Patents by Inventor Bunzo Koga

Bunzo Koga 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: D324103
    Type: Grant
    Filed: August 28, 1989
    Date of Patent: February 18, 1992
    Assignee: France Bed Co., Ltd.
    Inventors: Teruo Masuda, Kazuyuki Yamaguchi, Bunzo Koga