Patents by Inventor Hirofumi KOTAKI

Hirofumi KOTAKI 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
    Publication number: 20240101199
    Abstract: A work vehicle includes a vehicle body frame, a cab disposed on an upper side of the vehicle body frame, brackets connected to the cab, limiting sections and buffering devices. The limiting sections are disposed between the brackets and the vehicle body frame. The limiting sections limit a movement range of the cab with respect to the vehicle body frame. The buffering devices are disposed between the brackets and the vehicle body frame.
    Type: Application
    Filed: July 31, 2023
    Publication date: March 28, 2024
    Inventors: Souichirou MURAKAMI, Hirofumi KOTAKI, Daisuke OKAMOTO, Kouji NAGAMI, Yohei TAKAHASHI, Osamu YATSUDA, Hironori YAMAMITSU
  • Work vehicle
    Patent number: 11739498
    Abstract: A work vehicle includes: a cab to be boarded by an operator, the cab including a roof; and a first antenna mounted on the roof. The first antenna is positioned selectively at one of a position lower than a topmost portion of the roof, and a position protruding upward relative to the topmost portion of the roof.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: August 29, 2023
    Assignee: KOMATSU LTD.
    Inventors: Masashi Hoshino, Atsushi Karami, Hirofumi Kotaki, Shinji Hirose, Masamichi Miyazaki
  • WORK VEHICLE
    Publication number: 20210230835
    Abstract: A work vehicle includes: a cab to be boarded by an operator, the cab including a roof; and a first antenna mounted on the roof. The first antenna is positioned selectively at one of a position lower than a topmost portion of the roof, and a position protruding upward relative to the topmost portion of the roof.
    Type: Application
    Filed: April 13, 2021
    Publication date: July 29, 2021
    Applicant: KOMATSU LTD.
    Inventors: Masashi HOSHINO, Atsushi KARAMI, Hirofumi KOTAKI, Shinji HIROSE, Masamichi MIYAZAKI
  • Work vehicle
    Patent number: 11008731
    Abstract: A work vehicle includes: a cab to be boarded by an operator, the cab including a roof; and a first antenna mounted on the roof. The first antenna is positioned selectively at one of a position lower than a topmost portion of the roof, and a position protruding upward relative to the topmost portion of the roof.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: May 18, 2021
    Assignee: KOMATSU LTD.
    Inventors: Masashi Hoshino, Atsushi Karami, Hirofumi Kotaki, Shinji Hirose, Masamichi Miyazaki
  • WORK VEHICLE
    Publication number: 20200032479
    Abstract: A work vehicle includes: a cab to be boarded by an operator, the cab including a roof; and a first antenna mounted on the roof. The first antenna is positioned selectively at one of a position lower than a topmost portion of the roof, and a position protruding upward relative to the topmost portion of the roof.
    Type: Application
    Filed: March 31, 2017
    Publication date: January 30, 2020
    Applicant: KOMATSU LTD.
    Inventors: Masashi HOSHINO, Atsushi KARAMI, Hirofumi KOTAKI, Shinji HIROSE, Masamichi MIYAZAKI
  • Work vehicle
    Patent number: 9702113
    Abstract: A work vehicle has a cab. A protruding portion is located on an upper side of the cab and protrudes rearward relative to a rear portion of the cab. A surveillance camera is arranged on a rear side of the protruding portion. A surveillance camera is arranged above the surveillance camera, and an optical axis is inclined posterosuperiorly relative to an optical axis of the surveillance camera.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: July 11, 2017
    Assignee: KOMATSU LTD.
    Inventors: Hirofumi Kotaki, Masamichi Miyazaki
  • WORK VEHICLE
    Publication number: 20160312438
    Abstract: A work vehicle has a cab. A protruding portion is located on an upper side of the cab and protrudes rearward relative to a rear portion of the cab. A surveillance camera is arranged on a rear side of the protruding portion. A surveillance camera is arranged above the surveillance camera, and an optical axis is inclined posterosuperiorly relative to an optical axis of the surveillance camera.
    Type: Application
    Filed: April 22, 2015
    Publication date: October 27, 2016
    Inventors: Hirofumi KOTAKI, Masamichi MIYAZAKI