Patents by Inventor Uichi Honma

Uichi Honma 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).

  • Heat and wear resistant sintered alloy
    Patent number: 3982907
    Abstract: A heat and wear resistant sintered alloy produced by compacting and sintering a powdery mixture comprising, in percent by weight, C:0.2 - 2.0%, Cr:2.0 - 9.9%, Mo:0.3 - 1.5%, Co:3.0 - 10.0%, W:0.5 - 5.0% with the balance, totaling 100 wt.%, being substantially Fe.
    Type: Grant
    Filed: October 31, 1974
    Date of Patent: September 28, 1976
    Assignee: Nippon Piston Ring Co., Ltd.
    Inventor: Uichi Honma