Patents by Inventor Yoshihiro Kazuha

Yoshihiro Kazuha 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).

  • Stator core, and method and apparatus for producing the same
    Patent number: 7384483
    Abstract: In a stator core having a plurality of teeth, which elongate in an inner radial direction and slots, which are configured among the teeth, powder is caused to adhere to the stator core, the powder adhering to an inner peripheral face of the stator core is removed, and the stator core is heated to melt and harden the powder.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: June 10, 2008
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Syuuichi Tamura, Tsuyoshi Takahashi, Shuji Tohyama, Yoshihiro Kazuha, Atsushi Oohashi, Katsuya Kinoshita
  • Stator core, and method and apparatus for producing the same
    Publication number: 20050057104
    Abstract: In a stator core having a plurality of teeth, which elongate in an inner radial direction and slots, which are configured among the teeth, powder is caused to adhere to the stator core, the powder adhering to an inner peripheral face of the stator core is removed, and the stator core is heated to melt and harden the powder.
    Type: Application
    Filed: October 21, 2004
    Publication date: March 17, 2005
    Inventors: Syuuichi Tamura, Tsuyoshi Takahashi, Shuji Tohyama, Yoshihiro Kazuha, Atsushi Oohashi, Katsuya Kinoshita
  • Stator core, and method and apparatus for producing the same
    Patent number: 6856052
    Abstract: In a stator core having a plurality of teeth, which elongate in an inner radial direction and slots, which are configured among the teeth, powder is caused to adhere to the stator core, the powder adhering to an inner peripheral face of the stator core is removed, and the stator core is heated to melt and harden the powder.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: February 15, 2005
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Syuuichi Tamura, Tsuyoshi Takahashi, Shuji Tohyama, Yoshihiro Kazuha, Atsushi Oohashi, Katsuya Kinoshita
  • Stator core, and method and apparatus for producing the same
    Publication number: 20030141770
    Abstract: In a stator core having a plurality of teeth, which elongate in an inner radial direction and slots, which are configured among the teeth, powder is caused to adhere to the stator core, the powder adhering to an inner peripheral face of the stator core is removed, and the stator core is heated to melt and harden the powder.
    Type: Application
    Filed: July 31, 2002
    Publication date: July 31, 2003
    Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA
    Inventors: Syuuichi Tamura, Tsuyoshi Takahashi, Shuji Tohyama, Yoshihiro Kazuha, Atsushi Oohashi, Katsuya Kinoshita