Patents by Inventor Masato Kitashou

Masato Kitashou 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).

  • Patent number: 11673447
    Abstract: An operator seat is arranged in a cab. An air-conditioning unit is arranged in front of the operator seat. A lower window through which the outside can be seen from the inside of the cab is arranged in front of the operator seat and laterally to the air-conditioning unit.
    Type: Grant
    Filed: June 4, 2018
    Date of Patent: June 13, 2023
    Assignee: KOMATSU LTD.
    Inventors: Hirofumi Wada, Masato Kitashou, Yuuki Shimasaki, Kazunari Shinagawa, Takushi Izawa, Kenichi Muramoto, Junichirou Imai, Izumi Nakade, Hidenori Tatsuta, Masahiko Hamaguchi
  • Publication number: 20210354766
    Abstract: An operator seat is arranged in a cab. An air-conditioning unit is arranged in front of the operator seat. A lower window through which the outside can be seen from the inside of the cab is arranged in front of the operator seat and laterally to the air-conditioning unit.
    Type: Application
    Filed: June 4, 2018
    Publication date: November 18, 2021
    Applicant: KOMATSU LTD.
    Inventors: Hirofumi WADA, Masato KITASHOU, Yuuki SHIMASAKI, Kazunari SHINAGAWA, Takushi IZAWA, Kenichi MURAMOTO, Junichirou IMAI, Izumi NAKADE, Hidenori TATSUTA, Masahiko HAMAGUCHI
  • Patent number: 11155981
    Abstract: Each of a pair of rear side face windows of a cab extends rearward from each of a pair of rearmost pillars. A rear face window is connected to each of the pair of rear side face windows and located in the rear of the rearmost pillars. The rear face window is inclined such that an upper portion thereof is located more rearward than a lower portion thereof, and it is entirely made of glass from a first rear side face window representing one of the pair of rear side face windows to a second rear side face window representing the other of the pair of rear side face windows.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: October 26, 2021
    Assignee: KOMATSU LTD.
    Inventors: Hidenori Tatsuta, Masato Kitashou, Shohei Ikejiri, Masahiko Hamaguchi, Hirofumi Wada
  • Publication number: 20190345689
    Abstract: Each of a pair of rear side face windows of a cab extends rearward from each of a pair of rearmost pillars. A rear face window is connected to each of the pair of rear side face windows and located in the rear of the rearmost pillars. The rear face window is inclined such that an upper portion thereof is located more rearward than a lower portion thereof, and it is entirely made of glass from a first rear side face window representing one of the pair of rear side face windows to a second rear side face window representing the other of the pair of rear side face windows.
    Type: Application
    Filed: August 2, 2018
    Publication date: November 14, 2019
    Applicant: KOMATSU LTD.
    Inventors: Hidenori TATSUTA, Masato KITASHOU, Shohei IKEJIRI, Masahiko HAMAGUCHI, Hirofumi WADA
  • Patent number: 9399854
    Abstract: A work vehicle cab includes a floor, a ceiling, a left supporting member, a right supporting member, a front panel, a front panel reinforcement member, a front-left pillar, and a front-right pillar. The ceiling is arranged above the floor. The left supporting member extends upward from the front section of the floor. The right supporting member extends upward from the front section of the floor. The front panel is arranged between the left supporting member and the right supporting member. The front panel reinforcement member, arranged above the front panel, extends in a left-right direction and connects the left supporting member and the right supporting member. The front-left pillar extends from the front section of the ceiling to the front panel reinforcement member. The front-right pillar extends from the front section of the ceiling to the front panel reinforcement member.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: July 26, 2016
    Assignee: KOMATSU LTD.
    Inventors: Masato Kitashou, Makoto Yomogita, Naoki Kimura, Masahiko Hamaguchi, Junichi Suneya, Takanori Yamahata
  • Patent number: 9193395
    Abstract: A cab body has a panel section. The panel section includes a concave section that is recessed upward. A floor frame includes a convex section and supports the cab body. The convex section has a shape that protrudes facing upward and is arranged to protrude from the concave section. A seal member seals a gap between the concave section and the convex section. The seal member has a first contact surface, a second contact surface, and an inclined surface. The first contact surface contacts the convex section. The second contact surface contacts the panel section. The inclined surface is inclined with regard to the first contact surface and the second contact surface. A bracket has an attachment section and a pressing surface. The attachment section is attached to the panel section. The pressing surface presses the inclined surface.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: November 24, 2015
    Assignee: KOMATSU LTD.
    Inventors: Masato Kitashou, Makoto Yomogita, Naoki Kimura, Masahiko Hamaguchi, Junichi Suneya, Takanori Yamahata
  • Publication number: 20150298748
    Abstract: A cab body has a panel section. The panel section includes a concave section which that is recessed upward. A floor frame includes a convex section and supports the cab body. The convex section has a shape that protrudes facing upward and is arranged to protrude from the concave section. A seal member seals a gap between the concave section and the convex section. The seal member has a first contact surface, a second contact surface, and an inclined surface. The first contact surface contacts the convex section. The second contact surface contacts the panel section. The inclined surface is inclined with regard to the first contact surface and the second contact surface. A bracket has an attachment section and a pressing surface. The attachment section is attached to the panel section. The pressing surface presses the inclined surface.
    Type: Application
    Filed: March 28, 2014
    Publication date: October 22, 2015
    Applicant: KOMATSU LTD
    Inventors: Masato KITASHOU, Makoto YOMOGITA, Naoki KIMURA, Masahiko HAMAGUCHI, Junichi SUNEYA, Takanori YAMAHATA
  • Publication number: 20150275479
    Abstract: A work vehicle cab includes a floor, a ceiling, a left supporting member, a right supporting member, a front panel, a front panel reinforcement member, a front-left pillar, and a front-right pillar. The ceiling is arranged above the floor. The left supporting member extends upward from the front section of the floor. The right supporting member extends upward from the front section of the floor. The front panel is arranged between the left supporting member and the right supporting member. The front panel reinforcement member, arranged above the front panel, extends in a left-right direction and connects the left supporting member and the right supporting member. The front-left pillar extends from the front section of the ceiling to the front panel reinforcement member. The front-right pillar extends from the front section of the ceiling to the front panel reinforcement member.
    Type: Application
    Filed: March 28, 2014
    Publication date: October 1, 2015
    Inventors: Masato Kitashou, Makoto Yomogita, Naoki Kimura, Masahiko Hamaguchi, Junichi Suneya, Takanori Yamahata
  • Patent number: D873868
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: January 28, 2020
    Assignee: KOMATSU LTD.
    Inventors: Teruhisa Iwata, Masahiko Hamaguchi, Hirofumi Wada, Jun Itou, Masato Kitashou, Hidenori Tatsuta
  • Patent number: D874524
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: February 4, 2020
    Assignee: KOMATSU LTD.
    Inventors: Teruhisa Iwata, Masahiko Hamaguchi, Hirofumi Wada, Jun Itou, Masato Kitashou