Patents by Inventor Susumu Satoo

Susumu Satoo 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).

  • Vacuum cleaner
    Patent number: 4955105
    Abstract: A vacuum cleaner comprises a vacuum cleaner body in which at least a dust collecting chamber, an electric blower chamber, and an exhaust chamber are formed integrally and an accommodating case for accommodating the vacuum cleaner body and attachments of the vacuum cleaner, and a suction opening and an exhaust opening are provided in the accommodating case which includes a body case accommodating at least the vacuum cleaner body and a cover case for covering an opening of the body case, with the result that a portable, compact vacuum cleaner is provided.
    Type: Grant
    Filed: March 2, 1988
    Date of Patent: September 11, 1990
    Assignee: Hitachi, Ltd.
    Inventors: Masao Sunagawa, Fumio Jyoraku, Yoshitaro Ishii, Susumu Satoo