Patents by Inventor Haruhisa Masuda

Haruhisa Masuda 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: 11189399
    Abstract: The present invention aims to provide a paste containing polytetrafluoroethylene which can be formed into a molded polytetrafluoroethylene article having a significantly small thickness of polytetrafluoroethylene and is less likely to cause defects in molding; and a method of producing the paste. The present invention provides a method of producing a paste, including the steps of coagulating primary particles of polytetrafluoroethylene in an aqueous dispersion that contains the primary particles and water to form slurry that contains secondary particles of polytetrafluoroethylene and water or secondary particles of polytetrafluoroethylene floating in water; and adding an organic solvent to at least one of the slurry and the secondary particles of polytetrafluoroethylene floating in water to provide the paste.
    Type: Grant
    Filed: February 27, 2015
    Date of Patent: November 30, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiroyuki Yoshimoto, Kohei Yasuda, Kazuya Kawahara, Haruhisa Masuda, Masayuki Tsuji
  • Patent number: 11024441
    Abstract: The present invention aims to provide and insulated wire having an insulation layer which is excellent in insulation properties and has a low dielectric constant. The insulated wire of the present invention includes a conductor (A) and an insulation layer (B) formed around the periphery of the conductor (A). The insulation layer (B) is formed from a resin composition containing an aromatic polyether ketone resin (I) and a fluororesin (II). The fluororesin (II) is a copolymer of tetrafluoroethylene and a perfluoroethylenic unsaturated compound represented by the following formula (1): CF2?CF—Rf1??(1) wherein Rf1 represents —CF3 or —ORf2, and Rf2 is a C1-C5 perfluoroalkyl group. The aromatic polyether ketone resin (I) and the fluororesin (II) satisfy a melt viscosity ratio (I)/(II) of 0.3 to 5.0.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: June 1, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Haruhisa Masuda, Yuki Adachi
  • Patent number: 10991478
    Abstract: An object of the present invention is to provide an insulated wire which includes an insulating layer with a low relative permittivity and has excellent heat resistance and excellent abrasion resistance. The insulated wire of the present invention includes a conductor (A), and an insulating layer (B) formed on the periphery of the conductor (A), the insulating layer (B) is formed from a resin composition that contains a resin (I) with a relative permittivity of 3.0 to 4.0 and a fluororesin (II).
    Type: Grant
    Filed: January 7, 2014
    Date of Patent: April 27, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Haruhisa Masuda, Yuki Ueda, Masami Nishiumi
  • Patent number: 10964444
    Abstract: The present invention aims to provide a resin composition which can provide a molded article excellent in insulation and showing a low relative permittivity and which causes no melt fracture even when extrusion-molded at a high shear rate. The resin composition of the present invention includes an aromatic polyether ketone resin (I) and a fluororesin (II). The fluororesin (II) is a copolymer of tetrafluoroethylene and a perfluoro ethylenically unsaturated compound represented by the following formula (1): CF2?CF—Rf1??(1) wherein Rf1 represents —CF3 or —ORf2; and Rf2 represents a C1-C5 perfluoroalkyl group. The aromatic polyether ketone resin (I) and the fluororesin (II) satisfy a melt viscosity ratio (I)/(II) of not lower than 0.001 but lower than 0.3.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: March 30, 2021
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuki Ueda, Masami Nishiumi, Haruhisa Masuda
  • Patent number: 10611909
    Abstract: A resin composition including an aromatic polyether ketone resin (I), and a fluororesin (II), the fluororesin (II) being a copolymer of tetrafluoroethylene and a perfluoroethylenic unsaturated compound represented by the following formula (1): CF2?CF—Rf1??(1) wherein Rf1 represents —CF3 or —ORf2, and Rf2 represents a C1 to C5 perfluoroalkyl group; the composition containing the aromatic polyether ketone resin (I) and the fluororesin (II) at a mass ratio (I):(II) of 95:5 to 50:50; the fluororesin (II) being dispersed as particles in the aromatic polyether ketone resin (I) and having an average dispersed particle size of 3.0 ?m or smaller.
