Patents by Inventor Hideyuki Uto

Hideyuki Uto 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).

  • Multilayer plated aluminum sheets
    Patent number: 5356723
    Abstract: A multilayer plated aluminum sheet suitable for use in automobile body panels comprises a base aluminum sheet made of aluminum or an aluminum alloy and has a first layer of zinc or a zinc alloy formed by displacement plating on the surface of the aluminum sheet and one or more layers of electroplated coating formed on the first layer by electroplating in an acidic bath. Preferably, the upper electroplated coating comprises at least one layer of zinc or a zinc alloy and the uppermost layer of the coating is formed from a metallic material having a melting point above 500.degree. C.
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: October 18, 1994
    Assignees: Sumitomo Metal Industries, Ltd., Sumitomo Light Metal Industries, Ltd.
    Inventors: Masanari Kimoto, Tetsuaki Tsuda, Masanori Tsuji, Yoshihiko Hoboh, Hiroshi Ikeda, Takao Aimu, Hideyuki Uto, Kiyoyuki Fukui, Keizo Namba