Patents by Inventor Mitsuo Buma

Mitsuo Buma 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 of preparing impression taking and molding materials and dental diagnosing/treating chemical materials used in the method
    Patent number: 4689079
    Abstract: Powder of chemical material for impression taking and molding for teeth is previously packed with a water-soluble film in an amount determined by each clinical treatment. A desired impression taking or molding material is obtained by putting such pack or packs in a proper amount of water and properly kneading them.
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: August 25, 1987
    Assignee: Sankin Kogyo Kabushiki Kaisha
    Inventors: Mitsuo Buma, Sadayuki Yuda, Masatsune Sato, Mitsuo Okada