoplastic resin comprising a polycarbonate resin and an aliphatic polyester resin in the mass ratio of the rubber graft copolymer/the thermoplastic resin of 3/100 or more, wherein the shell layer is obtained by polymerizing or copolymerizing a (meth)acrylate monomer having an epoxy group, and the amount of the (meth)acrylate monomer having an epoxy group is 3 parts by mass or more and less than 29 parts by mass based on 100 parts by mass of the rubber graft copolymer. The thermoplastic resin composition of the present invention can be utilized in various applications.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: November 27, 2018
    Assignee: KANEKA CORPORATION
    Inventors: Seigo Takamido, Toyohisa Fujimoto
  • Publication number: 20170342260
    Abstract: Disclosed are: a polyalkylene terephthalate resin composition comprising (A) a polyalkylene terephthalate resin and (B) an acrylic-based core-shell polymer which has an average particle size of 2 ?m or greater and in which an amount of the core layer component is more than 80% by mass but less than 100% by mass relative to a total mass of the core layer component and a shell layer component; and a molded article which is obtained by molding the polyalkylene terephthalate resin composition.
    Type: Application
    Filed: December 14, 2015
    Publication date: November 30, 2017
    Applicants: WinTech Polymer Ltd., KANEKA CORPORATION
    Inventors: Kouichi Sakata, Shinya Yamada, Nobuhiro Yamamoto, Tetsuro Yamamoto, Yoshiaki Matsuoka, Toyohisa Fujimoto
  • Patent number: 9534158
    Abstract: The present invention provides a curable composition useful as a contact adhesive which has a high rate of initial tack development, high tack strength, and long retention time of the developed tack. The curable composition includes an organic polymer (Q) containing a reactive silyl group, and a linear organic polymer (P) having a number average molecular weight larger than that of the polymer (Q) and having a reactive silyl group containing three hydrolyzable groups at only one terminal. The organic polymer (P) and the organic polymer (Q) are mixed at a mixing ratio (P):(Q), in terms of parts by weight, of 60:40 to 5:95.
    Type: Grant
    Filed: February 22, 2012
    Date of Patent: January 3, 2017
    Assignee: KANEKA CORPORATION
    Inventors: Toyohisa Fujimoto, Toshihiko Okamoto
  • Publication number: 20160032159
    Abstract: The present invention aims to provide a moisture-curable reactive hot-melt adhesive composition which contains no vinyl chloride resin, which is excellent in adhesion to oily steel sheets and electroplated steel sheets, which has high strength immediately after application to effectively improve the production cycle, and which can be suitably used in vehicle applications. This challenge is solved by a moisture-curable reactive hot-melt adhesive that includes an oxyalkylene polymer containing a reactive silyl group, an alkyl (meth)acrylate (co)polymer, a tackifying resin, and a specific inorganic filler in combination.
    Type: Application
    Filed: October 9, 2015
    Publication date: February 4, 2016
    Applicant: KANEKA CORPORATION
    Inventors: Toyohisa Fujimoto, Nobuyoshi Maizuru
  • Patent number: 9206314
    Abstract: A polycarbonate resin composition which has a high biogenic matter content, is excellent in transparency, surface hardness and impact resistance and is useful as an industrial material having excellent moldability.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: December 8, 2015
    Assignees: TEIJIN LIMITED, KANEKA CORPORATION
    Inventors: Hiroshi Okamoto, Toyohisa Fujimoto
  • Publication number: 20150218369
    Abstract: A polycarbonate resin composition which has a high biogenic matter content, is excellent in transparency, surface hardness and impact resistance and is useful as an industrial material having excellent moldability. The resin composition comprises 100 parts by weight of a polycarbonate (component A) containing not less than 30 mol % of a recurring unit represented by the following formula (1) and 2 to 20 parts by weight of an impact resistance modifier (component B), wherein the resin composition has an aggregation structure that impact resistance modifier (component B) domains are dispersed in the matrix of the polycarbonate (component A), the average size of the impact resistance modifier domains is 5 to 200 nm, and the normalized dispersity is not more than 17%.
