Patents Assigned to Seiko Epson Corporation
  • Patent number: 12264437
    Abstract: A fiber body manufacturing apparatus includes: a material supply section that supplies a material containing a fiber; a defibrating section that defibrates the material supplied from the material supply section; a separation section that includes a rotating member, a suction portion, and a collection section, the rotating member having a first surface and a second surface that are in a front and back relationship, being at least partially composed of a mesh, and to which a defibrated material generated in the defibrating section is supplied onto the first surface, the suction portion being provided on a side of the second surface of the rotating member and sucking the defibrated material via the mesh to remove foreign matter, the collection section collecting the defibrated material from which the foreign matter on the first surface has been removed; an accumulation section that accumulates the defibrated material from which the foreign matter has been removed; a forming section that forms an accumulated mate
    Type: Grant
    Filed: January 5, 2023
    Date of Patent: April 1, 2025
    Assignee: Seiko Epson Corporation
    Inventor: Naoko Omagari
  • Patent number: 12264436
    Abstract: A sheet manufacturing apparatus that manufactures a sheet-shaped recycled paper using coarsely crushed pieces obtained by coarsely crushing a sheet containing fibers as a raw material, includes a container loading section that is configured to load a container in which the coarsely crushed pieces are housed and which has an information carrying section for carrying information related to characteristics of the housed coarsely crushed pieces, a reading section that reads the information carried by the information carrying section, a determination section that determines whether or not the coarsely crushed pieces in the container are suitable as the raw material for sheet manufacturing by the sheet manufacturing apparatus based on the information read by the reading section, and a switching section that switches between a first state in which the container is configured to be loaded into the container loading section and a second state in which the container is prevented from being loaded into the container loa
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: April 1, 2025
    Assignee: Seiko Epson Corporation
    Inventor: Takao Mikoshiba
  • Patent number: 12266125
    Abstract: A measurement method including generating first restoration information representing a Euclidean restoration result for a first region of a screen that is a non-planar surface based on a first image that is one of an image input to a first apparatus including a first lens and having known internal parameters relating to the first lens and an image output from the first apparatus, and a second image that is one of an image input to a second apparatus including a second lens and having known internal parameters relating to the second lens and an image output from the second apparatus, generating second restoration information representing a projection restoration result for a second region of the screen based on a third image that is one of an image input to a third apparatus including a third lens and having unknown internal parameters relating to the third lens and an image output from the third apparatus, and the first image, generating a three-dimensional projective transformation matrix for transforming th
    Type: Grant
    Filed: October 27, 2023
    Date of Patent: April 1, 2025
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Hiroki Senshiki
  • Patent number: 12264250
    Abstract: A coloring composition of the present disclosure includes a metal pigment; an acrylic-based resin having an acid value of 200 mgKOH/g or less; and a liquid medium component, the metal pigment includes metal particles, the metal particles are surface-modified with a surface treatment agent, and the surface treatment agent includes at least one selected from the group consisting of a compound represented by the following formula (1) and a compound represented by the following formula (2).
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: April 1, 2025
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Shintaro Asai, Hiroaki Kida, Kei Hiruma, Tomoyuki Ushiyama, Mitsunobu Nakatani, Kenta Tsukada
  • Patent number: 12265755
    Abstract: A display method includes displaying, side by side, in a first region, a first image corresponding to a first terminal and a second image corresponding to a second terminal, when a first voice detected by the first terminal and a second voice detected by the second terminal overlap, displaying a first text image indicating content of the first voice in the first region in association with the first image and displaying a second text image indicating content of the second voice in the first region in association with the second image, and, when receiving operation for moving the first text image to a second region different from the first region, displaying the first text image in the second region.
    Type: Grant
    Filed: September 23, 2022
    Date of Patent: April 1, 2025
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yoshitaka Nakashin
  • Publication number: 20250102806
    Abstract: A display panel that emits an image light beam, a projection optical system that collimates the image light beam from the display panel, and a light-guiding member including a light-guiding plate that guides the image light beam, an incidence portion that causes the image light beam to enter the light-guiding plate, a relay portion that guides the image light beam passing through the incidence portion and enlarges a pupil in a first direction, and an emission portion that guides the image light beam passing through the relay portion, and emits the image light beam from the light-guiding plate are provided, an exit pupil of the projection optical system has a shape in which a vertical width is larger than a lateral width, and the incidence portion has a shape in which a vertical width is larger than a lateral width, correspondingly to the shape of the exit pupil.
    Type: Application
    Filed: September 25, 2024
    Publication date: March 27, 2025
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Masayuki TAKAGI
  • Publication number: 20250104634
    Abstract: A pixel circuit provided in correspondence with a scanning line and a data line includes a transistor and an OLED, where the transistor supplies current corresponding to a voltage between a gate node and a source node to the OLED in a light-emission period, sets the data line to a potential Vini in an initialization period, sets the gate node of the transistor to a threshold equivalent potential in a compensation period, sets the gate node of the transistor to a potential corresponding to a luminance of the OLED from the threshold equivalent potential in a write period, and sets the drain node of the transistor to a potential greater than or equal to the potential Vini and lower than a potential VBk in a drain set period.
