Patents by Inventor Tsuyoshi Ohyama

Tsuyoshi Ohyama 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: 11933742
    Abstract: An inspection device includes: an electromagnetic wave irradiator that irradiates, with a predetermined electromagnetic wave from a first film side, the package that is conveyed along a predetermined direction and that has the spaces at a plurality of positions in a width direction; an imaging device that is disposed opposed to the electromagnetic wave irradiator across the package, includes an electromagnetic wave detector including a plurality of detection elements that is arrayed along the width direction and that detects the electromagnetic wave radiated from the electromagnetic wave irradiator and transmitted through the package, and sequentially outputs an obtained electromagnetic wave transmission image every time the package is conveyed by a predetermined amount; and an image processing device that processes an image signal output from the imaging device.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: March 19, 2024
    Assignee: CKD CORPORATION
    Inventors: Takamasa Ohtani, Tsuyoshi Ohyama, Norihiko Sakaida
  • Patent number: 11930600
    Abstract: A three-dimensional measurement apparatus measures measurement targets placed in a target measurement area on a measurement object. The apparatus includes: a measurement module that: is positioned with respect to the target measurement area, and includes: a first irradiator that irradiates the target measurement area with predetermined light for height measurement; a second irradiator that irradiates the target measurement area with predetermined patterned light for three-dimensional measurement; and an imaging device that takes an image of the target measurement area; and a control device that moves the measurement module in a height direction and successively positions the measurement module at a predetermined height position determined by mapping, and performs, based on image data taken by irradiating the target measurement area with predetermined patterned light, three-dimensional measurement to the measurement targets at the predetermined height position.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: March 12, 2024
    Assignee: CKD CORPORATION
    Inventors: Takayuki Shinyama, Tsuyoshi Ohyama, Norihiko Sakaida
  • Patent number: 11927435
    Abstract: A three-dimensional measurement device performs three-dimensional measurement of a measured object using a phase shift method. The three-dimensional measurement device includes: an irradiator that irradiates the measured object with a predetermined light pattern having a light intensity distribution in a fringe shape; a control device that shifts a phase of the light pattern radiated from the irradiator in N different ways, where N is a natural number of not less than 3; and an imaging device that takes an image of the measured object irradiated with the light pattern. The control device executes three-dimensional measurement of the measured object by the phase shift method based on N different image data taken under the light pattern having the phase shifted in the N different ways.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: March 12, 2024
    Assignee: CKD CORPORATION
    Inventors: Manabu Okuda, Tsuyoshi Ohyama, Norihiko Sakaida
  • Publication number: 20230232603
    Abstract: A solder printing inspection device includes: an illumination device that irradiates, with a predetermined light, a printed circuit board on which a solder paste is printed; an imaging device that takes an image of the printed circuit board irradiated with the predetermined light and obtains image data; and a control device that: based on the image data, obtain three-dimensional measurement data of the solder paste printed on the printed circuit board, based on the three-dimensional measurement data, extracts upper portion shape data of an upper portion of the solder paste, the upper portion having a height equal to or higher than a predetermined height, and compares the upper portion shape data with a predetermined criterion and determines whether a quality of a three-dimensional shape of the upper portion of the solder paste is good or poor.
    Type: Application
    Filed: March 28, 2023
    Publication date: July 20, 2023
    Applicant: CKD CORPORATION
    Inventors: Kazuyoshi Kikuchi, Tsuyoshi Ohyama, Norihiko Sakaida
  • Publication number: 20230186458
    Abstract: A substrate foreign matter inspection device includes: an image data obtaining device that obtains image data of a target inspection area in the printed circuit board including a printed portion of the solder paste; a storage that stores a neural network and a model, the model being generated by learning of the neural network that includes an encoding portion and a decoding portion by using, as learning data, only image data of the target inspection area that do not include any foreign matter; and a control device that obtains reconfigured image data by inputting original image data obtained by the image data obtaining device into the model, compares the original image data with the reconfigured image data, and determines whether any foreign matter is present or absent on the printed circuit board based on a result of comparison with the reconfigured image data.
