Patents by Inventor Kazumasa IWATSUKI

Kazumasa IWATSUKI 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).

  • Armature, armature manufacturing method, and rotating electrical device
    Patent number: 10439472
    Abstract: An armature manufacturing method includes preparing a core member that includes a rotation shaft at a central portion and that is formed with plural teeth in a radiating shape centered on the rotation shaft; and winding winding wires onto slots between the plural teeth so as to form plural types of winding coil sections, each with a different winding wire diameter.
    Type: Grant
    Filed: July 4, 2016
    Date of Patent: October 8, 2019
    Assignee: DENSO CORPORATION
    Inventors: Kazumasa Iwatsuki, Eiji Hoshikawa, Takeshi Mamiya, Tomoki Kubo, Kiyomi Takahashi, Masayuki Inoue
  • ARMATURE, ARMATURE MANUFACTURING METHOD, AND ROTATING ELECTRICAL DEVICE
    Publication number: 20170012490
    Abstract: An armature manufacturing method includes preparing a core member that includes a rotation shaft at a central portion and that is formed with plural teeth in a radiating shape centered on the rotation shaft; and winding winding wires onto slots between the plural teeth so as to form plural types of winding coil sections, each with a different winding wire diameter.
    Type: Application
    Filed: July 4, 2016
    Publication date: January 12, 2017
    Inventors: Kazumasa IWATSUKI, Eiji HOSHIKAWA, Takeshi MAMIYA, Tomoki KUBO, Kiyomi TAKAHASHI, Masayuki INOUE