    Type: Application
    Filed: September 20, 2024
    Publication date: March 27, 2025
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Takehiko KUBOTA
  • Publication number: 20250107284
    Abstract: An electro-optical device includes a common electrode; a plurality of structural bodies, each including a first semiconductor layer electrically coupled to the first electrode, a second semiconductor layer, and a light emission function layer provided between the first semiconductor layer and the second semiconductor layer; and a driving printed wired board including a pixel electrode and a driving circuit electrically coupled to the pixel electrode. The plurality of structural bodies include a first structural body provided at a position overlapping the pixel electrode in plan view, the pixel electrode being electrically coupled to the second semiconductor layer, and a second structural body provided at a position not overlapping the pixel electrode in plan view, the pixel electrode not being electrically coupled to the second semiconductor layer.
    Type: Application
    Filed: September 20, 2024
    Publication date: March 27, 2025
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Yuiga HAMADE, Narumi ISHIBASHI, Hitoshi OTA
  • Publication number: 20250104592
    Abstract: A driver including a capacitor circuit, a capacitor driving circuit, a variable capacitance circuit, and a control circuit is provided. The capacitor circuit includes first to n-th capacitors provided between first to n-th capacitor driving nodes and an output terminal. The variable capacitance circuit is connected to the output terminal. The control circuit sets the variable capacitance circuit to the first capacitance value in a pixel driving period of the electro-optical panel, and sets the variable capacitance circuit to the second capacitance value smaller than the first capacitance value in a precharge period of the electro-optical panel.
    Type: Application
    Filed: September 24, 2024
    Publication date: March 27, 2025
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Ryota BANSHO, Akira MORITA
  • Patent number: 12259607
    Abstract: A liquid crystal apparatus includes a first electrode, a liquid crystal layer, a second electrode, and a measurement circuit, and the measurement circuit supplies a first potential to the first electrode and supplies a second potential higher than the first potential to the second electrode in a first period, supplies the first potential to the first electrode, and supplies a third potential higher than the first potential and lower than the second potential to the second electrode in a second period, supplies a fourth potential higher than the third potential and lower than the second potential to the first electrode and supplies a third potential to the second electrode in a third period, and stops the supply of the potential to the first electrode and supplies the third potential to the second electrode in a fourth period.
    Type: Grant
    Filed: March 28, 2024
    Date of Patent: March 25, 2025
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Shinsuke Fujikawa
  • Patent number: 12258712
    Abstract: A sheet manufacturing system includes a coarsely crushing apparatus that coarsely crushes a paper; a sheet manufacturing apparatus that generates a sheet-shaped recycled paper using coarsely crushed pieces of the paper as a raw material; and a server that is connected to the coarsely crushing apparatus and the sheet manufacturing apparatus via a network, in which the sheet manufacturing apparatus has a reserving section that reserves the coarsely crushed pieces, a remaining amount detector that detects a remaining amount of the coarsely crushed pieces in the reserving section, a calculation section that calculates an allowable filling amount of the coarsely crushed pieces in the reserving section based on a detection result of the remaining amount detector, and an output section that transmits information related to the calculated allowable filling amount to the server, and the coarsely crushing apparatus has an integration section that integrates the coarsely crushed pieces, an input section that acquires th
    Type: Grant
    Filed: March 23, 2023
    Date of Patent: March 25, 2025
    Assignee: Seiko Epson Corporation
    Inventor: Takao Mikoshiba
  • Patent number: 12258713
    Abstract: A sheet manufacturing system includes a coarsely crushing apparatus that coarsely crushes a paper, a sheet manufacturing apparatus that generates a sheet-shaped recycled paper using coarsely crushed pieces of the paper as a raw material, and a server that is connected to the coarsely crushing apparatus and the sheet manufacturing apparatus via a network, in which the coarsely crushing apparatus has an integration section that integrates the coarsely crushed pieces, an integration amount detector that detects an integration amount of the coarsely crushed pieces in the integration section, and a transmission section that transmits information related to the integration amount, which is detected by the integration amount detector, to the server, and the sheet manufacturing apparatus has a reception section that acquires the information related to the integration amount from the server, a display information generation section that generates display information related to the integration amount based on the infor
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: March 25, 2025
    Assignee: Seiko Epson Corporation
    Inventor: Takao Mikoshiba
  • Patent number: 12260139
    Abstract: There are provided a printing section that performs printing on a medium; a control section that controls drive of the printing section; a power supply connector that supplies electric power to the control section; a first receptacle connector that is electrically coupled to a first external device; and a second receptacle connector that is electrically coupled to a second external device, a plug of a USB-Type-C cable is configured to be physically inserted into the second receptacle connector, the plug is configured not to be physically inserted into the power supply connector, an insertion port of the first receptacle connector is arranged along a first connector surface, and an insertion port of the second receptacle connector is arranged along a second connector surface.
