Patents by Inventor Hisakiti Onodera

Hisakiti Onodera 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: 4236925
    Abstract: A method of producing a sintered material having a high wearing resistance and damping capacity by mixing 5-30 wt. % of a powdery metal selected from the group consisting of lead, magnesium and graphite with the remainder of a powdery metal selected from the group consisting of iron, copper, aluminum, cast iron and alloys thereof, compression-molding the mixture, subjecting the same to plastic treatment and sintering the same by heating to a temperature above a recrystallization point of the matrix metal, and the sintered material thus produced.
    Type: Grant
    Filed: August 10, 1978
    Date of Patent: December 2, 1980
    Assignee: Hitachi, Ltd.
    Inventors: Jin Onuke, Masateru Suwa, Ko Soeno, Akio Okayama, Masatoshi Tsuchiya, Hisakiti Onodera