Patents by Inventor Yoichiro Yamazaki
Yoichiro Yamazaki 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).
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Publication number: 20220186466Abstract: Provided is a system which can avoid instability of an operating state of a working machine, when switching a remote operation actor of the working machine. In a case where a state of one or both of a working machine 40 or a first operator is a specified state when the working machine 40 is remotely operated through a first remote operation apparatus 10, a first notification corresponding to the specified state is transmitted to a remote operation server 30. In the remote operation server 30, a second remote operation apparatus 20 which is appropriate in view of content of the first notification is selected as the remote operation actor of the working machine 40.Type: ApplicationFiled: December 2, 2019Publication date: June 16, 2022Inventors: Masaki OTANI, Hitoshi SASAKI, Seiji SAIKI, Yoichiro YAMAZAKI
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Publication number: 20220178110Abstract: A first operation mechanism 3 includes a first driving source 30 and a second driving source 31 based on a drive command, a first driving mechanism 32 which inclines a left-side traveling pedal 1c, a second driving mechanism 33 which inclines a left-side option pedal 1e, and a first transmission mechanism 34 and a second transmission mechanism 35 which transmit driving forces from the first driving source 30 and the second driving source 31 to the first driving mechanism 32 and the second driving mechanism 33. The first driving mechanism 32 and the second driving mechanism 33 are arranged apart from the first driving source 30 and the second driving source 31.Type: ApplicationFiled: February 6, 2020Publication date: June 9, 2022Inventors: Hitoshi SASAKI, Seiji SAIKI, Yoichiro YAMAZAKI, Kohei NAKAMIZO
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Publication number: 20220180456Abstract: A skill evaluation system includes a server including: an acquisition part which acquires actual work performance information about an actual work performance for a remote manipulation, and acquires, at least during or after the operation, event information about an efficiency influencing event which is found to influence an efficiency of the operation in the operation of the construction machine by the remote manipulation by the operator; an actual work performance database which stores the actual work performance information; an event database which stores the event information; a skill level calculation part which calculates, based on evaluation information including the actual work performance information and the event information, a skill level of the operator for the remote manipulation; and a presentation part which presents the skill level to an orderer terminal.Type: ApplicationFiled: March 13, 2020Publication date: June 9, 2022Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Hitoshi SASAKI, Seiji SAIKI, Yoichiro YAMAZAKI
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Publication number: 20220180292Abstract: A skill information presentation system includes a server including: a skill level calculation part which calculates, based on manipulation skill information, a manipulation skill level which is a level of a manipulation skill, and calculates, based on necessary skill information, a necessary skill level which is a level of a necessary skill; an operator information database which stores operator information including the manipulation skill level and the necessary skill level; and a presentation part which presents the operator information to the orderer terminal.Type: ApplicationFiled: March 13, 2020Publication date: June 9, 2022Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Hitoshi SASAKI, Seiji SAIKI, Yoichiro YAMAZAKI
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Publication number: 20220170237Abstract: A third axis a3 is an axis which is perpendicular to a straight line, the straight line connecting a tip of a tip portion 5b of a fourth operating lever 5 tilted to the maximum extent to one side in a first direction and the tip of the tip portion 5b of the fourth operating lever 5 tilted to the maximum extent to the other side, and passes through a tilt pivot point c which is a pivot point of a tilt of the fourth operating lever 5. A first actuator 72 and a second actuator 73 of a first operating mechanism 7 are disposed at least partially overlapping each other when viewed in the direction of the third axis a3.Type: ApplicationFiled: November 25, 2019Publication date: June 2, 2022Inventors: Hitoshi SASAKI, Seiji SAIKI, Yoichiro YAMAZAKI
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Publication number: 20220164754Abstract: A skill information presentation system includes a server including: an acquisition part which acquires team skill information about a skill of a work team constituted by a plurality of operators and having performed a team work by using a plurality of remote manipulating devices; a skill information database which stores the team skill information; a skill level calculation part which calculates, based on the team skill information, a team skill level representing a level of the skill of the work team having performed the team work; a team information database which stores team information including the team skill level; and a presentation part which presents the team information to an orderer terminal.Type: ApplicationFiled: March 13, 2020Publication date: May 26, 2022Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Hitoshi SASAKI, Seiji SAIKI, Yoichiro YAMAZAKI
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Publication number: 20220145588Abstract: A first operating mechanism 7 of a work machine 1 includes a first guide member 74 which tilts a fourth operating lever 5 in the right-left direction, and a first actuator 72 which generates a driving force for tilting a first direction guide member 74 on the basis of an operation command The first actuator 72 is disposed at a position on the opposite side of the fourth operating lever 5 from a slave-side seat 3.Type: ApplicationFiled: November 25, 2019Publication date: May 12, 2022Inventors: Hitoshi SASAKI, Seiji SAIKI, Yoichiro YAMAZAKI
