Patents by Inventor Masanori AZUMA

Masanori AZUMA 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).

  • Work vehicle
    Patent number: 11414035
    Abstract: A tractor includes a protective frame including a lower frame and an upper frame rotatably coupled with an upper portion of the lower frame, and an assist mechanism to assists a rotation of the upper frame.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: August 16, 2022
    Assignee: KUBOTA CORPORATION
    Inventors: Masanori Azuma, Terumasa Kobayashi, Hiroki Nagai, Tomohisa Yamamoto
  • WORK VEHICLE
    Publication number: 20210387587
    Abstract: A tractor includes a protective frame including a lower frame and an upper frame rotatably coupled with an upper portion of the lower frame, and an assist mechanism to assists a rotation of the upper frame.
    Type: Application
    Filed: June 6, 2019
    Publication date: December 16, 2021
    Inventors: Masanori AZUMA, Terumasa KOBAYASHI, Hiroki NAGAI, Tomohisa YAMAMOTO