Patents by Inventor Takashi Toya

Takashi Toya 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).

  • Publication number: 20250191229
    Abstract: A color comparing device performs: a reference-information acquiring step (step S1) configured to acquire a measured color value at a plurality of reference points in a reference item containing a color irregularity; a target-information acquiring step (step S2) configured to acquire a measured color value at a plurality of measurement points in a target object; a calculating step (step S4) configured to combine the reference points and the measurement points to calculate a Euclidean distance on a color space coordinate between the reference points and the measurement points that are combined; and a determining step (step S6) configured to compare a predetermined threshold value and the Euclidean distance calculated on a basis of at least a combination from among combinations of the reference points and the measurement points to determine whether or not a color of the reference item and a color of the target object are similar.
    Type: Application
    Filed: December 9, 2024
    Publication date: June 12, 2025
    Inventor: Takashi TOYA
  • Publication number: 20240379059
    Abstract: An electro-optical device includes one or more control lines that include a scanning line, a data line and a pixel circuit. The pixel circuit has a drive transistor, a write-in transistor with a gate which is electrically connected to the scanning line, a light-emitting element that emits light at a brightness that depends on the size of a current that is supplied through the drive transistor, and a control line which overlaps the gate of the drive transistor when viewed from a direction that is perpendicular to a surface of a substrate on which the pixel circuit is formed is included in the one or more control lines.
    Type: Application
    Filed: July 17, 2024
    Publication date: November 14, 2024
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takashi TOYA, Takehiko Kubota
  • Patent number: 12073789
    Abstract: An electro-optical device includes one or more control lines that include a scanning line, a data line and a pixel circuit. The pixel circuit has a drive transistor, a write-in transistor with a gate which is electrically connected to the scanning line, a light-emitting element that emits light at a brightness that depends on the size of a current that is supplied through the drive transistor, and a control line which overlaps the gate of the drive transistor when viewed from a direction that is perpendicular to a surface of a substrate on which the pixel circuit is formed is included in the one or more control lines.
    Type: Grant
    Filed: June 6, 2023
    Date of Patent: August 27, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takashi Toya, Takehiko Kubota
  • Publication number: 20230317010
    Abstract: An electro-optical device includes one or more control lines that include a scanning line, a data line and a pixel circuit. The pixel circuit has a drive transistor, a write-in transistor with a gate which is electrically connected to the scanning line, a light-emitting element that emits light at a brightness that depends on the size of a current that is supplied through the drive transistor, and a control line which overlaps the gate of the drive transistor when viewed from a direction that is perpendicular to a surface of a substrate on which the pixel circuit is formed is included in the one or more control lines.
    Type: Application
    Filed: June 6, 2023
    Publication date: October 5, 2023
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takashi TOYA, Takehiko KUBOTA
  • Patent number: 11710454
    Abstract: An electro-optical device includes one or more control lines that include a scanning line, a data line and a pixel circuit. The pixel circuit has a drive transistor, a write-in transistor with a gate which is electrically connected to the scanning line, a light-emitting element that emits light at a brightness that depends on the size of a current that is supplied through the drive transistor, and a control line which overlaps the gate of the drive transistor when viewed from a direction that is perpendicular to a surface of a substrate on which the pixel circuit is formed is included in the one or more control lines.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: July 25, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takashi Toya, Takehiko Kubota
  • Patent number: 11506539
    Abstract: Provided is a measurement device including a spectroscope, a movement mechanism configured to relatively move the spectroscope along a first direction with respect to the measurement target, and one or more processors configured to execute detecting a measurement error indicating that spectroscopic measurement processing by the spectroscope is not executed normally, and controlling the spectroscope and the movement mechanism, in which the one or more processors, when the measurement target is a plurality of color patches arranged along the first direction, cause the spectroscope to execute first measurement processing of measuring light with a specific wavelength set in advance while relatively moving the spectroscope in the first direction to acquire a measured value with respect to the specific wavelength obtained by the first measurement processing and a position of the spectroscope, and when the measurement error is detected, move the spectroscope to a position where an amount of variation of the measured
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: November 22, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Takashi Toya
  • Patent number: 11480466
    Abstract: Provided is a measurement device including a spectroscope, a movement mechanism configured to relatively move the spectroscope in one direction, and one or more processors configured to determine whether a measurement position measured by the spectroscope is moved into a color patch, in which the one or more processors cause the spectroscope to execute measurement processing for a plurality of wavelengths set in advance while relatively moving the spectroscope in the one direction, and when at least one of amounts of variation of measured values with respect to each of the plurality of wavelengths obtained in the measurement processing exceeds a first threshold value and then each of the amounts of variation of the measured values of the plurality of wavelengths falls below a second threshold value which is less than or equal to the first threshold value, determine that the measurement position is moved into the color patch.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: October 25, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Takashi Toya
  • Publication number: 20220335893
    Abstract: An electro-optical device includes one or more control lines that include a scanning line, a data line and a pixel circuit. The pixel circuit has a drive transistor, a write-in transistor with a gate which is electrically connected to the scanning line, a light-emitting element that emits light at a brightness that depends on the size of a current that is supplied through the drive transistor, and a control line which overlaps the gate of the drive transistor when viewed from a direction that is perpendicular to a surface of a substrate on which the pixel circuit is formed is included in the one or more control lines.