    Type: Application
    Filed: July 31, 2013
    Publication date: August 6, 2015
    Inventors: Hiroshi Okamoto, Toyohisa Fujimoto
  • Publication number: 20150065651
    Abstract: The present invention relates to a thermoplastic resin composition comprising a rubber graft copolymer comprising a core layer containing a rubber copolymer and a shell layer grafted on the core layer and a thermoplastic resin comprising a polycarbonate resin and an aliphatic polyester resin in the mass ratio of the rubber graft copolymer/the thermoplastic resin of 3/100 or more, wherein the shell layer is obtained by polymerizing or copolymerizing a (meth)acrylate monomer having an epoxy group, and the amount of the (meth)acrylate monomer having an epoxy group is 3 parts by mass or more and less than 29 parts by mass based on 100 parts by mass of the rubber graft copolymer. The thermoplastic resin composition of the present invention can be utilized in various applications.
    Type: Application
    Filed: March 17, 2013
    Publication date: March 5, 2015
    Applicant: KANEKA CORPORATION
    Inventors: Seigo Takamido, Toyohisa Fujimoto
  • Patent number: 8901255
    Abstract: An object of the present invention is to provide a curable composition that can be used as sealing materials, adhesives, and the like, has excellent curing properties, and gives a cured product excellent in elongation properties. The object can be attained by means of a curable composition comprising: a reactive silyl group-containing polyether polymer (A) that contains a reactive silyl group with high activity (e.g., (ClCH2)(CH3O)2Si—, (CH3OCH2)(CH3O)2Si—, or CH3(CH3O)2Si—CH2—NH—C(?O)—); and a reactive silyl group-containing polyether polymer (B) that contains a reactive silyl group (e.g., CH3(CH3O)2Si— or (CH3O)3Si—) different from that mentioned above and/or a (meth)acrylic polymer (C) containing a reactive silyl group that is not particularly limited.
    Type: Grant
    Filed: August 5, 2011
    Date of Patent: December 2, 2014
    Assignee: Kaneka Corporation
    Inventors: Kiyoshi Miyafuji, Toyohisa Fujimoto, Katsuyu Wakabayashi, Toshihiko Okamoto
  • Publication number: 20140094553
    Abstract: The present invention provides a curable composition useful as a contact adhesive which has a high rate of initial tack development, high tack strength, and long retention time of the developed tack. The curable composition includes an organic polymer (Q) containing a reactive silyl group, and a linear organic polymer (P) having a number average molecular weight larger than that of the polymer (Q) and having a reactive silyl group containing three hydrolyzable groups at only one terminal. The organic polymer (P) and the organic polymer (Q) are mixed at a mixing ratio (P):(Q), in terms of parts by weight, of 60:40 to 5:95.
    Type: Application
    Filed: February 22, 2012
    Publication date: April 3, 2014
    Applicant: KANEKA CORPORATION
    Inventors: Toyohisa Fujimoto, Toshihiko Okamoto
  • Publication number: 20130225745
    Abstract: The present invention aims to provide a moisture-curable reactive hot-melt adhesive composition which contains no vinyl chloride resin, which is excellent in adhesion to oily steel sheets and electroplated steel sheets, which has high strength immediately after application to effectively improve the production cycle, and which can be suitably used in vehicle applications. This challenge is solved by a moisture-curable reactive hot-melt adhesive that includes an oxyalkylene polymer containing a reactive silyl group, an alkyl (meth)acrylate (co)polymer, a tackifying resin, and a specific inorganic filler in combination.
    Type: Application
    Filed: September 5, 2011
    Publication date: August 29, 2013
    Applicant: KANEKA CORPORATION
    Inventors: Toyohisa Fujimoto, Nobuyoshi Maizuru
  • Publication number: 20130217828
    Abstract: An object of the present invention is to provide a curable composition that can be used as sealing materials, adhesives, and the like, has excellent curing properties, and gives a cured product excellent in elongation properties. The object can be attained by means of a curable composition comprising: a reactive silyl group-containing polyether polymer (A) that contains a reactive silyl group with high activity (e.g., (ClCH2)(CH3O)2Si—, (CH3OCH2)(CH3O)2Si—, or CH3(CH3O)2Si—CH2—NH—C(?O)—); and a reactive silyl group-containing polyether polymer (B) that contains a reactive silyl group (e.g., CH3(CH3O)2Si— or (CH3O)3Si—) different from that mentioned above and/or a (meth)acrylic polymer (C) containing a reactive silyl group that is not particularly limited.
