Patents by Inventor Mamoru Himukai

Mamoru Himukai 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).

  • Patent number: 4545794
    Abstract: The present invention provides a vacuum cleaner comprising a body housing an electric powered blower, a dust case being connected to and free to be detached from the body, a lid having an intake and being fitted to the dust case, which lid is free to be opened and closed, a bag-shaped filter being freely fitted to and removable from the inner surface of the lid and communicating with the intake, and a dust dumping aperture provided in the dust case and accessible by pivoting away a filter housing unit, the dust dumping aperture being used to remove the bag-shaped filter from the dust case.
    Type: Grant
    Filed: November 5, 1982
    Date of Patent: October 8, 1985
    Assignee: Sanyo Electric Co., Ltd.
    Inventor: Mamoru Himukai