Patents by Inventor Kazuya Kotani

Kazuya Kotani 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: 11978192
    Abstract: A component mounting machine includes a component supply device, a head having a nozzle, and a control device configured to control each device. The control device is configured to control a cameras to image a component, determine the normality and abnormality of an operation executed immediately before a current imaging timing based on an image captured at the current imaging timing, classify the image captured at the current imaging timing as a normal image in a case in which a result of determination of the normality and abnormality is made as normal, and classify the image captured at the current imaging timing and a part or all of images captured at imaging timings prior to the current imaging timing as an abnormal image in a case in which the result of the determination of the normality and abnormality is made as abnormal.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: May 7, 2024
    Assignee: FUJI CORPORATION
    Inventors: Yuta Yokoi, Kazuya Kotani, Mikiya Suzuki
  • Patent number: 11751373
    Abstract: A tracing device includes an appropriateness determination section configured to determine whether an image processing, which is executed in a production process of a board product by a board work machine, satisfies an appropriateness condition indicating reliability of a result of the image processing when the result of the image processing stays within a permissible range in which the result of the image processing is determined normal and an information management section configured to record image data used in the image processing as traceability information according to the result of the determination made by the appropriateness condition determination section.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: September 5, 2023
    Assignee: FUJI CORPORATION
    Inventors: Kazuya Kotani, Keiichi Ono, Mikiya Suzuki
  • Patent number: 11691496
    Abstract: In a vehicle drive system using a motor for cruising, the connection node of serially-connected first and second batteries is grounded. The operation of an inverter is controlled so that the motor drive voltage is higher than the output voltage of each of the first and second batteries. A battery unit is configured so that third and fourth batteries each in a form of a cartridge are removably loaded, and the loaded third battery is connected in parallel with the first battery and the loaded fourth battery is connected in parallel with the second battery.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: July 4, 2023
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Akihiro Furukawa, Ikuo Usami, Kazuya Kotani, Seiyo Hirano
  • Publication number: 20230108672
    Abstract: An image processing device for processing an image of a tape in which multiple cavities for accommodating a component are provided along a predetermined feeding direction includes a generation section configured to extract brightnesses of pixels of a line along the feeding direction from the image and to generate a brightness waveform of the line, and a recognition section configured to execute a periodic analysis of a brightness change from the brightness waveform and to recognize a pitch of the cavities based on a wavelength obtained by the periodic analysis.
    Type: Application
    Filed: February 21, 2020
    Publication date: April 6, 2023
    Applicant: FUJI CORPORATION
    Inventors: Shuichiro KITO, Takahiro KOBAYASHI, Kazuya KOTANI, Yutaka MIZUTANI
  • Publication number: 20230106149
    Abstract: A component mounter includes a state recognition section configured to recognize a supply state of a component in a supply area based on a feature amount including at least one of a shape and an angle of each of multiple feature portions in image data on which image processing has been executed. The state recognition section determines whether one or more candidate feature portions included in a search range belong to an identical component together with a reference feature portion based on one of feature amounts of the candidate feature portion and a positional relationship between the reference feature portion and the candidate feature portion.
    Type: Application
    Filed: February 21, 2020
    Publication date: April 6, 2023
    Applicant: FUJI CORPORATION
    Inventors: Takahiro KOBAYASHI, Kazuya KOTANI
  • Patent number: 11557109
    Abstract: The image-capturing unit includes an imaging section; a holding section configured to hold a subject to be imaged by the imaging section; a light irradiation section configured to select light of one or more light sources out of multiple light sources having different wavelengths, and to irradiate the subject held in the holding section with the light; a storage section configured to store a correspondence among a color of the light emitted for irradiating the subject by the light irradiation section, a material of an irradiation surface irradiated with the light, and a resolution representing the number of pixels per unit length; and an image processing section configured to obtain the resolution from the correspondence, based on the color of the light emitted for irradiating the subject and the material of the irradiation surface of the subject, and to process a subject image by using the resolution.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: January 17, 2023
    Assignee: FUJI CORPORATION
    Inventors: Hidenori Goto, Kazuya Kotani
  • Publication number: 20220400588
    Abstract: A component mounter includes a camera configured to image the supply region, an image processing section configured to execute image processing on image data acquired by imaging of the camera to recognize an accommodation state of the component for each of the multiple cavities and acquire accommodation information in which the accommodation state of the component is associated with a unique address for each of the multiple cavities, and an operation control section configured to execute a collection operation of the component accommodated in the cavity based on the accommodation information.
    Type: Application
    Filed: November 14, 2019
    Publication date: December 15, 2022
    Applicant: FUJI CORPORATION
    Inventors: Kazuya KOTANI, Keiichi ONO, Tomoya FUJIMOTO
  • Publication number: 20220394893
    Abstract: A component mounter includes a component supply device equipped with a bulk feeder for supplying multiple components in a bulk state to a supply region for the components, a camera configured to image the supply region, an image processing section configured to execute image processing for distinguishing a region of at least a part of the component from a region of a background in image data acquired through imaging by the camera based on brightness, and a state recognition section configured to recognize a supply state of the component based on at least one of an area and a shape of a component region occupied by at least the part of the component in the image data on which the image processing has been executed.
