Patents by Inventor Yoshikazu Soshiki

Yoshikazu Soshiki 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).

  • Process for preparation of plastic molded articles having metal film
    Patent number: 4180448
    Abstract: The present invention relates to a process for the preparation of plastic molded articles having a metal film and exhibiting a metallic luster, said process comprising (a) coating an ultraviolet-curing acrylic resin type undercoating paint on the surface of a plastic molded article and irradiating the molded article with ultraviolet rays to form a base coat layer, (b) forming a metal film layer of chromium or stainless steel on the base coat layer by a sputtering process, and (c) coating on the metal film layer a top coating paint comprising as main components an acryl polyol having an OH value of 10 to 200 and an acid value of 1 to 12 and a non-yellowing polyisocyanate and curing the top coating paint to form a top coat layer.
    Type: Grant
    Filed: December 13, 1978
    Date of Patent: December 25, 1979
    Assignees: Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Sakae Riken Kogyo Co., Ltd., Dai Nippon Toryo Co., Ltd.
    Inventors: Yoshikazu Soshiki, Hiroshi Sugiura, Kouzi Onizawa, Toshikatsu Togawa, Minoru Kojima, Tsukio Morikawa, Naohiko Kurimoto, Hiromitu Katou