Patents by Inventor Hisashi KUSUMORI

Hisashi KUSUMORI 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).

  • Coating material for electrical equipment, method for manufacturing coating material for electrical equipment, and closed insulating device
    Patent number: 9890296
    Abstract: There are provided a coating material for electrical equipment, a method for manufacturing a coating material for electrical equipment, and a closed insulating device, capable of suppressing floating and moving around of foreign substances in electrical equipment. A coating material for electrical equipment 20 in an embodiment includes: a matrix resin 50 composed of an epoxy resin; a first filler 10 dispersedly contained in the matrix resin 50 and composed of whiskers having a semiconductive specific volume resistivity; a second filler 30 dispersedly contained in the matrix resin 50 and composed of particles having a semiconductive specific volume resistivity; and a third filler 40 dispersedly contained in the matrix resin 50 and composed of a planar, fibrous, or lamellar substance having insulating properties.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: February 13, 2018
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hidehito Matsuzaki, Hisashi Kusumori, Kenichi Nojima, Toshiyuki Nakano, Masafumi Takei
  • Nonlinear resistive coating material, bus, and stator coil
    Patent number: 9812235
    Abstract: A nonlinear resistive coating material 20 in an embodiment includes: a matrix resin 22 made of an epoxy resin which is cured by adding a curing agent thereto; ZnO-containing particles 21 dispersedly contained in the matrix resin 22 and made of a sintered compact containing ZnO as a main component; and semiconductive surface-treated whiskers 10 dispersedly contained in the matrix resin 22 and made of ZnO subjected to titanate coupling surface modification treatment.
    Type: Grant
    Filed: July 17, 2015
    Date of Patent: November 7, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hidehito Matsuzaki, Hisashi Kusumori, Motoharu Shiiki, Hideyasu Ando, Kenichi Nojima, Toshiyuki Nakano, Masafumi Takei
  • COATING MATERIAL FOR ELECTRICAL EQUIPMENT, METHOD FOR MANUFACTURING COATING MATERIAL FOR ELECTRICAL EQUIPMENT, AND CLOSED INSULATING DEVICE
    Publication number: 20160009948
    Abstract: There are provided a coating material for electrical equipment, a method for manufacturing a coating material for electrical equipment, and a closed insulating device, capable of suppressing floating and moving around of foreign substances in electrical equipment. A coating material for electrical equipment 20 in an embodiment includes: a matrix resin 50 composed of an epoxy resin; a first filler 10 dispersedly contained in the matrix resin 50 and composed of whiskers having a semiconductive specific volume resistivity; a second filler 30 dispersedly contained in the matrix resin 50 and composed of particles having a semiconductive specific volume resistivity; and a third filler 40 dispersedly contained in the matrix resin 50 and composed of a planar, fibrous, or lamellar substance having insulating properties.
    Type: Application
    Filed: September 22, 2015
    Publication date: January 14, 2016
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hidehito MATSUZAKI, Hisashi KUSUMORI, Kenichi NOJIMA, Toshiyuki NAKANO, Masafumi TAKEI
  • NONLINEAR RESISTIVE COATING MATERIAL, BUS, AND STATOR COIL
    Publication number: 20150325344
    Abstract: A nonlinear resistive coating material 20 in an embodiment includes: a matrix resin 22 made of an epoxy resin which is cured by adding a curing agent thereto; ZnO-containing particles 21 dispersedly contained in the matrix resin 22 and made of a sintered compact containing ZnO as a main component; and semiconductive surface-treated whiskers 10 dispersedly contained in the matrix resin 22 and made of ZnO subjected to titanate coupling surface modification treatment.
    Type: Application
    Filed: July 17, 2015
    Publication date: November 12, 2015
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hidehito MATSUZAKI, Hisashi KUSUMORI, Motoharu SHllKI, Hideyasu ANDO, Kenichi NOJIMA, Toshiyuki NAKANO, Masafumi TAKEI