Patents by Inventor Yukinobu YAMAGATA

Yukinobu YAMAGATA 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).

  • HYDRAULIC CONTROL DEVICE FOR AUTOMATIC TRANSMISSION AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20190101140
    Abstract: A hydraulic control device for an automatic transmission, the hydraulic control device including: a first layer having a first parting surface and a plurality of first grooves formed in the first parting surface; and a second layer that has a second parting surface and a plurality of second grooves formed in the second parting surface and facing the plurality of first grooves, and that is stacked on the first layer in a stacking direction with the second parting surface facing the first parting surface of the first layer, so that the plurality of first grooves and the plurality of second grooves form a plurality of first oil passages.
    Type: Application
    Filed: April 20, 2017
    Publication date: April 4, 2019
    Applicant: AISIN AW CO., LTD.
    Inventors: Kaname MATSUYAMA, Eikichi KIDOKORO, Kazuyuki NODA, Atsushi MORI, Katsuhiro MAENO, Yukinobu YAMAGATA