Patents by Inventor Yasuhiko KUROSUMI

Yasuhiko KUROSUMI 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: 11385617
    Abstract: A diagnostic apparatus includes a context information acquisition unit that acquires context information of operation being performed from a plurality of mechanical apparatuses, a sensing information acquisition unit that acquires physical quantity sensing information sensed by each of sensing units of a target machine and other mechanical apparatuses, a sensing information separation unit that separates the physical quantity information of the target machine and the physical quantity information of the other mechanical apparatuses from each other based on the context information and the sensing information of each of the plurality of mechanical apparatuses, a feature information extraction unit that extracts feature information of the physical quantity information, and an anomaly determination unit that determines, from a model corresponding to the acquired context information and the extracted feature information, whether or not operation of the target machine is normal.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: July 12, 2022
    Assignee: FANUC CORPORATION
    Inventor: Yasuhiko Kurosumi
  • Publication number: 20210096531
    Abstract: A diagnostic apparatus includes a context information acquisition unit that acquires context information of operation being performed from a plurality of mechanical apparatuses, a sensing information acquisition unit that acquires physical quantity sensing information sensed by each of sensing units of a target machine and other mechanical apparatuses, a sensing information separation unit that separates the physical quantity information of the target machine and the physical quantity information of the other mechanical apparatuses from each other based on the context information and the sensing information of each of the plurality of mechanical apparatuses, a feature information extraction unit that extracts feature information of the physical quantity information, and an anomaly determination unit that determines, from a model corresponding to the acquired context information and the extracted feature information, whether or not operation of the target machine is normal.
    Type: Application
    Filed: August 17, 2020
    Publication date: April 1, 2021
    Inventor: Yasuhiko KUROSUMI
  • Patent number: 10866411
    Abstract: A cleaning device includes: a lens cover configured to cover an object lens of a camera provided in a machining area of a machine tool, the lens cover being transparent; a motor configured to rotate the lens cover; and a wiping member configured to, when the lens cover rotates, wipe at least an adhering substance that has adhered to a region of the lens cover in an angle-of-view of the camera.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: December 15, 2020
    Assignee: FANUC CORPORATION
    Inventors: Hideaki Adachi, Yasuhiko Kurosumi, Yoshihiko Tarui
  • Patent number: 10775767
    Abstract: A machining system includes a machine tool having a camera, and a three-dimensional shape generating apparatus. The three-dimensional shape generating apparatus includes an image capture unit that captures a first image from the camera at a first relative position and captures a second image from the camera at a second relative position, and a shape generator that generates a three-dimensional shape of at least one subject, based on the first image, the second image and a distance between the first relative position and the second relative position.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: September 15, 2020
    Assignee: FANUC CORPORATION
    Inventors: Hideaki Adachi, Yasuhiko Kurosumi, Yoshihiko Tarui
  • Patent number: 10775319
    Abstract: A system includes a visual sensor provided in an industrial machine or in the vicinity thereof to acquire a plurality of image data, a calculation unit that calculates a contamination degree of a lens or a lens cover of the visual sensor on the basis of the image data acquired by the visual sensor, and a prediction unit that calculates information on a predicted cleaning timing to be performed in the future, of the lens or the lens cover on the basis of the calculated contamination degree of the lens or the lens cover.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: September 15, 2020
    Assignee: FANUC CORPORATION
    Inventors: Miho Niikura, Yasuhiko Kurosumi, Yoshihiko Tarui
  • Patent number: 10599123
    Abstract: The machine tool according to the present invention has: a function to set upper limits and lower limits for cutting conditions including a cutting width, a cutting depth, and a cutting load of a tool; a function to set a range and a modification condition of the machining program modifying the cutting width or the cutting depth of the tool; a function to modify, based on the modification condition, a movement amount of a block that orders a feeding operation of the machining program; a function to calculate a load imposed upon cutting, based on a cutting condition obtained prior to modification of the machining program and a variation in the modified movement amount; and a function to determine whether or not the calculated load and the modified movement amount fall within the set ranges between the upper limits and the lower limits of the cutting width or cutting depth and the cutting load.