    Type: Grant
    Filed: August 29, 2022
    Date of Patent: March 25, 2025
    Assignee: Seiko Epson Corporation
    Inventor: Takeshi Harada
  • Patent number: 12260976
    Abstract: A magnetic bead contains: a magnetic metal powder; and a coating layer with which a particle surface of the magnetic metal powder is coated. When the magnetic bead is left to stand in a state of a dispersion obtained by dispersing the magnetic bead in water, a time until an initial absorbance of the dispersion attenuates to 80% of an absorbance when the standing is started is 90 seconds or longer.
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: March 25, 2025
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yasunari Ikeda, Michio Nakamori, Hirofumi Hokari
  • Patent number: 12259676
    Abstract: A transport device includes a transport belt having a support surface configured to support a medium, a cleaning roller including an absorbent member configured to absorb cleaning liquid, and configured to clean the support surface as the absorbent member comes into contact with the support surface, a supply unit configured to supply the cleaning liquid to the cleaning roller, and a squeeze member to squeeze the absorbent member as the cleaning roller rotates in a state in which the squeeze member is in contact with the absorbent member. The supply unit is configured to be switched between a supply state in which the cleaning liquid is supplied to the cleaning roller and a non-supply state in which the cleaning liquid is not supplied to the cleaning roller, and the squeeze member squeezes the absorbent member while the supply unit is in the non-supply state.
    Type: Grant
    Filed: March 14, 2022
    Date of Patent: March 25, 2025
    Assignee: Seiko Epson Corporation
    Inventors: Koji Sato, Yoshihisa Horikawa
  • Patent number: 12259403
    Abstract: Provided is an inertial sensor module having excellent detection accuracy. The inertial sensor module includes: a first sensor having a first axis, a second axis, and a third axis as detection axes; and a second sensor having accuracy higher than that of the first sensor and having the third axis as a detection axis. The first sensor and the second sensor are disposed on an inner bottom surface which is one plane in a package. The first sensor and the second sensor are sealed by the package in an airtight manner.
    Type: Grant
    Filed: September 28, 2022
    Date of Patent: March 25, 2025
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Toru Watanabe
  • Patent number: 12259691
    Abstract: An electronic watch includes memory that stores a reference time and a time difference relative to the reference time, a timekeeper that clocks the reference time, a time display unit that includes an hour hand displaying a display time based on the reference time and the time difference, a calendar display unit that displays a date based on the reference time and the time difference, an operation device that includes a crown or a button, and a controller that, in a set time-difference setting range, corrects the time difference at a regular interval for each of operations of the operation device, and updates the hour hand and the date in accordance with the corrected time difference.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: March 25, 2025
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Yoshihide Kaneko
  • Patent number: 12257829
    Abstract: A recording apparatus includes a liquid ejection unit that moves in a first direction relative to a medium and eject liquid, and a control unit that controls the liquid ejection unit. The liquid ejection unit includes a plurality of nozzles arranged in a direction different from the first direction and configured to eject the liquid, the control unit forms, by using a first nozzle of the nozzles, a first pattern with a first length in the first direction, the control unit forms, by using two or more nozzles different from the first nozzle, a second pattern including an image arrangement in which images are arranged so as to be displaced in a step-like manner in the first direction and a second direction different from the first direction, a region on the medium where the second pattern is formed has a second length in the first direction, and the first length is greater than the second length.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: March 25, 2025
    Assignee: Seiko Epson Corporation
    Inventors: Yoshiaki Yamamoto, Eiichi Ohara
  • Patent number: 12259745
    Abstract: A real-time clock module includes: an oscillation circuit configured to generate a first clock signal by oscillating a resonator; an interface circuit configured to receive alarm setting data; a memory in which the alarm setting data and a program are to be stored; and a processor configured to execute the program to perform a comparison process of comparing clocking data generated based on the first clock signal with the alarm setting data, and output an alarm signal according to a result of the comparison process.
    Type: Grant
    Filed: March 23, 2023
    Date of Patent: March 25, 2025
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Masayuki Kamiyama
  • Patent number: 12258481
    Abstract: A dispersion liquid includes water, a coloring material, and a dispersing resin which disperses the coloring material, in which the dispersing resin has a predetermined constituent unit A, a predetermined constituent unit B, and a predetermined constituent unit C.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: March 25, 2025
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Koichi Terao, Mami Tojino, Toshihiro Otake, Hiroshi Ito, Koji Horiba