Patents by Inventor Yuki Shirasuna

Yuki Shirasuna 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).

  • Printing workroom interior
    Patent number: D944318
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: February 22, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hiroto Miyauchi, Hiromi Nishimura, Yuki Shirasuna, Yasushi Kawakami
  • Printing workroom interior
    Patent number: D944894
    Type: Grant
    Filed: March 18, 2021
    Date of Patent: March 1, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Hiroto Miyauchi, Hiromi Nishimura, Yuki Shirasuna, Yasushi Kawakami