Patents by Inventor Michikazu Okano

Michikazu Okano 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).

  • Patent number: 4838939
    Abstract: Compositions particularly adapted to the damping sheet are provided. They contain a binder component and a filler component consisting of inorganic fillers and an organic filler.The organic filler occupies from 1 to 25 parts by weight of the total amount of the filler and it is an organic fibrous filler having the fiber length of from about 50 to about 300.mu., the mean length being about 100.mu.. Quick lime occupies from 0.05 to 10 parts by weight of the total amount of the filler as one of the inorganic fillers. The compositions possess distinguished properties when used as the damping sheet for vehicles.
    Type: Grant
    Filed: December 17, 1987
    Date of Patent: June 13, 1989
    Assignees: Nihon Tokushu Toryo Co., Ltd., Hirotani Co., Ltd.
    Inventors: Shigeru Kanda, Manabu Shibata, Masayoshi Ono, Michikazu Okano