Patents by Inventor Haruhisa Shigeno

Haruhisa Shigeno 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).

  • Method for forming tranparent multilayers
    Patent number: 5009936
    Abstract: A method for forming a transparent multilayer is described, using a wet-on-wet process in which first a transparent acrylic copolymer paint A and then a transparent fluorine-containing polymer paint B comprising the formula ##STR1## wherein X represents a fluorine atom or chlorine atom, and R.sub.1, R.sub.2, R.sub.3, R.sub.4 each represents represents a hydrogenatom, hydroxyalkyl group, or carboxyalkyl group, are applied on a conventional finish coating.The method produces a protective multilayer consisting of a paint A layer to improve adhesion and a paint B layer to improve weatherability on the conventional finish coatings.
    Type: Grant
    Filed: September 5, 1989
    Date of Patent: April 23, 1991
    Assignees: Nissan Motor Co., Ltd., Nippon Paint Co. Ltd.
    Inventors: Masahiko Yamanaka, Motoyoshi Hanaoka, Hiroaki Konse, Haruhisa Shigeno, Masakatsu Kinoshita