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Publication number: 20220145584Abstract: A compaction management system includes a position calculation unit that, when a bucket is pressed against a compaction target ground, calculates a position of the bucket, a rolling compaction force calculation unit that, when the bucket is pressed against the compaction target ground, calculates a rolling compaction force applied to the compaction target ground using the attitude of the machine body, the attitude of the attachment, a pressure of a cylinder, and dimensions of the attachment, a rolling compaction record creation unit that creates a rolling compaction record in which the position calculated by the position calculation unit is associated with the rolling compaction force calculated by the rolling compaction force calculation unit, and a storage control unit that causes a storage device to store the rolling compaction record created by the rolling compaction record creation unit.Type: ApplicationFiled: March 12, 2020Publication date: May 12, 2022Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Sho FUJIWARA, Yusuke KAMIMURA, Yoichiro YAMAZAKI, Koji YAMASHITA, Daisuke NODA, Hideki YOSHIHARA
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Publication number: 20220112693Abstract: A monitoring system calculates, based on a contour data, a first slope angle representing an inclination angle of a slope to a ground surface on which a construction machine stands, detects a ground surface angle representing an inclination angle of the ground surface to a horizontal plane, calculates a second slope angle representing an inclination angle of the slope to the horizontal plane by adding the first slope angle to the ground surface angle, calculates a relative angle of a longitudinal direction of a lower traveling body to an inclination direction of the slope, and determines that the construction machine is in an unstable state when the second slope angle is larger than a first threshold and the relative angle is larger than a second threshold.Type: ApplicationFiled: January 10, 2020Publication date: April 14, 2022Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Takayuki DOI, Yoichiro YAMAZAKI
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Publication number: 20220112685Abstract: A work machine 10 includes: a load detection unit 22a that detects a load on an operation mechanism 100; information output devices 43, 44, and 41a that output at least one of an image, a sound, and a vibration to an operator; and a control unit 47a that controls, according to the magnitude of a load detected by the load detection unit 22a, one or more of the level of at least one of the color intensity, the brightness, and the transparency of an image output by the information output device 44, at least one of the intensity and the level of frequency of a sound output by the information output device 43, and at least one of the intensity and the level of frequency of a vibration output by the information output device 41a.Type: ApplicationFiled: November 29, 2019Publication date: April 14, 2022Inventors: Seiji SAIKI, Yoichiro YAMAZAKI, Hitoshi SASAKI
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Publication number: 20220106765Abstract: There is provided a device that enables an operator of a work machine to recognize whether or not an object exists in the periphery of the work machine with an appropriate amount of information from the viewpoint of avoiding a reduction in focus of the operator of the work machine. When the state of operation of an operation device 400 performed by an operator is a “first operation state”, and an object exists in a target space around a work machine 200, an alarm is output in a “first mode”. When the state of operation of the operation device 400 performed by the operator is a “second operation state”, and an object exists in the target space around the work machine 200, an alarm is output in a “second mode” in which a larger amount of information is provided than in the “first mode”.Type: ApplicationFiled: November 19, 2019Publication date: April 7, 2022Inventors: Hitoshi SASAKI, Yoichiro YAMAZAKI, Seiji SAIKI
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Publication number: 20220064908Abstract: An image of a work attachment (operation mechanism) of a work machine and the periphery of the work attachment, which corresponds to captured image data acquired by an imaging device, is displayed on an image output device by means of a first communication mode established between a slave control device mounted in the work machine and a master control device. When the first communication mode is interrupted, instead of the image of the operation mechanism of the work machine and the periphery of the operation mechanism, a point cloud image corresponding to distance image data acquired by a distance sensor is displayed on the image output device by means of a second communication mode established between the slave control device and the master control device.Type: ApplicationFiled: November 19, 2019Publication date: March 3, 2022Inventors: Ryota HAMA, Seiji SAIKI, Yoichiro YAMAZAKI
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Publication number: 20220064909Abstract: A periphery monitoring apparatus for a work machine determines at least one part of a plurality of target spaces as a “first designated target space”, according to an action mode of the work machine, which is predicted on the basis of an operation state by the operator of an operating device of the work machine. When a position of the object is included in the first designated target space, an alarm is output by the first designated output device that is arranged in an azimuth corresponding to an azimuth of the first designated target space with reference to the work machine, with reference to a location of the operator in a driving space of the work machine. The alarm is differentiated according to a varying mode of a relative position between the work machine and the object.Type: ApplicationFiled: December 2, 2019Publication date: March 3, 2022Inventors: Hitoshi SASAKI, Yoichiro YAMAZAKI, Seiji SAIKI
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Publication number: 20220043617Abstract: An operating machine information acquisition unit acquires information on an operating machine, including position information on the operating machine. A terminal device is carried by a worker around the operating machine, capable of displaying information, and includes a terminal device information acquisition unit. The terminal device information acquisition unit acquires position information and orientation information of the terminal device. A calculation unit causes the terminal device to display state information relating to a state of the operating machine based on the position information of the operating machine and the position information and the orientation information of the terminal device.Type: ApplicationFiled: September 2, 2019Publication date: February 10, 2022Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Yusuke KAMIMURA, Yoichiro YAMAZAKI