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: April 7, 2020
    Assignees: TSINGHUA UNIVERSITY, DAIKIN INDUSTRIES, LTD.
    Inventors: Xuming Xie, Haruhisa Masuda
  • Patent number: 10294362
    Abstract: The present invention aims to provide a resin composition capable of providing a molded article which is excellent in flexibility, acid resistance, and electrical properties. The resin composition of the present invention includes: an aromatic polyether ketone resin (I); and a fluororesin (II), the fluororesin (II) being a copolymer of tetrafluoroethylene and a perfluoroethylenic unsaturated compound represented by the following formula (1): CF2?CF—Rf1 (1) wherein Rf1 represents —CF3 or —ORf2, and Rf2 represents a C1-C5 perfluoroalkyl group, the fluororesin (II) being dispersed as particles in the aromatic polyether ketone resin (I), the resin composition satisfying a ratio (I):(II) by mass between the aromatic polyether ketone resin (I) and the fluororesin (II) of 50:50 to 10:90.
    Type: Grant
    Filed: July 23, 2013
    Date of Patent: May 21, 2019
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuki Ueda, Masami Nishiumi, Haruhisa Masuda
  • Patent number: 10113041
    Abstract: The present invention aims to provide a film having excellent mechanical strength and abrasion resistance. The film of the present invention contains an aromatic polyether ketone resin (I) and a fluororesin (II). The aromatic polyether ketone resin (I) has a crystallinity of 10% or higher.
    Type: Grant
    Filed: July 16, 2015
    Date of Patent: October 30, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Koji Nakanishi, Yuki Ueda, Haruhisa Masuda, Kazuki Sakami
  • Patent number: 9873781
    Abstract: The present invention aims to provide an acrylic rubber composition capable of giving an acrylic rubber molded product good in low-friction properties and non-sticking properties. The present invention relates to an acrylic rubber composition containing an acrylic rubber (A) and a fluororesin (B), the fluororesin (B) being a perfluororesin.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: January 23, 2018
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomihiko Yanagiguchi, Yasuhiro Nakano, Haruhisa Masuda, Takahiro Kitahara
  • Publication number: 20170204233
    Abstract: The present invention aims to provide a film having excellent mechanical strength and abrasion resistance. The film of the present invention contains an aromatic polyether ketone resin (I) and a fluororesin (II). The aromatic polyether ketone resin (I) has a crystallinity of 10% or higher.
    Type: Application
    Filed: July 16, 2015
    Publication date: July 20, 2017
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Koji NAKANISHI, Yuki UEDA, Haruhisa MASUDA, Kazuki SAKAMI
  • Patent number: 9663638
    Abstract: An object of the present invention is to provide an acrylonitrile-butadiene rubber composition that can provide an acrylonitrile-butadiene rubber molded article having excellent properties of non-stickiness, oil resistance, heat resistance, and low-friction properties. The acrylonitrile-butadiene rubber composition of the present invention includes: an acrylonitrile-butadiene rubber (A); and a fluororesin (B), the fluororesin (B) being a perhalopolymer, the composition formed from a co-coagulated composition obtainable by co-coagulating the acrylonitrile-butadiene rubber (A) and the fluororesin (B).
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: May 30, 2017
    Assignee: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomihiko Yanagiguchi, Haruhisa Masuda
  • Publication number: 20170121523
    Abstract: A resin composition including an aromatic polyether ketone resin (I), and a fluororesin (II), the fluororesin (II) being a copolymer of tetrafluoroethylene and a perfluoroethylenic unsaturated compound represented by the following formula (1): CF2?CF—Rf1 ??(1) wherein Rf1 represents —CF3 or —ORf2, and Rf2 represents a C1 to C5 perfluoroalkyl group; the composition containing the aromatic polyether ketone resin (I) and the fluororesin (II) at a mass ratio (I):(II) of 95:5 to 50:50; the fluororesin (II) being dispersed as particles in the aromatic polyether ketone resin (I) and having an average dispersed particle size of 3.0 ?m or smaller.
