Patents by Inventor Ai Maeda

Ai Maeda 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).

  • Piano
    Patent number: D1096922
    Type: Grant
    Filed: May 4, 2023
    Date of Patent: October 7, 2025
    Assignee: Roland Corporation
    Inventors: Kenta Mitsuishi, Takahiro Murai, Ai Maeda
  • Electronic piano
    Patent number: D1141003
    Type: Grant
    Filed: December 20, 2023
    Date of Patent: August 11, 2026
    Assignee: Roland Corporation
    Inventors: Yukari Kinoshita, Ai Maeda, Yoji Inagaki