Patents by Inventor Hajime Suzuki
Hajime Suzuki 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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Patent number: 11450189Abstract: A delivery management system includes: an authentication unit that authenticates a user; a storage unit that stores identification information on an article stored in a storage area that is a target article associated with the user; and a control unit that, when an article carried out by the authenticated user from the storage area is the same as the target article, permits the user to exit the storage area.Type: GrantFiled: July 6, 2021Date of Patent: September 20, 2022Assignee: NEC CORPORATIONInventors: Yasuji Saito, Hajime Suzuki
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Publication number: 20220292900Abstract: An information processing apparatus includes: a connection unit that establishes connection to a user terminal by wireless communication; an acquisition unit that acquires terminal identification information transmitted from the user terminal via the wireless communication when the user terminal has read an image used for a request for entry to a control target area; and a determination unit that determines whether or not to permit a user carrying the user terminal to enter the control target area based on the terminal identification information.Type: ApplicationFiled: June 1, 2022Publication date: September 15, 2022Applicant: NEC CorporationInventors: Yasuji SAITO, Nobuyuki IKUTA, Hajime SUZUKI
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Patent number: 11410480Abstract: An information processing apparatus includes: a connection unit that establishes connection to a user terminal by wireless communication; an acquisition unit that acquires terminal identification information transmitted from the user terminal via the wireless communication when the user terminal has read an image used for a request for entry to a control target area; and a determination unit that determines whether or not to permit a user carrying the user terminal to enter the control target area based on the terminal identification information.Type: GrantFiled: October 29, 2019Date of Patent: August 9, 2022Assignee: NEC CORPORATIONInventors: Yasuji Saito, Nobuyuki Ikuta, Hajime Suzuki
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Patent number: 11389969Abstract: The automatic machine includes a movable member driven by a motor, a tool that is attached to the movable member and includes a movable mechanism that operates independently of the movable member, a sensor that is attached to the movable mechanism and measures a location of the movable mechanism, and a processor configured to detect, based on a location of the movable mechanism measured by the sensor when the motor is controlled in accordance with a command to move the tool to a target location and on an amount of movement of the movable mechanism from a reference point, detects a first location in a case in which the movable mechanism is virtually fixed to the reference point, and calculate a correction amount for a control amount of the motor in such a way as to decrease a difference between the target location and the first location.Type: GrantFiled: June 20, 2019Date of Patent: July 19, 2022Assignee: FANUC CORPORATIONInventors: Hajime Suzuki, Nobuaki Yamaoka, Kouichirou Hayashi
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Patent number: 11378936Abstract: A control device controls a mechanical device having a movable member driven by a motor. The control device includes a radio signal exchange unit that receives a sensor signal indicating a position, a velocity or an acceleration of a tip part of the movable member, a data acquisition unit that acquires first time-series data of acceleration based on the received sensor signal, a data calculation unit that calculates second time-series data of acceleration at the tip part based on a drive command to the motor, a delay time calculation unit that calculates, when the mechanical device performs a predetermined basic operation, a delay time of the first time-series data to the second time-series data, based on a degree of correlation between the first and second time-series data, and a time synchronization unit that synchronizes time of the sensor part and control device based on the delay time.Type: GrantFiled: April 15, 2020Date of Patent: July 5, 2022Assignee: FANUC CORPORATIONInventors: Satoshi Inagaki, Hajime Suzuki
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Publication number: 20220186676Abstract: A cylinder liner includes: a small diameter portion configured to form a cooling water passage between the small diameter portion and an inner peripheral surface of the cylinder block; a large diameter portion disposed adjacent to the small diameter portion in the axial direction and formed to have a larger diameter than the small diameter portion; and at least one seal groove formed on an outer peripheral surface of the large diameter portion in an annular shape along a circumferential direction. The large diameter portion includes a one-side wall portion formed between the cooling water passage and a cooling-water-passage-side seal groove which is a seal groove disposed closest to the cooling water passage in the axial direction, and an other-side wall portion disposed farther from the cooling water passage than the cooling-water-passage-side seal groove is in the axial direction.Type: ApplicationFiled: August 29, 2019Publication date: June 16, 2022Applicant: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Hajime SUZUKI, Sota WATANABE
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Patent number: 11338440Abstract: This robot system includes a robot, a tool which is attached to the robot, an imaging device, and a controller which controls the robot and the tool, and the controller is configured so that a distal end portion of the robot is placed at a plurality of calibration positions, the tool is operated at each of the calibration positions, images of light irradiated to an object or a trace left on the object due to tool operation processing are captured by the imaging device, and calibration is performed based on comparison between irradiation positions of the light or positions of the traces, which are in an image captured by the imaging device, and predetermined reference positions.Type: GrantFiled: July 22, 2019Date of Patent: May 24, 2022Assignee: FANUC CORPORATIONInventors: Hajime Suzuki, Shuusuke Watanabe
