Patents by Inventor Kouji Nagami

Kouji Nagami 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).

  • 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
  • Patent number: 9643662
    Abstract: A center pillar (3) has a pipe structure having a hollow space (3a). In the center pillar (3), a lower end opening (3c) for connecting the hollow space (3a) to an outdoor space and an upper end opening (3b) for connecting the hollow space (3a) to an indoor space (10) are formed. The lower end opening (3c) and the upper end opening (3b) are arranged at a prescribed distance from each other in a longitudinal direction of the center pillar (3). Thus, a cab for work vehicle and a work vehicle capable of preventing dust, water, or the like from entering the cab and realizing an environment in the cab comfortable for an operator are obtained.
    Type: Grant
    Filed: July 20, 2015
    Date of Patent: May 9, 2017
    Assignee: KOMATSU LTD.
    Inventors: Kouji Nagami, Masamichi Miyazaki
  • Publication number: 20150321705
    Abstract: A center pillar (3) has a pipe structure having a hollow space (3a). In the center pillar (3), a lower end opening (3c) for connecting the hollow space (3a) to an outdoor space and an upper end opening (3b) for connecting the hollow space (3a) to an indoor space (10) are formed. The lower end opening (3c) and the upper end opening (3b) are arranged at a prescribed distance from each other in a longitudinal direction of the center pillar (3). Thus, a cab for work vehicle and a work vehicle capable of preventing dust, water, or the like from entering the cab and realizing an environment in the cab comfortable for an operator are obtained.
    Type: Application
    Filed: July 20, 2015
    Publication date: November 12, 2015
    Inventors: Kouji NAGAMI, Masamichi MIYAZAKI
  • Patent number: 9139979
    Abstract: An engine (32) is attached to a vehicle frame (31) on a front end side relative to a cab (1). An engine cooling module (33) serves for cooling the engine (32) and it is attached to the vehicle frame (31) at a rear end. In a top plan view, the cab (1) has a projection portion projecting outward from the vehicle frame (31). The cab (1) has a through hole (12a to 12c) opening into an outdoor space of the cab (1) and an opening (3b) communicating with the through hole (12a to 12c) and opening into an indoor space (10), and the through hole (12a to 12c) opens in a lower surface of the projection portion. Thus, a work vehicle capable of preventing dust, water, or the like from entering the cab and realizing an environment in the cab comfortable for an operator is obtained.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: September 22, 2015
    Assignee: KOMATSU LTD.
    Inventors: Kouji Nagami, Masamichi Miyazaki
  • Patent number: 9126643
    Abstract: A center pillar (3) has a pipe structure having a hollow space (3a). In the center pillar (3), a lower end opening (3c) for connecting the hollow space (3a) to an outdoor space and an upper end opening (3b) for connecting the hollow space (3a) to an indoor space (10) are formed. The lower end opening (3c) and the upper end opening (3b) are arranged at a prescribed distance from each other in a longitudinal direction of the center pillar (3). Thus, a cab for work vehicle and a work vehicle capable of preventing dust, water, or the like from entering the cab and realizing an environment in the cab comfortable for an operator are obtained.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: September 8, 2015
    Assignee: KOMATSU LTD.
    Inventors: Kouji Nagami, Masamichi Miyazaki
  • Publication number: 20150000996
    Abstract: A center pillar (3) has a pipe structure having a hollow space (3a). In the center pillar (3), a lower end opening (3c) for connecting the hollow space (3a) to an outdoor space and an upper end opening (3b) for connecting the hollow space (3a) to an indoor space (10) are formed. The lower end opening (3c) and the upper end opening (3b) are arranged at a prescribed distance from each other in a longitudinal direction of the center pillar (3). Thus, a cab for work vehicle and a work vehicle capable of preventing dust, water, or the like from entering the cab and realizing an environment in the cab comfortable for an operator are obtained.
    Type: Application
    Filed: June 14, 2012
    Publication date: January 1, 2015
    Applicant: KOMATSU LTD.
    Inventors: Kouji Nagami, Masamichi Miyazaki
  • Publication number: 20140374186
    Abstract: An engine (32) is attached to a vehicle frame (31) on a front end side relative to a cab (1). An engine cooling module (33) serves for cooling the engine (32) and it is attached to the vehicle frame (31) at a rear end. In a top plan view, the cab (1) has a projection portion projecting outward from the vehicle frame (31). The cab (1) has a through hole (12a to 12c) opening into an outdoor space of the cab (1) and an opening (3b) communicating with the through hole (12a to 12c) and opening into an indoor space (10), and the through hole (12a to 12c) opens in a lower surface of the projection portion. Thus, a work vehicle capable of preventing dust, water, or the like from entering the cab and realizing an environment in the cab comfortable for an operator is obtained.
    Type: Application
    Filed: June 14, 2012
    Publication date: December 25, 2014
    Applicant: KOMATSU LTD.
