Patents by Inventor Ryuji Asaoka

Ryuji Asaoka 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).

  • Internal combustion engine starter having laminated plates simultaneously forming the switch yoke and the motor yoke
    Patent number: 4631434
    Abstract: A starter for an internal combustion engine having a starter motor and a magnet switch arranged in parallel with the starter motor, wherein a switch yoke of the magnet switch and a motor yoke of the starter motor are formed by laminating a plurality of magnetic lamination plates having a first section forming the switch yoke, a second section forming the motor yoke, and a connecting portion forming a common magnetic flux path for both sections.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: December 23, 1986
    Assignee: Nippondenso Co., Ltd.
    Inventors: Ryuji Asaoka, Yasuhiro Nagao