    Type: Application
    Filed: February 8, 2023
    Publication date: June 15, 2023
    Applicant: CKD CORPORATION
    Inventors: Naohiro Zaima, Kazuyoshi Kikuchi, Tsuyoshi Ohyama, Norihiko Sakaida
  • Publication number: 20230014796
    Abstract: A screen mask inspection device inspects a screen mask including a screen opening that forms a printing pattern, and includes: an inspection control device that detects solder position information of a solder paste printed on a substrate via the screen opening, and based on the solder position information, determines whether a quality of printing using the screen mask is good or bad, the solder position information being based on an amount of positional misalignment of the solder paste actually printed on the substrate relative to a predetermined reference position.
    Type: Application
    Filed: September 27, 2022
    Publication date: January 19, 2023
    Applicant: CKD CORPORATION
    Inventors: Kazuyoshi Kikuchi, Takayuki Shinyama, Tsuyoshi Ohyama, Norihiko Sakaida
  • Patent number: 11476447
    Abstract: A foldable circular polarizing plate includes a polarizer and a foldable compensation film disposed on one surface of the polarizer, wherein in-plane retardations of the liquid crystal layer at 450 nm, 550 nm, and 650 nm wavelengths satisfy Relationship Equations 1 or 2, the compensation film is configured to absorb light in a wavelength region of less than or equal to 420 nm, and a reflection color in a CIE-Lab color coordinate system satisfies ?a*b*?5.0 and a foldable organic light emitting diode display including the same.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: October 18, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., DIC CORPORATION
    Inventors: Tsuyoshi Ohyama, Seung Hyun Lee, Hyun-Seok Choi, Hidetoshi Nakata, Toru Ishii
  • Patent number: 11452250
    Abstract: A substrate inspection device that is placed on an upstream side of a component mounting machine that mounts an electronic component on solder that is printed on a substrate by a solder printing machine, and that inspects the solder and a thermosetting adhesive applied on the substrate, the substrate inspection device including: an irradiator that irradiates the solder and the adhesive with light; an imaging device that takes an image of the irradiated solder and the irradiated adhesive; and a processor that: generates actual solder position information of a solder group that the electronic component is mounted on based on the image, wherein the solder group includes two or more solders; generates, based on design data or manufacturing data, ideal solder inspection reference information indicating a reference inspection position and/or a reference inspection range of the solder included in the solder group.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: September 20, 2022
    Assignee: CKD CORPORATION
    Inventors: Ikuo Futamura, Tsuyoshi Ohyama, Norihiko Sakaida
  • Patent number: 11414231
    Abstract: An inspection device is used in manufacture of a PTP sheet that comprises a container film including a pocket portion in which a content is placed and a cover film closing the pocket portion. The inspection device includes: an illumination device that emits near infrared light; a light shield that is placed between the illumination device and the container film and prevents the near infrared light from entering the container film; a through hole in the light shield that allows the near infrared light to pass through; a spectroscope that disperses reflected light from the content; an imaging device that images an optical spectrum of the reflected light and obtains spectroscopic image data; and a controller that: obtains spectral data of the content based on the spectroscopic image data; and performs a predetermined inspection with regard to the content based on the spectral data of the content.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: August 16, 2022
    Assignee: CKD CORPORATION
    Inventors: Yukihiro Taguchi, Tsuyoshi Ohyama, Norihiko Sakaida
  • Patent number: 11338950
    Abstract: An inspection device includes: an irradiator that irradiates an object with near-infrared light; a spectroscope that has a slit where reflected light enters and that disperses the reflected light into wavelength component lights; an imaging device that comprises an imaging element that takes a spectroscopic image of the wavelength component lights; and a processor that: obtains spectral data based on the spectroscopic image; and detects a type of the object using a predetermined analysis based on the spectral data. Each of the wavelength component lights is a single wavelength light, the inspection device satisfies L?2P, where L is a width of each of the wavelength component lights in a wavelength dispersion direction on a light receiving surface of the imaging element and P is a width of a pixel in the wavelength dispersion direction on the light receiving surface.
