Patents by Inventor Yasuo Akano

Yasuo Akano 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).

  • Glass flake having dense protective covering layer
    Patent number: 5436077
    Abstract: A glass flake comprising a flake of glass having formed on its surface a metal covering layer on which is formed a dense protective covering layer of a metal oxide. The glass flake is produced by maintaining a flake of glass in an alkaline solution containing metal alkoxide, water and an alcohol, followed by the separation and firing thereof.
    Type: Grant
    Filed: June 7, 1993
    Date of Patent: July 25, 1995
    Assignees: Nippon Glass Fiber Co., Ltd., Hi-Mirror Co., Ltd.
    Inventors: Teruo Matsuba, Yasuo Akano, Miwao Nishikawa