Patents by Inventor Yasuhiro Oku

Yasuhiro Oku 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).

  • Vehicle power transmission device
    Patent number: 8366575
    Abstract: A power transmission device that includes an uppermost side bearing; a lower side bearing; an uppermost side lubricating medium storage portion defined between the uppermost side bearing and the case to guide a lubricating medium to the uppermost side bearing; a lower side lubricating medium storage portion defined between the lower side bearing and the case to guide a lubricating medium to the lower side bearing, and located below the uppermost side lubricating medium storage portion when installing the power transmission device for a vehicle on the vehicle; and a communicating passage formed in the case to communicate the uppermost side lubricating medium storage portion and the lower side lubricating medium storage portion with each other.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: February 5, 2013
    Assignees: Aisin AW Co., Ltd., Toyota Jidosha Kabushiki Kaisha
    Inventors: Michihiro Ariga, Yasuhiro Oku, Syoichi Sayo
  • Vehicle power transmission device
    Publication number: 20100083792
    Abstract: A power transmission device that includes an uppermost side bearing; a lower side bearing; an uppermost side lubricating medium storage portion defined between the uppermost side bearing and the case to guide a lubricating medium to the uppermost side bearing; a lower side lubricating medium storage portion defined between the lower side bearing and the case to guide a lubricating medium to the lower side bearing, and located below the uppermost side lubricating medium storage portion when installing the power transmission device for a vehicle on the vehicle; and a communicating passage formed in the case to communicate the uppermost side lubricating medium storage portion and the lower side lubricating medium storage portion with each other.
    Type: Application
    Filed: September 28, 2009
    Publication date: April 8, 2010
    Applicants: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Michihiro Ariga, Yasuhiro Oku, Syoichi Sayo