    Type: Application
    Filed: December 16, 2019
    Publication date: December 8, 2022
    Applicant: FUJI CORPORATION
    Inventors: Takahiro KOBAYASHI, Kazuya KOTANI
  • Publication number: 20220392190
    Abstract: An image processing device that processes a color image in which each pixel has gradation values of three primary colors of RGB includes an image acquiring section to acquire an image; a difference image generating section to use a first primary color image extracted from the color image and a second primary color image in which a gradation value of a second primary color except the first primary color is extracted from the color image, to generate a difference image; a recognition image generating section configured to generate a recognition image having a gradation value obtained by subtracting a gradation value of the difference image from a gradation value of an image in which any one of the three primary colors of RGB is extracted from the color image; and a recognition processing section configured to perform recognition processing of the recognition target using the recognition image.
    Type: Application
    Filed: November 6, 2019
    Publication date: December 8, 2022
    Applicant: FUJI CORPORATION
    Inventors: Keiichi ONO, Kazuya KOTANI, Tomoya FUJIMOTO
  • Publication number: 20220342878
    Abstract: The data management system includes a first storage section storing registration data in which component specifying information for specifying a component is associated with shape data, a second storage section storing possession device data, a search section for searching the registration data from the first storage section by using partial information included in at least one of the shape data and the component specifying information as a search condition, and a determination section for performing a suitability determination process of determining whether the shape data included in the registration data in a search result by the search section is suitable for the mounting process using the configuration device, based on the possession device data.
    Type: Application
    Filed: September 30, 2019
    Publication date: October 27, 2022
    Applicant: FUJI CORPORATION
    Inventors: Mikiya SUZUKI, Kazuya KOTANI, Yuta YOKOI
  • Publication number: 20220322593
    Abstract: An allowance setting system, a substrate inspection device, an allowance setting method, and a substrate inspection method that can set an appropriate inspection allowance are provided in which a normal mounting position of electronic component on a component mounting surface of substrate is defined as normal position. A deviation of an actual mounting position of electronic component in a surface direction of the component mounting surface with respect to the normal position is defined as surface direction deviation. A deviation of the actual mounting position of electronic component in a rotation direction within the component mounting surface with respect to normal position is defined as angular deviation. Allowance setting system sets multiple surface direction inspection allowances according to angular deviation for evaluating surface direction deviation in a substrate inspection before reflow.
    Type: Application
    Filed: June 21, 2019
    Publication date: October 6, 2022
    Applicant: FUJI CORPORATION
    Inventors: Yuta YOKOI, Mitsutaka INAGAKI, Kazuya KOTANI, Keiichi ONO
  • Publication number: 20220312659
    Abstract: A component mounting machine includes a head having a holding member configured to hold the component, and a control device. The control device performs a pre-mounting inspection for inspecting a state of a component held in the holding member, and controls the head so that the component held in the holding member is mounted on the board in a case where a determination of normality is made in the pre-mounting inspection. In addition, the control device performs a post-mounting inspection for inspecting a state of the component already mounted on the board by the head in a case where a determination of abnormality is made in the pre-mounting inspection or in a case where a determination of abnormality suspicion is made which is within an allowable range determined to be normal but is suspected to be abnormal in the pre-mounting inspection.
    Type: Application
    Filed: September 11, 2019
    Publication date: September 29, 2022
    Applicant: FUJI CORPORATION
    Inventors: Kazuya KOTANI, Yuta YOKOI, Mikiya SUZUKI
  • Publication number: 20220245790
    Abstract: A component mounting machine includes a component supply device, a head having a nozzle, and a control device configured to control each device. The control device is configured to control a cameras to image a component, determine the normality and abnormality of an operation executed immediately before a current imaging timing based on an image captured at the current imaging timing, classify the image captured at the current imaging timing as a normal image in a case in which a result of determination of the normality and abnormality is made as normal, and classify the image captured at the current imaging timing and a part or all of images captured at imaging timings prior to the current imaging timing as an abnormal image in a case in which the result of the determination of the normality and abnormality is made as abnormal.
