Patents by Inventor Hirokichi Narisawa

Hirokichi Narisawa 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).

  • Apparatus for routering tuberous sprouts
    Patent number: 4541331
    Abstract: An apparatus for routering sprouts of a tuber such as a potato has: a drill-like blade having a distal end with a tapered portion; a blade motor for rotating the drill-like blade; a drilling unit having a feeding unit for reciprocally feeding the drill-like blade; a rotating member mounted with a hydropneumatic cylinder having clamping members for clamping the tuber therebetween; and a tuber motor for rotating the rotating member.
    Type: Grant
    Filed: June 6, 1984
    Date of Patent: September 17, 1985
    Inventors: Hirokichi Narisawa, Tatsuo Nagaoka