Patents by Inventor Kiyohide Mimura

Kiyohide Mimura 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).

  • Colored pearl
    Patent number: 4783975
    Abstract: A cultured colored pearl comprises a concretion of layers of pearl around the invading material which is a molded article composed predominantly of powders of waste pearls, shells, waste coral and/or shells of Crustacea.
    Type: Grant
    Filed: December 17, 1986
    Date of Patent: November 15, 1988
    Assignee: Catalysts & Chemicals Industries Co., Ltd.
    Inventors: Michio Komatsu, Kiyohide Mimura