    Type: Grant
    Filed: October 4, 2019
    Date of Patent: May 24, 2022
    Assignee: CKD CORPORATION
    Inventors: Yukihiro Taguchi, Tsuyoshi Ohyama, Norihiko Sakaida
  • Publication number: 20220082374
    Abstract: A three-dimensional measurement device performs three-dimensional measurement of a measured object using a phase shift method. The three-dimensional measurement device includes: an irradiator that irradiates the measured object with a predetermined light pattern having a light intensity distribution in a fringe shape; a control device that shifts a phase of the light pattern radiated from the irradiator in N different ways, where N is a natural number of not less than 3; and an imaging device that takes an image of the measured object irradiated with the light pattern. The control device executes three-dimensional measurement of the measured object by the phase shift method based on N different image data taken under the light pattern having the phase shifted in the N different ways.
    Type: Application
    Filed: November 24, 2021
    Publication date: March 17, 2022
    Applicant: CKD CORPORATION
    Inventors: Manabu Okuda, Tsuyoshi Ohyama, Norihiko Sakaida
  • Publication number: 20220071073
    Abstract: A three-dimensional measurement apparatus measures measurement targets placed in a target measurement area on a measurement object. The apparatus includes: a measurement module that: is positioned with respect to the target measurement area, and includes: a first irradiator that irradiates the target measurement area with predetermined light for height measurement; a second irradiator that irradiates the target measurement area with predetermined patterned light for three-dimensional measurement; and an imaging device that takes an image of the target measurement area; and a control device that moves the measurement module in a height direction and successively positions the measurement module at a predetermined height position determined by mapping, and performs, based on image data taken by irradiating the target measurement area with predetermined patterned light, three-dimensional measurement to the measurement targets at the predetermined height position.
    Type: Application
    Filed: November 10, 2021
    Publication date: March 3, 2022
    Applicant: CKD CORPORATION
    Inventors: Takayuki Shinyama, Tsuyoshi Ohyama, Norihiko Sakaida
  • Publication number: 20220050066
    Abstract: An inspection device includes: an electromagnetic wave irradiator that irradiates, with a predetermined electromagnetic wave from a first film side, the package that is conveyed along a predetermined direction and that has the spaces at a plurality of positions in a width direction; an imaging device that is disposed opposed to the electromagnetic wave irradiator across the package, includes an electromagnetic wave detector including a plurality of detection elements that is arrayed along the width direction and that detects the electromagnetic wave radiated from the electromagnetic wave irradiator and transmitted through the package, and sequentially outputs an obtained electromagnetic wave transmission image every time the package is conveyed by a predetermined amount; and an image processing device that processes an image signal output from the imaging device.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Applicant: CKD CORPORATION
    Inventors: Takamasa Ohtani, Tsuyoshi Ohyama, Norihiko Sakaida
  • Patent number: 11214396
    Abstract: An inspection device includes: an irradiator that irradiates an object with near-infrared light; a spectroscope that disperses reflected light from the irradiated object; an imaging device that takes a spectroscopic image of the reflected light; a processor that: obtains spectral data of a plurality of points on the object, based on the spectroscopic image; defines a group of similar spectral data from among the spectral data of the plurality of points; extracts a group having a largest number of spectral data from the defined group; calculates an average of the spectral data of the extracted group; and detects a type of the object using a predetermined analysis of the object, based on the average.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: January 4, 2022
    Assignee: CKD CORPORATION
    Inventors: Yukihiro Taguchi, Tsuyoshi Ohyama, Norihiko Sakaida
  • Publication number: 20210387761
    Abstract: An inspection device includes: X-ray irradiators that irradiates, with a predetermined X-ray from a first film-side, inspection ranges that respectively correspond to positions of packaging sheets to be separated from the packaging film; an imaging device that is disposed on a second film-side and opposed to the X-ray irradiators across the packaging film, that comprises an X-ray detector comprising detection elements arrayed along the film width direction and detecting the X-ray transmitted through the packaging film, and that successively outputs X-ray transmission image data obtained every time the packaging film is conveyed by a predetermined amount; and a controller that inspects the packaging sheet based on the X-ray transmission image data obtained by the imaging device,