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Publication number: 20220002968Abstract: A remote operation device includes: a vibration detector to detect a plurality of vibration components in a plurality of directions different from each other, the vibration components being included in a vibration caused on an attachment; a transmission device; and a transmission control section that controls an operation of the transmission device. A vibration determination condition is set in advance, the vibration determination condition including a condition that an amplitude of a maximum vibration component largest in amplitude among the plurality of vibration components detected by the vibration detector is equal to or larger than a preset amplitude threshold. The transmission control section controls the operation of the transmission device to allow the vibration information to be transmitted to an operator only when the vibration determination condition is met.Type: ApplicationFiled: November 1, 2019Publication date: January 6, 2022Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Daisuke NODA, Koji YAMASHITA, Yoichiro YAMAZAKI
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Publication number: 20210395981Abstract: A surrounding monitoring apparatus enables an operator of a work machine to recognize the situation in the surroundings of the work machine at an appropriate timing. The apparatus includes an operation state detector detecting an operation state which is a state of an operation applied to an operation device for operating a work machine by the operator, a surrounding object detection part detecting the presence or absence of an object in a target space around the work machine, a speaker for outputting notification information to the operator, and an output information control unit making the speaker output a sound indicating a result of the detection by the surrounding object detection unit in response to the detection of an initial operation state where an initial operation for starting the work machine is applied to the operation device by the operation state detector.Type: ApplicationFiled: December 13, 2019Publication date: December 23, 2021Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Hitoshi SASAKI, Yoichiro YAMAZAKI, Seiji SAIKI
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Publication number: 20210381197Abstract: A remote operation device includes an image generating section that generates, when an operation determining section determines that an operation by an operator is a fine operation, and a posture determining section determines that a posture of the operator has changed from a reference posture to a watching posture, an enlarged image by enlarging a part of a work image of a construction machine, the part being related to a line-of-sight position acquired by an eye tracking device, and causes a display device to display the enlarged image.Type: ApplicationFiled: November 1, 2019Publication date: December 9, 2021Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Masaki OTANI, Seiji SAIKI, Yoichiro YAMAZAKI
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Publication number: 20210292994Abstract: A work machine includes: a first posture detection device which detects a posture of an upper slewing body with respect to a lower travelling body; a second posture detection device which detects a posture of a blade; a laser beam receiver which is provided to the upper slewing body and can receive a laser beam emitted from a laser beam emitter; and a calculation unit which calculates a height position of a cutting edge of the blade with respect to a surface to be constructed. The calculation unit calculates the height position of the cutting edge of the blade with respect to the surface to be constructed based on a laser beam receiving position where the laser beam is received by the laser beam receiver, a posture of the upper slewing body with respect to the lower travelling body, and a posture of the blade.Type: ApplicationFiled: August 8, 2019Publication date: September 23, 2021Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Yusuke KAMIMURA, Yoichiro YAMAZAKI, Koji YAMASHITA, Daisuke NODA
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Patent number: 11107301Abstract: A reception unit receives, from an execution information terminal, an access request made by an execution manager to an operation management system. When the reception unit receives the access request, a determination unit determines whether the execution manager who has made the access request satisfies a disclosure condition stored in a first storage unit. When the determination unit determines that the execution manager who has made the access request satisfies the disclosure condition, a permission unit permits disclosure of the operational information to the execution manager.Type: GrantFiled: August 1, 2017Date of Patent: August 31, 2021Assignee: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Masayuki Komiyama, Yoichiro Yamazaki
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Publication number: 20210256457Abstract: A manager terminal generates work plan information that is information regarding a work plan by at least one work machine, set for each operator who remotely operates the at least one work machine, and includes a work item by the work machine that is remotely operated by the operator and work time for the work item based on contents input by a construction manager, and inputs the work plan information into a server. The server generates progress information indicating work progress of the operator for the at least one work machine based on the work plan information input from the manager terminal and work information input from at least one work information acquisition unit, inputs the progress information into the manager terminal, and presents the progress information to the construction manager.Type: ApplicationFiled: May 24, 2019Publication date: August 19, 2021Applicant: KOBELCO CONSTRUCTION MACHINERY CO., LTD.Inventors: Seiji SAIKI, Yoichiro YAMAZAKI