Patents by Inventor Yasuo Imada

Yasuo Imada 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).

  • Patent number: 4028097
    Abstract: The coefficient-of-friction of iron base alloys containing molybdenum is lowered by incorporation of sulphur or selenium. The wear resistance is greatly increased by adding carbon with little if any increase in the coefficient-of-friction. A method of preparation is disclosed.
    Type: Grant
    Filed: February 3, 1976
    Date of Patent: June 7, 1977
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Yoshiyuki Mizutani, Masaaki Tada, Yasuo Imada