    Type: Application
    Filed: July 7, 2022
    Publication date: October 20, 2022
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takashi TOYA, Takehiko KUBOTA
  • Patent number: 11423838
    Abstract: An electro-optical device includes one or more control lines that include a scanning line, a data line and a pixel circuit. The pixel circuit has a drive transistor, a write-in transistor with a gate which is electrically connected to the scanning line, a light-emitting element that emits light at a brightness that depends on the size of a current that is supplied through the drive transistor, and a control line which overlaps the gate of the drive transistor when viewed from a direction that is perpendicular to a surface of a substrate on which the pixel circuit is formed is included in the one or more control lines.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: August 23, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takashi Toya, Takehiko Kubota
  • Patent number: 11202607
    Abstract: A technique for realizing energy saving. According to a biological information acquisition device, light emitting power per unit area of one light emitting element emitting light when first biological information is acquired is weaker than light emitting power per unit area of one light emitting element emitting light when second biological information is acquired.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: December 21, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yuiga Hamade, Yasunori Koide, Takashi Toya
  • Patent number: 11172853
    Abstract: A technique restrains degradation of a light emitting element. A biological information acquisition device acquires light receiving result by causing a light receiving unit to receive light emitted by a light emitting unit serving as a measurement-purpose light emitting unit, and acquires biological information by using the light receiving result. The light is emitted from the light emitting unit so as to acquire the light receiving result for one time, while a plurality of light emitting patterns are switched between a light emitting element which emits the light and a light emitting element which does not emit the light in a plurality of the light emitting elements.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: November 16, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yuiga Hamade, Tetsuji Fujita, Takashi Toya, Yasunori Koide
  • Publication number: 20210190587
    Abstract: Provided is a measurement device including a spectroscope, a movement mechanism configured to relatively move the spectroscope in one direction, and one or more processors configured to determine whether a measurement position measured by the spectroscope is moved into a color patch, in which the one or more processors cause the spectroscope to execute measurement processing for a plurality of wavelengths set in advance while relatively moving the spectroscope in the one direction, and when at least one of amounts of variation of measured values with respect to each of the plurality of wavelengths obtained in the measurement processing exceeds a first threshold value and then each of the amounts of variation of the measured values of the plurality of wavelengths falls below a second threshold value which is less than or equal to the first threshold value, determine that the measurement position is moved into the color patch.
    Type: Application
    Filed: December 28, 2020
    Publication date: June 24, 2021
    Inventor: Takashi TOYA
  • Publication number: 20210190592
    Abstract: Provided is a measurement device including a spectroscope, a movement mechanism configured to relatively move the spectroscope along a first direction with respect to the measurement target, and one or more processors configured to execute detecting a measurement error indicating that spectroscopic measurement processing by the spectroscope is not executed normally, and controlling the spectroscope and the movement mechanism, in which the one or more processors, when the measurement target is a plurality of color patches arranged along the first direction, cause the spectroscope to execute first measurement processing of measuring light with a specific wavelength set in advance while relatively moving the spectroscope in the first direction to acquire a measured value with respect to the specific wavelength obtained by the first measurement processing and a position of the spectroscope, and when the measurement error is detected, move the spectroscope to a position where an amount of variation of the measured
    Type: Application
    Filed: December 28, 2020
    Publication date: June 24, 2021
    Inventor: Takashi TOYA
  • Publication number: 20210158756
    Abstract: An electro-optical device includes one or more control lines that include a scanning line, a data line and a pixel circuit. The pixel circuit has a drive transistor, a write-in transistor with a gate which is electrically connected to the scanning line, a light-emitting element that emits light at a brightness that depends on the size of a current that is supplied through the drive transistor, and a control line which overlaps the gate of the drive transistor when viewed from a direction that is perpendicular to a surface of a substrate on which the pixel circuit is formed is included in the one or more control lines.
