Patents by Inventor Yoshitaka Iwata

Yoshitaka Iwata 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).

  • Specular product of bronze-like tone
    Patent number: 4560623
    Abstract: A specular product of bronze-like tone particularly suitable for use as a decorative material. The specular product uses, as a substrate, a composite board comprising a synthetic resin sheet and metal sheets laminated thereon, and includes a nickel deposit plated on the metal sheet and a specular film of Sn-Ni alloy electroplated on the nickel deposit using a specific electroplating bath.
    Type: Grant
    Filed: May 8, 1984
    Date of Patent: December 24, 1985
    Assignee: Mitsubishi Chemical Industries, Ltd.
    Inventors: Yoshitaka Iwata, Ken Matsuda
  • Mirrors and method of manufacturing the same
    Patent number: 4508425
    Abstract: A mirror is manufactured by plating chromium on one surface of a metal sheet bonded to a composite sheet made up of a synthetic resin sheet and the metal sheet to form a mirror surface. The mirror is worked to have a desired shape. In a modified embodiment, the mirror surface is formed with a decorative pattern.
    Type: Grant
    Filed: November 18, 1982
    Date of Patent: April 2, 1985
    Assignee: Mitsubishi Keikinzoku Kogyo Kabushiki Kaisha
    Inventors: Hiroshi Tanaka, Yoshitaka Iwata