Patents by Inventor Kiyotomo Mirua

Kiyotomo Mirua 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 circuit device and hybrid drive system using that hydraulic circuit device
    Patent number: 7637336
    Abstract: Drain holes are arranged in positions offset from valve holes of a valve body. The drain holes have a long chimney-shaped space such that even if insulation material, that has peeled off of an electric motor, is suspended in oil, it is less likely to enter drain chambers through the drain holes.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: December 29, 2009
    Assignees: Aisin AW Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Kazuhito Enomoto, Kiyotomo Mirua, Satoru Wakuta, Kazuhisa Ozaki, Nobuyuki Nagashima, Masato Fujikawa, Tomoyuki Maruyama, Masatoshi Adachi
  • Hydraulic circuit device and hybrid drive system using that hydraulic circuit device
    Publication number: 20060231339
    Abstract: Drain holes are arranged in positions offset from valve holes of a valve body. The drain holes have a long chimney-shaped space such that even if insulation material, that has peeled off of an electric motor, is suspended in oil, it is less likely to enter drain chambers through the drain holes.
    Type: Application
    Filed: March 17, 2006
    Publication date: October 19, 2006
    Applicants: Aisin AW Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Kazuhito Enomoto, Kiyotomo Mirua, Satoru Wakuta, Kazuhisa Ozaki, Nobuyuki Nagashima, Masato Fujikawa, Tomoyuki Maruyama, Masatoshi Adachi