Patents by Inventor Naozumi OKURA

Naozumi OKURA 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 and work machine
    Patent number: 11001987
    Abstract: A cab is used in a work machine. The cab includes a first pillar, a second pillar disposed to a rear of the first pillar, a beam disposed between the first pillar and the second pillar, and a reinforcing member provided to the beam.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: May 11, 2021
    Assignee: KOMATSU LTD.
    Inventors: Hironori Yamamitsu, Naozumi Okura, Masamichi Miyazaki, Takashi Tsukamoto
  • CAB AND WORK MACHINE
    Publication number: 20200109537
    Abstract: A cab is used in a work machine. The cab includes a first pillar, a second pillar disposed to a rear of the first pillar, a beam disposed between the first pillar and the second pillar, and a reinforcing member provided to the beam.
    Type: Application
    Filed: October 2, 2019
    Publication date: April 9, 2020
    Inventors: Hironori YAMAMITSU, Naozumi OKURA, Masamichi MIYAZAKI, Takashi TSUKAMOTO