Patents by Inventor Katsubumi Ohta

Katsubumi Ohta 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: D280981
    Type: Grant
    Filed: March 28, 1983
    Date of Patent: October 15, 1985
    Assignee: The Yokohama Rubber Co., Ltd.
    Inventors: Katsubumi Ohta, Kazuyoshi Mineya, Mituo Maeda