    Inventors: Kouji Nagami, Masamichi Miyazaki
  • Publication number: 20140252803
    Abstract: Provided is a work vehicle in which a positioning antenna can be installed above a roof plate of a cab at an accurate position and in a proper attitude while preventing a positioning accuracy from being decreased by vibrations. The work vehicle includes a first mount member, a second mount member and a positioning antenna. The first mount member includes a left-side member fixed on the roof beam at the left side and a right-side member fixed on the roof beam at the right side. The second mount member is disposed above the roof plate across the left-side member and the right-side member. The positioning antenna is mounted on the second mount member.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 11, 2014
    Inventors: Jun Matsumoto, Masamichi Miyazaki, Masaru Satou, Kouji Nagami, Takeshi Ikeda, Hitoshi Katayanagi, Osamu Kuroyanagi, Takahiro Shimojo
  • Patent number: 8528965
    Abstract: The operator's cab 8 is provided with a floor frame 10 having an opening for maintenance 20 located at a floor base 10a and a lid body 23 for closing the opening for maintenance 20. The lid body 23 includes an upper inspection cover 22 and a lower inspection cover 21 which are aligned in a vertical direction with spacing so as to be attachable and detachable relative to the opening for maintenance 20. Disposed in a space between the upper inspection cover 22 and the lower inspection cover 21 is a floor duct 30 that can be disassembled and is provided for circulating supply air sent from an air conditioner 27.
    Type: Grant
    Filed: May 26, 2010
    Date of Patent: September 10, 2013
    Assignee: Komatsu Ltd.
    Inventors: Kouji Nagami, Makoto Yomogita, Masamichi Miyazaki, Shinji Hirose
  • Patent number: 8342597
    Abstract: A work vehicle includes a cab, an air conditioner casing, an air conditioner unit and a rear monitoring camera. The air conditioner casing is attached to a rear upper part of the cab and includes a downwardly opened recess on a bottom face thereof. The air conditioner unit is accommodated in the air conditioner casing. The rear monitoring camera includes a main body accommodated in the recess of the air conditioner casing.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: January 1, 2013
    Assignee: Komatsu Ltd.
    Inventors: Kouji Nagami, Makoto Yomogita, Masamichi Miyazaki, Jun Matsumoto
  • Publication number: 20120146361
    Abstract: A work vehicle includes a cab, an air conditioner casing, an air conditioner unit and a rear monitoring camera. The air conditioner casing is attached to a rear upper part of the cab and includes a downwardly opened recess on a bottom face thereof. The air conditioner unit is accommodated in the air conditioner casing. The rear monitoring camera includes a main body accommodated in the recess of the air conditioner casing.
    Type: Application
    Filed: August 11, 2011
    Publication date: June 14, 2012
    Applicant: KOMATSU LTD.
    Inventors: Kouji Nagami, Makoto Yomogita, Masamichi Miyazaki, Jun Matsumoto
  • Publication number: 20120086236
    Abstract: An operator's cab for a work vehicle is disclosed, which is capable of providing sound insulation properties without spoiling ease of maintenance while ensuring the thermal insulation properties of an air-conditioning duct. The operator's cab 8 is provided with a floor frame 10 having an opening for maintenance 20 located at a floor base 10a and a lid body 23 for closing the opening for maintenance 20. The lid body 23 includes an upper inspection cover 22 and a lower inspection cover 21 which are aligned in a vertical direction with spacing so as to be attachable and detachable relative to the opening for maintenance 20. Disposed in a space between the upper inspection cover 22 and the lower inspection cover 21 is a floor duct 30 that can be disassembled and is provided for circulating supply air sent from an air conditioner 27.
    Type: Application
    Filed: May 26, 2010
    Publication date: April 12, 2012
    Inventors: Kouji Nagami, Makoto Yomogita, Masamichi Miyazaki, Shinji Hirose
  • Publication number: 20080314061
    Abstract: An air conditioning system includes a controller for controlling the feed rate of air from a blower such that the inside of the operator's cab is at higher pressure than outside pressure when a pressurization mode for pressurizing the inside of the operator's cab is selected, a branch duct opening/closing damper device is provided for distributing the air from the blower to an air outlet directed to an operator and an air outlet undirected to the operator (i.e., a defroster air outlet). Further, the controller controls the branch duct opening/closing damper device such that the air is ejected from the air outlet directed to the operator in such a volume that makes the operator have comfortable cool or warm feeling whereas the remaining volume of air is ejected from the defroster air outlet, when the difference between the inside air temperature of the operator's cab and a preset temperature becomes small.
    Type: Application
    Filed: June 20, 2008
    Publication date: December 25, 2008
    Applicant: KOMATSU LTD.
    Inventors: Kouji NAGAMI, Masamichi Miyazaki