Patents by Inventor Yumiko Matsumura

Yumiko Matsumura 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).

  • Cab for a construction machine
    Patent number: D982620
    Type: Grant
    Filed: September 28, 2021
    Date of Patent: April 4, 2023
    Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.
    Inventors: Koji Fujikawa, Shintaro Sakitani, Yumiko Matsumura, Kotaro Shinzaki