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Patent number: 11254006Abstract: A robot device includes: a robot; an operation control section; a sensor configured to detect a value related to a position of a control target portion of the robot; a low-speed position information acquisition section configured to acquire low-speed position information of the control target portion; a calibration section configured to perform calibration between the sensor and the robot by using the low-speed position information and a command position; and a learning control section configured to learn a correction amount that reduces a deviation between operation described in an operation program and an actual operation of the control target portion, by using a detection value of the sensor that is acquired when the robot is operated in accordance with the operation program, the low-speed position information or the command position, and calibration data acquired through the calibration.Type: GrantFiled: October 22, 2019Date of Patent: February 22, 2022Assignee: Fanuc CorporationInventors: Nobuaki Yamaoka, Hajime Suzuki
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Patent number: 11230003Abstract: A robot system includes: a learning control unit configured to perform learning for calculating a learning correction amount for bringing a position of a control target portion toward a target position; a robot control unit configured to control the operation of the robot mechanism unit; a power spectrum calculating unit configured to calculate a power spectrum of a vibration data of the control target portion; a comparison unit configured to compare each power spectrum between at the time of the current learning and at the time of the immediately preceding learning; and a learning correction amount updating unit configured to adjust at least one of a phase and a gain of the learning correction amount used at the time of the current learning to set the adjusted learning correction amount as a new learning correction amount used at the time of next learning.Type: GrantFiled: June 19, 2019Date of Patent: January 25, 2022Assignee: FANUC CORPORATIONInventors: Satoshi Inagaki, Hajime Suzuki
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Publication number: 20210383627Abstract: An information processing apparatus includes: a connection unit that establishes connection to a user terminal by wireless communication; an acquisition unit that acquires terminal identification information transmitted from the user terminal via the wireless communication when the user terminal has read an image used for a request for entry to a control target area; and a determination unit that determines whether or not to permit a user carrying the user terminal to enter the control target area based on the terminal identification information.Type: ApplicationFiled: October 29, 2019Publication date: December 9, 2021Applicant: NEC CorporationInventors: Yasuji SAITO, Nobuyuki IKUTA, Hajime SUZUKI
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Publication number: 20210354238Abstract: For processing a workpiece held by a chuck table with branched pulsed laser beams, if it is assumed that branch intervals at which adjacent ones of the branched pulsed laser beams are spaced from each other on a surface of the workpiece are represented by L, a value calculated by dividing a processing feed speed at which the chuck table is moved with respect to a condensing lens by a processing feed unit by the frequency of the pulsed laser beam at a processing point where the branched pulsed laser beams are applied to the workpiece is represented by S, and any integer is represented by n, then the branching intervals, the processing feed speed, and the frequency of the pulsed laser beam are established to satisfy the relationship of L?n×S.Type: ApplicationFiled: April 21, 2021Publication date: November 18, 2021Inventors: Masakazu KOBAYASHI, Hajime SUZUKI, Yuki OGAWA
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Publication number: 20210343492Abstract: An input apparatus includes a casing including an opening, a knob exposed to outside along a virtual central axis, a first support member that supports the knob so as to be capable of a first operation, a second support member that supports the first support member so as to be capable of a second operation of the knob, a first detection member that detects the first operation, a second detection member that detects the second operation, and a detachable regulating member that regulates movement of the second detection member. The second support member includes a groove extending parallel to the virtual central axis. When the second operation is to be disabled, the regulating member including a rib to be fitted in the groove is attached. When the second operation is to be enabled, the regulating member not including a rib to be fitted in the groove is attached.Type: ApplicationFiled: July 16, 2021Publication date: November 4, 2021Inventors: Kazuhiro YOKOYAMA, Takao IGARASHI, Hajime SUZUKI
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Publication number: 20210335111Abstract: A delivery management system includes: an authentication unit that authenticates a user; a storage unit that stores identification information on an article stored in a storage area that is a target article associated with the user; and a control unit that, when an article carried out by the authenticated user from the storage area is the same as the target article, permits the user to exit the storage area.Type: ApplicationFiled: July 6, 2021Publication date: October 28, 2021Applicant: NEC CORPORATIONInventors: Yasuji SAITO, Hajime SUZUKI
