Patents by Inventor Sigenobu Watanabe

Sigenobu Watanabe 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: D248428
    Type: Grant
    Filed: September 22, 1976
    Date of Patent: July 11, 1978
    Assignee: Onitsuka Co., Ltd.
    Inventor: Sigenobu Watanabe
  • Patent number: D272294
    Type: Grant
    Filed: March 5, 1981
    Date of Patent: January 24, 1984
    Assignee: Asics Corporation
    Inventor: Sigenobu Watanabe