Patents by Inventor Nobuo Mitsuya

Nobuo Mitsuya 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).

  • Cooling fan for automobiles
    Patent number: 4568242
    Abstract: A cooling fan for automobiles which is drivable by an electric motor includes a plurality of blades, each having distal and proximal ends inclined at attachment angles larger than an attachment angle at which an intermediate portion of the blade is inclined, thereby reducing noises produced by the cooling fan.
    Type: Grant
    Filed: October 26, 1984
    Date of Patent: February 4, 1986
    Assignee: Nippondenso Co., Ltd.
    Inventors: Sumio Susa, Hideaki Okamoto, Nobuo Mitsuya