    Type: Application
    Filed: August 5, 2011
    Publication date: August 22, 2013
    Applicant: KANEKA CORPORATION
    Inventors: Kiyoshi Miyafuji, Toyohisa Fujimoto, Katsuyu Wakabayashi, Toshihiko Okamoto
  • Publication number: 20130150530
    Abstract: Provided is a curable composition prepared using a less toxic reactive silyl group-containing polymer, wherein the curable composition is useful as a reactive hot melt adhesive having an excellent balance between storage stability at high temperatures and curability at room temperature. The moisture-curing reactive hot melt adhesive composition comprises either: (A1) an organic polymer containing a reactive silicon group having two hydrolyzable groups and, as a curing catalyst, (B1) a metal carboxylate and/or a carboxylic acid; or (A2) an organic polymer containing a reactive silicon group having three hydrolyzable groups and, as a curing catalyst, (B2) a tetravalent tin compound.
    Type: Application
    Filed: May 26, 2011
    Publication date: June 13, 2013
    Applicant: KANEKA CORPORATION
    Inventors: Toyohisa Fujimoto, Toshihiko Okamoto
  • Patent number: 7868084
    Abstract: A curable composition comprises a reactive silicon group-containing polyoxyalkylene polymer which is obtained by reacting a polyoxyalkylene polymer (A) having a molecular weight distribution of 1.6 or less, a number average molecular weight of 15,000 to 50,000, and 0.8 or more reactive groups, on average, per molecule thereof with an organic compound (B) having in the molecule thereof a reactive silicon group and a functional group capable of reacting with the reactive groups of the polymer (A) in a proportion of 0.8 to 1.5 molecules of the organic compound (B), on average, per molecule of the component (A), a filler (C) and a curing catalyst (D). The composition contains no plasticizer or a small amount of plasticizer.
    Type: Grant
    Filed: March 29, 2004
    Date of Patent: January 11, 2011
    Assignee: Kaneka Corporation
    Inventor: Toyohisa Fujimoto
  • Patent number: 7151128
    Abstract: An object of the present invention is to improve a drying property of paint in application of alkyd paint to the surface of a cured material resulting from the curable composition containing an oxyalkylene polymer having at least one silicon-containing functional group capable of cross-linking by formation of at least one siloxane bond, and to provide a composition that contains an oxyalkylene polymer (A) having at least one silicon-containing functional group capable of cross-linking by formation of at least one siloxane bond and 2,6-di-t-butylhydroxytoluene wherein the content of the above-described 2,6-di-t-butylhydroxytoluene is 350 ppm or less relative to the above-described polymer (A).
    Type: Grant
    Filed: May 31, 2002
    Date of Patent: December 19, 2006
    Assignee: Kaneka Corporation
    Inventors: Toyohisa Fujimoto, Ayako Yano, Toshifumi Hirose
  • Publication number: 20060270819
    Abstract: The present invention provides a curable composition comprising a reactive silicon group-containing polyoxyalkylene polymer which is obtained by reacting a polyoxyalkylene polymer (A) having a molecular weight distribution of 1.6 or less, a number average molecular weight of 15,000 to 50,000, and 0.8 or more reactive groups, on average, per molecule thereof with an organic compound (B) having in the molecule thereof a reactive silicon group and a functional group capable of reacting with the reactive groups of the polymer (A) in a proportion of 0.8 to 1.5 molecules of the organic compound (B), on average, per molecule of the component (A), a filler (C) and a curing catalyst (D); further in which, in the liquid components contained in the curable composition, the ratio y/x of the content y (wt %) of a component having no reactive silicon group and the content x (wt %) of a component having at least one reactive silicon group is 0.
    Type: Application
    Filed: March 29, 2004
    Publication date: November 30, 2006
    Inventor: Toyohisa Fujimoto
  • Publication number: 20040138398
    Abstract: An object of the present invention is to improve a drying property of paint in application of alkyd paint to the surface of a cured material resulting from the curable composition containing an oxyalkylene polymer having at least one silicon-containing functional group capable of cross-linking by formation of at least one siloxane bond, and to provide a composition that contains an oxyalkylene polymer (A) having at least one silicon-containing functional group capable of cross-linking by formation of at least one siloxane bond and 2,6-di-t-butylhydroxytoluene wherein the content of the above-described 2,6-di-t-butylhydroxytoluene is 350 ppm or less relative to the above-described polymer (A).
