Patents by Inventor Sumyong Hong

Sumyong Hong 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).

  • Boronized sliding material
    Patent number: 5082512
    Abstract: Seizure resistance of boronized sliding material is improved by surface microstructure, i.e., co-existence of the Fe.sub.2 B phase and Fe.sub.3 B phase.
    Type: Grant
    Filed: June 22, 1989
    Date of Patent: January 21, 1992
    Assignee: Taiho Kogyo Co., Ltd.
    Inventors: Kenichiro Futamura, Sumyong Hong, Sinichi Mizuguchi