Patents by Inventor Toshio Gokyu

Toshio Gokyu 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).

  • Rotor with permanent magnets having thermal expansion gaps
    Patent number: 4678954
    Abstract: A pair of positioning rings are engaged on the outer peripheral surface of a shaft, and a plurality of permanent magnets are provided on the outer surface of the shaft between the positioning rings. The permanent magnets are bonded to the shaft by a bonding agent which fills the spaces between the shaft and the permanent magnets, and an air gap is formed between the permanent magnets and the positioning rings, to allow thermal expansion.
    Type: Grant
    Filed: June 2, 1986
    Date of Patent: July 7, 1987
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tamio Takeda, Toshio Gokyu, Yuji Mizutani, Jun Nakashima
  • Solid insulator and electric equipment coil using the same
    Patent number: 4486506
    Abstract: A solid insulator for an electric equipment coil is proposed which comprises a base film of a polyester, and a protective film of a resin selected from the group consisting of polypropylene, polyester, fluoropolymer, and aramid resin, which is formed on at least one major surface of said base film. There is also proposed an electric equipment coil comprising a winding which is resistive to hydrolysis and chemicals, an insulating film surrounding said winding, and a water-soluble insulating varnish filled and cured under heating between turns of said winding, wherein said insulating film comprises above said solid insulator.
    Type: Grant
    Filed: October 14, 1982
    Date of Patent: December 4, 1984
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Susumu Kenjo, Minoru Shimahara, Toshio Gokyu