Patents by Inventor Hiroichi Mizuno

Hiroichi Mizuno 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).

  • Fish line and weed cutter for marine propeller
    Patent number: 4609361
    Abstract: A fish line and weed cutting arrangement for a marine propulsion lower unit wherein the cutting member may be formed from sheet metal or the like and is positioned between the propeller and thrust taking member. The propeller is formed with a recess that receives and rotatably couples the fish line and weed cutting member and which does not interfere with the axial positioning of the propeller on the drive shaft.
    Type: Grant
    Filed: February 14, 1984
    Date of Patent: September 2, 1986
    Assignee: Sanshin Kogyo Kabushiki Kaisha
    Inventors: Yoshitsugu Sumino, Hiroichi Mizuno