    Type: Application
    Filed: August 31, 2021
    Publication date: December 16, 2021
    Applicant: CKD CORPORATION
    Inventors: Takamasa Ohtani, Tsuyoshi Ohyama, Norihiko Sakaida
  • Patent number: 11184984
    Abstract: A solder printing inspection device that is placed on an upstream side of a component mounting machine that mounts an electronic component on solder that is printed on a substrate by a solder printing machine, and that inspects the solder on the substrate on which a thermosetting adhesive is applied, the solder printing inspection device including: an irradiator that irradiates the solder with light; an imaging device that takes an image of the irradiated solder; a processor that: generates actual solder position information of a solder group that the electronic component is mounted on based on the image, wherein the solder group includes two or more solders; generates, based on design data or manufacturing data, ideal solder inspection reference information indicating a reference inspection position and/or a reference inspection range of the solder included in the solder group; outputs mounting position adjustment information to the component mounting machine.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: November 23, 2021
    Assignee: CKD CORPORATION
    Inventors: Manabu Okuda, Tsuyoshi Ohyama, Norihiko Sakaida
  • Patent number: 11039561
    Abstract: A component mounting system includes: a component mounting machine that mounts an electronic component having a predetermined electrode portion on a solder printed on a substrate, the electronic component being fixed to the substrate with a thermosetting adhesive; and an adhesive inspection device. The component mounting machine: sets, with regard to the electronic component to be fixed with the adhesive that cures at a temperature lower than a melting temperature of the solder, a target mounting height along a height direction perpendicular to a face of the substrate on which the adhesive is applied; and mounts the electronic component at the target mounting height. The target mounting height is: an ideal mounting height based on design data; or a height lower than the ideal mounting height by a value that corresponds to a sinking of the electronic component as a result of melting of the solder.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: June 15, 2021
    Assignee: CKD CORPORATION
    Inventors: Ikuo Futamura, Tsuyoshi Ohyama, Norihiko Sakaida, Kazuyoshi Kikuchi
  • Publication number: 20210135168
    Abstract: A foldable circular polarizing plate includes a polarizer and a foldable compensation film disposed on one surface of the polarizer, wherein in-plane retardations of the liquid crystal layer at 450 nm, 550 nm, and 650 nm wavelengths satisfy Relationship Equations 1 or 2, the compensation film is configured to absorb light in a wavelength region of less than or equal to 420 nm, and a reflection color in a CIE-Lab color coordinate system satisfies ?a*b*?5.0 and a foldable organic light emitting diode display including the same.
    Type: Application
    Filed: December 22, 2016
    Publication date: May 6, 2021
    Inventors: Tsuyoshi OHYAMA, Seung Hyun LEE, Hyun-Seok CHOI, Hidetoshi NAKATA, Toru ISHII
  • Patent number: 10926907
    Abstract: A PTP packaging machine includes: a filler that fills a predetermined content into pocket portions formed in a strip-shaped container film; a sealer that is provided on a downstream side of the filler and mounts a strip-shaped cover film to the container film to close the pocket portions and obtain a strip-shaped PTP film including the cover film mounted to the container film; and a puncher that is provided on a downstream side of the sealer and punches out an expected sheet portion of the PTP film that is a region of eventually forming a predetermined PTP sheet and thereby obtain the PTP sheet.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: February 23, 2021
    Assignee: CKD CORPORATION
    Inventors: Shunji Maruyama, Tsuyoshi Ohyama, Norihiko Sakaida
  • Publication number: 20210047066
    Abstract: An inspection device is used in manufacture of a PTP sheet that comprises a container film including a pocket portion in which a content is placed and a cover film closing the pocket portion. The inspection device includes: an illumination device that emits near infrared light; a light shield that is placed between the illumination device and the container film and prevents the near infrared light from entering the container film; a through hole in the light shield that allows the near infrared light to pass through; a spectroscope that disperses reflected light from the content; an imaging device that images an optical spectrum of the reflected light and obtains spectroscopic image data; and a controller that: obtains spectral data of the content based on the spectroscopic image data; and performs a predetermined inspection with regard to the content based on the spectral data of the content.
    Type: Application
    Filed: November 4, 2020
    Publication date: February 18, 2021
    Applicant: CKD CORPORATION
    Inventors: Yukihiro Taguchi, Tsuyoshi Ohyama, Norihiko Sakaida