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Patent number: 11117257Abstract: A learning control unit includes a machining device performance calculation section for calculating performance of a machining device during machining or after machining based on a motion command issued to a robot by a controller, a machining command issued to the machining device by the controller, and machining results measured by a sensor, an operation speed correction information calculation section for calculating operation speed correction information of the robot based on the performance of the machining device so as to satisfy a preset acceptable condition of the machining error, and under an allowable load condition of the robot, and a learning completion determination section for determining whether or not learning has completed based on previous correction information and current correction information.Type: GrantFiled: January 16, 2019Date of Patent: September 14, 2021Assignee: FANUC CORPORATIONInventors: Shinichi Washizu, Hajime Suzuki
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Patent number: 11094179Abstract: A delivery management system includes: an authentication unit that authenticates a user; a storage unit that stores identification information on an article stored in a storage area that is a target article associated with the user; and a control unit that, when an article carried out by the authenticated user from the storage area is the same as the target article, permits the user to exit the storage area.Type: GrantFiled: September 10, 2018Date of Patent: August 17, 2021Assignee: NEC CORPORATIONInventors: Yasuji Saito, Hajime Suzuki
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Publication number: 20210239189Abstract: The transmission includes a first shaft, a second shaft, a third shaft, and a fourth shaft. These shafts are parallel to each other. A first gear couples to the first shaft. A second gear couples to or idles around the first shaft when a first clutch is switched. A third gear meshes with the first gear and couples to the second shaft. A fourth gear couples to or idles around the second shaft when a second clutch is switched. A sixth gear meshes with the first gear and couples to the third shaft. A seventh gear couples to or idles around the third shaft when a fourth clutch is switched. A ninth gear meshes with the second gear, the fourth gear, and the seventh gear, and couples to the fourth shaft.Type: ApplicationFiled: August 23, 2018Publication date: August 5, 2021Applicant: UNIVANCE CORPORATIONInventors: Hirokazu Enomoto, Hajime Suzuki
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Patent number: 11045951Abstract: The control system includes: a driven body driven by a motor; a control apparatus configured to operate the body; and a sensor detecting a state quantity of the body, wherein the control apparatus includes: a storage storing a correction amount for correcting vibration occurring at the mounting position; a control unit configured to generate a command value for the motor in each control cycle based on an operation program, and perform operation control of the body based on the correction amount and the command value; a calculation unit configured to calculate the correction amount; an update unit configured to update the correction amount each time the operation control is performed; and a determination unit configured to determine validity of at least one of an internal parameter and the like of the sensor based on the command value and the state quantity each time the operation control is performed.Type: GrantFiled: April 3, 2019Date of Patent: June 29, 2021Assignee: FANUC CORPORATIONInventors: Nobuaki Yamaoka, Hajime Suzuki
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Patent number: 11000949Abstract: A control device includes a learning control part in which a difference is calculated between a target position and an actual position of a portion detected based on a sensor, and an operation-speed change rate is increased or reduced several times within a maximum value of the operation-speed change rate set for increasing or reducing the operation speed of a robot mechanism unit and within allowance conditions of vibrations occurring at the portion to be controlled; meanwhile, learning is repeated to calculate an updated compensation amount based on the difference and a previous compensation amount previously calculated for suppressing vibrations at each operation-speed change rate, and a convergent compensation amount and a convergent operation-speed change rate are stored after convergence of the compensation amount and the operation-speed change rate.Type: GrantFiled: February 21, 2018Date of Patent: May 11, 2021Assignee: FANUC CORPORATIONInventors: Shinichi Washizu, Hajime Suzuki, Kaimeng Wang
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Patent number: 10994422Abstract: A robot system that performs desired processing on a processing target object using a processing tool. The robot system includes a robot having an arm tip that holds the processing tool, a position detector that detects a position of the arm tip, and a robot controller that controls an operation of the robot based on a position command and a position feedback detected by the position detector. The robot controller includes an adjustment operation creating unit that, during adjustment of operation parameters for controlling the operation of the robot, acquires an application and an operation area of the robot and automatically creates an adjustment operation corresponding to the acquired application and the operation area and a parameter adjustment unit that automatically adjusts the operation parameters during execution of the adjustment operation created by the adjustment operation creating unit so that a performance required for the application is satisfied.Type: GrantFiled: November 27, 2018Date of Patent: May 4, 2021Assignee: FANUC CORPORATIONInventors: Hajime Suzuki, Shuusuke Watanabe, Kaimeng Wang
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Patent number: 10960549Abstract: A vibration analyzer includes a sensor that measures a vibration of an end effector supported by a distal end of a robot, a storage unit that stores a vibration calculation model of the robot, and a control unit configured to perform separation processing for separating a vibration to be reduced that is measured by the sensor into vibration data of the robot and vibration data of the end effector by using the vibration calculation model of the robot.Type: GrantFiled: February 5, 2019Date of Patent: March 30, 2021Assignee: FANUC CORPORATIONInventors: Satoshi Inagaki, Hajime Suzuki