Patents by Inventor Ayaka Ishima

Ayaka Ishima 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 case
    Patent number: D1108983
    Type: Grant
    Filed: September 27, 2024
    Date of Patent: January 13, 2026
    Assignee: CASIO KEISANKI KABUSHIKI KAISHA
    Inventors: Ayaka Ishima, Mana Tsuzaka