    Type: Grant
    Filed: January 28, 2016
    Date of Patent: March 24, 2020
    Assignee: FANUC CORPORATION
    Inventor: Yasuhiko Kurosumi
  • Patent number: 10507558
    Abstract: A machine tool system includes a machine tool main body for machining a workpiece supported on a table by using a tool detachably attached to a spindle, and an information processing apparatus. The machine tool main body includes a rotary tool magazine in which multiple grips each capable of holding the tool to be attached to the spindle are provided along the circumferential direction, and an image pickup device that is arranged in the tool magazine and configured to take an image of multiple members in a machining area of the machine tool main body. The information processing apparatus includes a geometric feature calculating unit configured to calculate the shapes and the arrangement state of the multiple members in the machining area, based on image data of the image taken by the image pickup device.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: December 17, 2019
    Assignee: FANUC CORPORATION
    Inventors: Yoshiharu Inaba, Hiroyuki Uchida, Zheng Tong, Yasuhiko Kurosumi, Masanori Itou
  • Publication number: 20190369031
    Abstract: A system includes a visual sensor provided in an industrial machine or in the vicinity thereof to acquire a plurality of image data, a calculation unit that calculates a contamination degree of a lens or a lens cover of the visual sensor on the basis of the image data acquired by the visual sensor, and a prediction unit that calculates information on a predicted cleaning timing to be performed in the future, of the lens or the lens cover on the basis of the calculated contamination degree of the lens or the lens cover.
    Type: Application
    Filed: May 23, 2019
    Publication date: December 5, 2019
    Applicant: FANUC CORPORATION
    Inventors: Miho NIIKURA, Yasuhiko KUROSUMI, Yoshihiko TARUI
  • Publication number: 20190310471
    Abstract: A cleaning device includes: a lens cover configured to cover an object lens of a camera provided in a machining area of a machine tool, the lens cover being transparent; a motor configured to rotate the lens cover; and a wiping member configured to, when the lens cover rotates, wipe at least an adhering substance that has adhered to a region of the lens cover in an angle-of-view of the camera.
    Type: Application
    Filed: April 3, 2019
    Publication date: October 10, 2019
    Applicant: FANUC CORPORATION
    Inventors: Hideaki Adachi, Yasuhiko Kurosumi, Yoshihiko Tarui
  • Publication number: 20190294139
    Abstract: A machining system includes a machine tool having a camera, and a three-dimensional shape generating apparatus. The three-dimensional shape generating apparatus includes an image capture unit that captures a first image from the camera at a first relative position and captures a second image from the camera at a second relative position, and a shape generator that generates a three-dimensional shape of at least one subject, based on the first image, the second image and a distance between the first relative position and the second relative position.
    Type: Application
    Filed: March 25, 2019
    Publication date: September 26, 2019
    Applicant: FANUC CORPORATION
    Inventors: Hideaki Adachi, Yasuhiko Kurosumi, Yoshihiko Tarui
  • Patent number: 10340835
    Abstract: In a chip evacuation device that evacuates chips produced in a machine tool to outside of the machine tool, a synchronous motor is used as a power source for the chip evacuation device. A load on the synchronous motor is monitored and a number of rotation or a direction of rotation of the synchronous motor is changed when it is determined that the load exceeds a preset threshold.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: July 2, 2019
    Assignee: FANUC CORPORATION
    Inventor: Yasuhiko Kurosumi
  • Publication number: 20180250783
    Abstract: A machine tool system includes a machine tool main body for machining a workpiece supported on a table by using a tool detachably attached to a spindle, and an information processing apparatus. The machine tool main body includes a rotary tool magazine in which multiple grips each capable of holding the tool to be attached to the spindle are provided along the circumferential direction, and an image pickup device that is arranged in the tool magazine and configured to take an image of multiple members in a machining area of the machine tool main body. The information processing apparatus includes a geometric feature calculating unit configured to calculate the shapes and the arrangement state of the multiple members in the machining area, based on image data of the image taken by the image pickup device.
