Patents by Inventor Yukiko Fukaya

Yukiko Fukaya 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).

  • Sliding member, a method for producing same, and usages of same
    Patent number: 5364248
    Abstract: The object of the present invention is to provide sliding members having preferable lubrication and seizure resistance. Sliding members comprising a columnar texture which is composed from at least one of metal nitrides, metal oxides, metal carbides, and metals on a base member, wherein the columnar texture is composed of assemblies of fine columnar asperities, with intervals formed between the columnar asperities being connected to each other so as to form a net work, and with gaseous, liquid, or solid lubricants being maintained in the intervals. The mutually connected intervals in the columnar texture are superior in filling and holding of lubricants, and the above described superiorities improve lubrication and seizure resistance and extend sliding life.
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: November 15, 1994
    Assignee: Hitachi, Ltd.
    Inventors: Shoichi Nakashima, Yukiko Fukaya, Katsuhiro Komuro, Tadashi Iizuka