    Type: Application
    Filed: June 27, 2019
    Publication date: August 4, 2022
    Applicant: FUJI CORPORATION
    Inventors: Yuta YOKOI, Kazuya KOTANI, Mikiya SUZUKI
  • Patent number: 11357149
    Abstract: A component orientation determination data creation device for creating component orientation determination data used in a component orientation determination system that determines an orientation of the component by comparing a brightness value of a determination region specified in the component orientation determination data within an image of the component captured by a camera with a determination threshold. A difference image between an image of the component in a correct orientation and an image of the component in another orientation is calculated by acquiring multiple images of the component in different orientations by changing the orientation with respect to the camera of the component that is the target for the component orientation determination data creation.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: June 7, 2022
    Assignee: FUJI CORPORATION
    Inventors: Kazuya Kotani, Masafumi Amano
  • Patent number: 11330748
    Abstract: An electronic component mounting method including a preparatory imaging step of storing preparation position information of component holding sections obtained based on preparation images imaged with no electronic component held by the component holding sections and with a rotary head indexed to multiple indexing angles; a pick-up step of picking up electronic components; an angle information acquisition step of acquiring indexing angle information of the rotary head; a component imaging step of imaging the electronic components with the indexing angle of the rotary head made to coincide with an indexing angle of the rotary head that corresponds to the specific positional information; and a measurement step of measuring a positional deviation amount between a position of the multiple component holding sections that is recognized from the specific positional information and a position of the electronic component that is recognized from the component image obtained in the component imaging step.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: May 10, 2022
    Assignee: FUJI CORPORATION
    Inventors: Hirotake Esaki, Kenji Sugiyama, Kazuya Kotani
  • Patent number: 11288423
    Abstract: A component image obtained by imaging a component for which component shape data for image processing is to be created is acquired and displayed on a screen of a display device, and a model pattern corresponding to a measurement target portion of the component image is displayed on the component image in a superimposed manner. At least one fine adjustment icon of fine adjustment icons for finely adjusting a size and/or position of the model pattern superimposed on the component image on the screen of the display device is displayed on the screen of the display device in a predetermined positional relationship with the model pattern.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: March 29, 2022
    Assignee: FUJI CORPORATION
    Inventors: Mikiya Suzuki, Kazuya Kotani, Keiichi Ono
  • Patent number: 11210764
    Abstract: An apparatus for performing work on a substrate includes an image processing device acquiring multiple images captured at different positions by performing imaging multiple times after a camera has been moved by a moving device such that a reference mark of a circuit board is within a range inside a field of view of the camera, creating a super resolution image using multi-frame super resolution processing, and recognizing the reference mark. The image processing device performs candidate region search processing of processing the image captured initially to search for a region within the image including a portion that has a possibility of being the reference mark as a candidate region after completion of the initial imaging, performs multi-frame super resolution processing on the candidate region after completion of final image capturing, creates a super resolution image of the candidate region, and recognizes the reference mark.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: December 28, 2021
    Assignee: FUJI CORPORATION
    Inventors: Masafumi Amano, Hiroshi Oike, Kazuya Kotani
  • Publication number: 20210394606
    Abstract: In a vehicle drive system using a motor for cruising, the connection node of serially-connected first and second batteries is grounded. The operation of an inverter is controlled so that the motor drive voltage is higher than the output voltage of each of the first and second batteries. A battery unit is configured so that third and fourth batteries each in a form of a cartridge are removably loaded, and the loaded third battery is connected in parallel with the first battery and the loaded fourth battery is connected in parallel with the second battery.
    Type: Application
    Filed: June 10, 2021
    Publication date: December 23, 2021
    Applicant: Mazda Motor Corporation
    Inventors: Akihiro FURUKAWA, Ikuo USAMI, Kazuya KOTANI, Seiyo HIRANO
  • Patent number: 11125697
    Abstract: A transfer state inspection system including a camera configured to capture a transfer state of a transfer material of any of solder, flux, conductive paste, or adhesive transferred to multiple terminals on a lower surface of an electronic component; an image processing section configured to process an image captured by the camera to recognize the transfer state of the transfer material such that the transfer state inspection system inspects the transfer state of the transfer material based on a recognition result of the image processing section; an inspection target specifying section configured to specify whether inspection is necessary for at least a portion of the terminals among the multiple terminals on the lower surface of the electronic component via an operation from an operator or a production program; and an inspection executing section configured to not inspect the transfer state of the transfer material for terminals specified as unnecessary.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: September 21, 2021
    Assignee: FUJI CORPORATION
    Inventors: Takahiro Kobayashi, Hiroshi Oike, Kazuya Kotani
  • Patent number: 11095800
    Abstract: An imaging unit of the disclosure includes: a camera; a holding member configured to hold an imaging target object to be imaged by the camera; a light irradiation device configured to irradiate lights of different wavelengths from multiple light sources towards the imaging target object held by the holding member; and a control device configured to obtain a proper resolving power value for a light or lights of one or more light sources selected from the multiple light sources for use for imaging, irradiate the light or lights of the one or more light sources so selected onto the imaging target object to image the imaging target object using the camera, and make use of the proper resolving power value in processing an image obtained from the camera.
    Type: Grant
    Filed: December 5, 2017
    Date of Patent: August 17, 2021
    Assignee: FUJI CORPORATION
    Inventors: Kazuya Kotani, Hidenori Goto