    Type: Application
    Filed: January 13, 2017
    Publication date: May 4, 2017
    Applicants: TSINGHUA UNIVERSITY, DAIKIN INDUSTRIES, LTD.
    Inventors: Xuming XIE, Haruhisa MASUDA
  • Patent number: 9605144
    Abstract: A resin composition including an aromatic polyether ketone resin (I), and a fluororesin (II), the fluororesin (II) being a copolymer of tetrafluoroethylene and a perfluoroethylenic unsaturated compound represented by the following formula (1): CF2?CF—Rf1??(1) wherein Rf1 represents —CF3 or —ORf2, and Rf2 represents a C1 to C5 perfluoroalkyl group; the composition containing the aromatic polyether ketone resin (I) and the fluororesin (II) at a mass ratio (I):(II) of 95:5 to 50:50; the fluororesin (II) being dispersed as particles in the aromatic polyether ketone resin (I) and having an average dispersed particle size of 3.0 ?m or smaller.
    Type: Grant
    Filed: July 25, 2014
    Date of Patent: March 28, 2017
    Assignees: TSINGHUA UNIVERSITY, DAIKIN INDUSTRIES, LTD.
    Inventors: Xuming Xie, Haruhisa Masuda
  • Publication number: 20160372240
    Abstract: The present invention aims to provide a paste containing polytetrafluoroethylene which can be formed into a molded polytetrafluoroethylene article having a significantly small thickness of polytetrafluoroethylene and is less likely to cause defects in molding; and a method of producing the paste. The present invention provides a method of producing a paste, including the steps of coagulating primary particles of polytetrafluoroethylene in an aqueous dispersion that contains the primary particles and water to form slurry that contains secondary particles of polytetrafluoroethylene and water or secondary particles of polytetrafluoroethylene floating in water; and adding an organic solvent to at least one of the slurry and the secondary particles of polytetrafluoroethylene floating in water to provide the paste.
    Type: Application
    Filed: February 27, 2015
    Publication date: December 22, 2016
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hiroyuki YOSHIMOTO, Kohei YASUDA, Kazuya KAWAHARA, Haruhisa MASUDA, Masayuki TSUJI
  • Patent number: 9518009
    Abstract: The present invention provides a compound of the formula (I): wherein: R2 and R3 represent each independently a hydrogen atom or a hydrocarbon group; A represents an s-valent organic group; and s is an integer of 2-10. This nitrileoxide compound has stable and can be easily produced.
    Type: Grant
    Filed: March 6, 2015
    Date of Patent: December 13, 2016
    Assignees: DAIKIN INDUSTRIES, LTD., TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Tadashi Kanbara, Tsuyoshi Noguchi, Haruhisa Masuda, Haruhiko Mouri, Toshikazu Takata, Satoshi Uchida, Yasuhito Koyama, ChenGang Wang, Shunsuke Monjiyama, Hiromitsu Sogawa
  • Patent number: 9382414
    Abstract: A thermoplastic resin composition having a high flame retardancy in a thin-wall molded product and a molded article thereof are provided. The thermoplastic resin composition comprises (A) a thermoplastic resin containing a repeating unit having an arylene group, an ether group, and a carbonyl group and (B) a thermoplastic fluorine-containing resin. The weight ratio of the thermoplastic resin (A) and the thermoplastic fluorine-containing resin (B) in the former/the latter is 80/20 to 99/1. The thermoplastic fluorine-containing resin (B) is dispersed in the form of a particle in the thermoplastic resin (A) to form a dispersed phase, and the dispersed phase has an average particle diameter of not more than 3 ?m. The thermoplastic resin composition is suitable for forming a molded article having a thin-wall portion with a thickness of not more than 1.5 mm.
    Type: Grant
    Filed: August 21, 2013
    Date of Patent: July 5, 2016
    Assignee: DAICEL-EVONIK LTD.
