Patents by Inventor Sumiko Ono

Sumiko Ono 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).

  • Watch dial
    Patent number: D345714
    Type: Grant
    Filed: May 31, 1991
    Date of Patent: April 5, 1994
    Assignee: Seikosha Co., Ltd.
    Inventor: Sumiko Ono
  • Watch dial
    Patent number: D346128
    Type: Grant
    Filed: May 31, 1991
    Date of Patent: April 19, 1994
    Assignee: Seikosha Co., Ltd.
    Inventor: Sumiko Ono