    Type: Application
    Filed: November 20, 2003
    Publication date: July 15, 2004
    Inventors: Toyohisa Fujimoto, Ayako Yano, Toshifumi Hirose
  • Patent number: 6355671
    Abstract: A sulfonic acid compound of a cyclic phenol sulfide represented by formula (1): (wherein X represents a hydrogen atom, a hydrocarbon group, or an acyl group; M represents a hydrogen atom, an alkyl group, a metal, ammonium, (lower-alkyl)ammonium, (lower-alkanol)ammonium, a nitrogen-containing heterocyclic group, or an amino acid residue; Z represents Sm, SO, or SO2; m is an integer of from 1 to 7; and n is an integer of from 4 to 12, with the proviso that the plural X's, M's and Z's are each the same or different, and at least one of the plural M's is neither a hydrogen atom nor an alkyl group), or a salt thereof; a composition for separating and recovering an organic halogen compound or a monocyclic aromatic compound, comprising a cyclic phenol sulfide or a salt thereof, and a carrier; and a pharmaceutical composition a cyclic phenol sulfide or a pharmaceutically acceptable salt, and a carrier.
    Type: Grant
    Filed: June 9, 2000
    Date of Patent: March 12, 2002
    Assignees: Cosmo Research Institute, Cosmo Oil Co., Ltd.
    Inventors: Sotaro Miyano, Nobuhiko Iki, Toyohisa Fujimoto, Fumio Hamada, Shingo Kato, Yoshiyuki Hiraishi, Hitoshi Kumagai, Mitsuharu Hasegawa, Setsuko Miyanari, Yoshihiro Sugawa, Masahiro Ishizuka
  • Patent number: 4008994
    Abstract: The present invention provides an apparatus, and a method for the regeneration of spent wet active carbon, which apparatus comprises a drier for substantially drying the spent carbon, a heating furnace provided with at least one burner and at least one duct, and a regeneration chamber consisting of at least one set of inner cylinder and outer cylinder installed concentrically and vertically inside said heating furnace to penetrate the top and bottom walls of the furnace, wherein said inner and outer cylinders have respectively a multiplicity of holes penetrating the side walls thereof, said inner cylinder is connected with a supply tube for a regeneration gas capable of effecting regeneration of the dried carbon-to-be-regenerated upon contact therewith, the upper end of said outer cylinder is connected with said drier so as to receive said dried carbon therefrom while the lower end thereof forms an outlet for the regenerated carbon, and said duct is connected with the drier so as to facilitate direct or indir
    Type: Grant
    Filed: May 8, 1975
    Date of Patent: February 22, 1977
    Assignees: Japan Gasoline Co., Ltd., Takeda Chemical Industries, Ltd.
    Inventors: Kouichi Numasaki, Nobutaka Ninomiya, Zenji Matsumoto, Kiyoshi Adachi, Toyohisa Fujimoto
  • Patent number: RE46688
    Abstract: An object of the present invention is to provide a curable composition that can be used as sealing materials, adhesives, and the like, has excellent curing properties, and gives a cured product excellent in elongation properties. The object can be attained by means of a curable composition comprising: a reactive silyl group-containing polyether polymer (A) that contains a reactive silyl group with high activity (e.g., (ClCH2)(CH3O)2Si—, (CH3OCH2)(CH3O)2Si—, or CH3(CH3O)2Si—CH2—NH—C(?O)—); and a reactive silyl group-containing polyether polymer (B) that contains a reactive silyl group (e.g., CH3(CH3O)2Si— or (CH3O)3Si—) different from that mentioned above and/or a (meth)acrylic polymer (C) containing a reactive silyl group that is not particularly limited.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: January 30, 2018
    Assignee: KANEKA CORPORATION
    Inventors: Kiyoshi Miyafuji, Toyohisa Fujimoto, Katsuyu Wakabayashi, Toshihiko Okamoto