    Type: Application
    Filed: February 5, 2021
    Publication date: May 27, 2021
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takashi TOYA, Takehiko KUBOTA
  • Patent number: 10957254
    Abstract: An electro-optical device includes one or more control lines that include a scanning line, a data line and a pixel circuit. The pixel circuit has a drive transistor, a write-in transistor with a gate which is electrically connected to the scanning line, a light-emitting element that emits light at a brightness that depends on the size of a current that is supplied through the drive transistor, and a control line which overlaps the gate of the drive transistor when viewed from a direction that is perpendicular to a surface of a substrate on which the pixel circuit is formed is included in the one or more control lines.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: March 23, 2021
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takashi Toya, Takehiko Kubota
  • Publication number: 20200143743
    Abstract: An electro-optical device includes one or more control lines that include a scanning line, a data line and a pixel circuit. The pixel circuit has a drive transistor, a write-in transistor with a gate which is electrically connected to the scanning line, a light-emitting element that emits light at a brightness that depends on the size of a current that is supplied through the drive transistor, and a control line which overlaps the gate of the drive transistor when viewed from a direction that is perpendicular to a surface of a substrate on which the pixel circuit is formed is included in the one or more control lines.
    Type: Application
    Filed: January 6, 2020
    Publication date: May 7, 2020
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Takashi TOYA, Takehiko KUBOTA
  • Patent number: 10627405
    Abstract: A detection device includes a light source which emits light, a lens, a light transmissive protecting plate, a length between the light source and the light transmissive protecting plate being larger than a length between the lens and the light transmissive protecting plate, and a light receiving element which receives the light. An angle formed by an optical axis of the lens and the light transmissive protecting plate is smaller than an angle formed by an optical axis of the light source and the transmissive protecting plate.
    Type: Grant
    Filed: June 26, 2018
    Date of Patent: April 21, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yoshihiko Momose, Hidekazu Kobayashi, Koya Shiratori, Takashi Toya, Makoto Katase
  • Patent number: 10553157
    Abstract: An electro-optical device includes one or more control lines that include a scanning line, a data line and a pixel circuit. The pixel circuit has a drive transistor, a write-in transistor with a gate which is electrically connected to the scanning line, a light-emitting element that emits light at a brightness that depends on the size of a current that is supplied through the drive transistor, and a control line which overlaps the gate of the drive transistor when viewed from a direction that is perpendicular to a surface of a substrate on which the pixel circuit is formed is included in the one or more control lines.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: February 4, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takashi Toya, Takehiko Kubota
  • Patent number: 10512426
    Abstract: A storage unit stores a cumulative light emitting frequency or a cumulative light emitting time of a light emitting element. In a case where the cumulative light emitting frequency is greater than a predetermined light emitting frequency or the cumulative light emitting time is longer than a predetermined light emitting time, a control unit causes the light emitting element to emit light toward a living body by increasing the light emitting frequency or the light emitting time at which the light emitting element emits the light in order to acquire a light receiving result once, compared to a setting light emitting frequency or a setting light emitting time. A light receiving unit acquires information of the living body, based on a light receiving result obtained by receiving the light which is emitted toward the living body and transmitted through the living body.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: December 24, 2019
    Assignee: Seiko Epson Corporation
    Inventor: Takashi Toya
  • Publication number: 20190298238
    Abstract: A technique restrains degradation of a light emitting element. A biological information acquisition device acquires light receiving result by causing a light receiving unit to receive light emitted by a light emitting unit serving as a measurement-purpose light emitting unit, and acquires biological information by using the light receiving result. The light is emitted from the light emitting unit so as to acquire the light receiving result for one time, while a plurality of light emitting patterns are switched between a light emitting element which emits the light and a light emitting element which does not emit the light in a plurality of the light emitting elements.
    Type: Application
    Filed: May 18, 2017
    Publication date: October 3, 2019
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yuiga HAMADE, Tetsuji FUJITA, Takashi TOYA, Yasunori KOIDE