    Inventors: Mitsuteru Mutsuda, Tatsuki Akashi, Yuki Adachi, Haruhisa Masuda
  • Publication number: 20160163413
    Abstract: The present invention aims to provide a resin composition which can provide a molded article excellent in insulation and showing a low relative permittivity and which causes no melt fracture even when extrusion-molded at a high shear rate. The resin composition of the present invention includes an aromatic polyether ketone resin (I) and a fluororesin (II). The fluororesin (II) is a copolymer of tetrafluoroethylene and a perfluoro ethylenically unsaturated compound represented by the following formula (1): CF2?CF-Rf1 ??(1) wherein Rf1 represents —CF3 or —ORf2; and Rf2 represents a C1-C5 perfluoroalkyl group. The aromatic polyether ketone resin (I) and the fluororesin (II) satisfy a melt viscosity ratio (I)/(II) of not lower than 0.001 but lower than 0.3.
    Type: Application
    Filed: July 24, 2014
    Publication date: June 9, 2016
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Yuki UEDA, Masami NISHIUMI, Haruhisa MASUDA
  • Publication number: 20160002447
    Abstract: An object of the present invention is to provide an acrylonitrile-butadiene rubber composition that can provide an acrylonitrile-butadiene rubber molded article having excellent properties of non-stickiness, oil resistance, heat resistance, and low-friction properties. The acrylonitrile-butadiene rubber composition of the present invention includes: an acrylonitrile-butadiene rubber (A); and a fluororesin (B), the fluororesin (B) being a perhalopolymer, the composition formed from a co-coagulated composition obtainable by co-coagulating the acrylonitrile-butadiene rubber (A) and the fluororesin (B).
    Type: Application
    Filed: February 28, 2014
    Publication date: January 7, 2016
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Tomihiko YANAGIGUCHI, Haruhisa MASUDA
  • Publication number: 20150357084
    Abstract: An object of the present invention is to provide an insulated wire which includes an insulating layer with a low relative permittivity and has excellent heat resistance and excellent abrasion resistance. The insulated wire of the present invention includes a conductor (A), and an insulating layer (B) formed on the periphery of the conductor (A), the insulating layer (B) is formed from a resin composition that contains a resin (I) with a relative permittivity of 3.0 to 4.0 and a fluororesin (II).
    Type: Application
    Filed: January 7, 2014
    Publication date: December 10, 2015
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Haruhisa MASUDA, Yuki UEDA, Masami NISHIUMI
  • Publication number: 20150259525
    Abstract: A thermoplastic resin composition having a high flame retardancy in a thin-wall molded product and a molded article thereof are provided. The thermoplastic resin composition comprises (A) a thermoplastic resin containing a repeating unit having an arylene group, an ether group, and a carbonyl group and (B) a thermoplastic fluorine-containing resin. The weight ratio of the thermoplastic resin (A) and the thermoplastic fluorine-containing resin (B) in the former/the latter is 80/20 to 99/1. The thermoplastic fluorine-containing resin (B) is dispersed in the form of a particle in the thermoplastic resin (A) to form a dispersed phase, and the dispersed phase has an average particle diameter of not more than 3 ?m. The thermoplastic resin composition is suitable for forming a molded article having a thin-wall portion with a thickness of not more than 1.5 mm.
    Type: Application
    Filed: August 21, 2013
    Publication date: September 17, 2015
    Applicants: Daikin Industries, Ltd., Daicel-Evonik Ltd.
    Inventors: Mitsuteru Mutsuda, Tatsuki Akashi, Yuki Adachi, Haruhisa Masuda
  • Publication number: 20150251995
    Abstract: The present invention provides a compound of the formula (I): wherein: R2 and R3 represent each independently a hydrogen atom or a hydrocarbon group; A represents an s-valent organic group; and s is an integer of 2-10. This nitrileoxide compound has stable and can be easily produced.
    Type: Application
    Filed: March 6, 2015
    Publication date: September 10, 2015
    Applicants: TOKYO INSTITUTE OF TECHNOLOGY, DAIKIN INDUSTRIES, LTD.
    Inventors: Tadashi KANBARA, Tsuyoshi NOGUCHI, Haruhisa MASUDA, Haruhiko MOURI, Toshikazu TAKATA, Satoshi UCHIDA, Yasuhito KOYAMA, ChenGang WANG, Shunsuke MONJIYAMA, Hiromitsu SOGAWA