    Type: Application
    Filed: February 28, 2018
    Publication date: September 6, 2018
    Applicant: FANUC CORPORATION
    Inventors: Yoshiharu Inaba, Hiroyuki Uchida, Zheng Tong, Yasuhiko Kurosumi, Masanori Itou
  • Patent number: 10010990
    Abstract: A machine tool with a chip evacuation device according to the present invention is provided with a cleaning mechanism for cleaning a part or the whole of the chip evacuation device and a control unit configured to control respective operations of the chip evacuation device and the cleaning mechanism in association with each other. By using an electric motor, such as a synchronous motor capable of position control, as a power source for the chip evacuation device, the respective operations of the chip evacuation device and the cleaning mechanism can be associated with each other to effectively clean the chip evacuation device.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: July 3, 2018
    Assignee: FANUC CORPORATION
    Inventor: Yasuhiko Kurosumi
  • Patent number: 9989957
    Abstract: A controller for controlling a machine tool calculates a variation of a cutting load based on a changed rotational speed or feed rate of a tool in a machining program for machining a workpiece when the rotational speed or the feed rate is changed, and executes the machining program if the changed rotational speed and/or feed rate of the tool and/or the cutting load are within the ranges of predetermined upper and lower limit values.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: June 5, 2018
    Assignee: FANUC CORPORATION
    Inventor: Yasuhiko Kurosumi
  • Publication number: 20170190011
    Abstract: A machine tool with a chip evacuation device according to the present invention is provided with a cleaning mechanism for cleaning a part or the whole of the chip evacuation device and a control unit configured to control respective operations of the chip evacuation device and the cleaning mechanism in association with each other. By using an electric motor, such as a synchronous motor capable of position control, as a power source for the chip evacuation device, the respective operations of the chip evacuation device and the cleaning mechanism can be associated with each other to effectively clean the chip evacuation device.
    Type: Application
    Filed: December 29, 2016
    Publication date: July 6, 2017
    Inventor: Yasuhiko KUROSUMI
  • Publication number: 20160380574
    Abstract: In a chip evacuation device that evacuates chips produced in a machine tool to outside of the machine tool, a synchronous motor is used as a power source for the chip evacuation device. A load on the synchronous motor is monitored and a number of rotation or a direction of rotation of the synchronous motor is changed when it is determined that the load exceeds a preset threshold.
    Type: Application
    Filed: June 23, 2016
    Publication date: December 29, 2016
    Inventor: Yasuhiko KUROSUMI
  • Publication number: 20160224004
    Abstract: The machine tool according to the present invention has: a function to set upper limits and lower limits for cutting conditions including a cutting width, a cutting depth, and a cutting load of a tool; a function to set a range and a modification condition of the machining program modifying the cutting width or the cutting depth of the tool; a function to modify, based on the modification condition, a movement amount of a block that orders a feeding operation of the machining program; a function to calculate a load imposed upon cutting, based on a cutting condition obtained prior to modification of the machining program and a variation in the modified movement amount; and a function to determine whether or not the calculated load and the modified movement amount fall within the set ranges between the upper limits and the lower limits of the cutting width or cutting depth and the cutting load.
    Type: Application
    Filed: January 28, 2016
    Publication date: August 4, 2016
    Inventor: Yasuhiko KUROSUMI
  • Publication number: 20160147212
    Abstract: A controller for controlling a machine tool calculates a variation of a cutting load based on a changed rotational speed or feed rate of a tool in a machining program for machining a workpiece when the rotational speed or the feed rate is changed, and executes the machining program if the changed rotational speed and/or feed rate of the tool and/or the cutting load are within the ranges of predetermined upper and lower limit values.
    Type: Application
    Filed: November 19, 2015
    Publication date: May 26, 2016
    Inventor: Yasuhiko KUROSUMI