Patents by Inventor Souhei Yamada

Souhei Yamada 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 and method for manufacturing armature
    Patent number: 7221067
    Abstract: An armature for a motor. The armature includes a core formed of compression-molded metal powder. The core has a continuous outer wall, an inner wall defining a slot, and a nonmagnetic section arranged on the outer wall. A coil is arranged in the slot. The coil and the slot have the same hexagonal shape to minimize gaps when the coil is fitted in the slot.
    Type: Grant
    Filed: April 23, 2004
    Date of Patent: May 22, 2007
    Assignee: ASMO, Co. Ltd.
    Inventors: Kazushi Sugishima, Akihiro Suzuki, Souhei Yamada
  • Armature and method for manufacturing armature
    Publication number: 20040212256
    Abstract: An armature for a motor. The armature includes a core formed of compression-molded metal powder. The core has a continuous outer wall, an inner wall defining a slot, and a nonmagnetic section arranged on the outer wall. A coil is arranged in the slot. The coil and the slot have the same hexagonal shape to minimize gaps when the coil is fitted in the slot.
    Type: Application
    Filed: April 23, 2004
    Publication date: October 28, 2004
    Inventors: Kazushi Sugishima, Akihiro Suzuki, Souhei Yamada