Patents Assigned to Epson Corporation
  • Publication number: 20240103329
    Abstract: A liquid crystal device includes a transistor, a pixel electrode provided corresponding to the transistor, a lens layer provided in a layer between the transistor and the pixel electrode, a capacitance electrode provided in a layer between the transistor and the lens layer, and a relay layer provided in a layer between the capacitance electrode and the pixel electrode to be electrically connected to the capacitance electrode via a contact hole and electrically connected to the pixel electrode via a second contact hole, wherein the relay layer is provided in a region overlapping the capacitance electrode in plan view.
    Type: Application
    Filed: September 24, 2023
    Publication date: March 28, 2024
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Yuki KOGA
  • Patent number: 11943327
    Abstract: A server device includes a data transmission portion that transmits, to a terminal device, data according to a second protocol, the data including a processing request according to a first protocol, and a response notification portion that transmits response data transmitted from the terminal device to a request source of the processing request, the terminal device includes a request notification portion that transmits, to an electronic device, the processing request according to the first protocol based on the data according to the second protocol transmitted from the server device, and a response data transmission portion that transmits, to the server device, response data transmitted from the electronic device, and the electronic device includes a response portion that transmits, to the terminal device, response data according to the first protocol as a response to the processing request according to the first protocol transmitted from the terminal device.
    Type: Grant
    Filed: March 8, 2022
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Hiroshi Kaiho, Fuminori Hanaoka, Hiroshi Tatebe, Shuji Kobayashi
  • Patent number: 11938737
    Abstract: A supply unit in which a liquid container including a coupling portion being detachably mounted includes: a liquid introduction unit coupled to the coupling portion of the liquid container; an urging member that urges the liquid container in an uncoupling direction which is a direction opposite to a coupling direction, the coupling direction being a direction in which the liquid container is coupled to the liquid introduction unit; and an engagement lever having an engaging portion that engages with the liquid container when the liquid container is coupled to the liquid introduction unit, the engagement lever includes an operating portion operated by a user and a pressing portion configured to press the liquid container and is configured to release the engagement of the engaging portion with the liquid container when the operating portion is operated and to press the liquid container in the uncoupling direction by the pressing portion.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Toshihiro Horiuchi, Shunsuke Tamura
  • Patent number: 11938731
    Abstract: A substrate, a diaphragm, and a piezoelectric actuator are laminated in this order in a first direction, the diaphragm includes a first layer containing silicon as a constituent element, a second layer disposed between the first layer and the piezoelectric actuator, and containing any one or both of at least one metal element selected from the group made of chromium, titanium, aluminum, tantalum, hafnium, and iridium, and silicon nitride, as a constituent element, and a third layer disposed between the second layer and the piezoelectric actuator and containing zirconium as a constituent element, and a fourth layer containing any one or both of at least one metal element selected from the group made of chromium, titanium, aluminum, tantalum, hafnium, and iridium, and silicon nitride, as a constituent element is provided on the third layer on a piezoelectric actuator side.
    Type: Grant
    Filed: March 28, 2022
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Harunobu Koike, Masao Nakayama, Toshihiro Shimizu, Yasushi Yamazaki, Osamu Tonomura, Tatsuo Sawasaki, Chihiro Nishi
  • Patent number: 11938724
    Abstract: A post-processing device includes a first discharge unit, a processing tray, an end alignment portion, a transport unit that comes into contact with an upperface of a medium placed on the processing tray and transports the medium to the end alignment portion, a position changing unit that changes the relative position of the transport unit with respect to the processing tray, a controller, and a post-processing unit that performs a post-process on the medium on the processing tray, wherein the position changing unit is configured to move the transport unit to a transport position to which the medium is transported and a standby position farther away from the processing tray than the transport position, wherein the controller changes the standby position based on the processing information related to the process performed on the medium, and wherein the processing information includes information about a process performed on the first medium.
    Type: Grant
    Filed: March 3, 2022
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Kei Sadakuni, Kenji Uchibori
  • Patent number: 11940275
    Abstract: A vibrator device includes a vibrator element, and a support substrate configured to support the vibrator element. The vibrator element includes a drive arm provided with a drive signal electrode and a drive constant-potential electrode, and a detection arm provided with a detection signal electrode and a detection constant-potential electrode. The support substrate includes a base, and a drive signal interconnection electrically coupled to the drive signal electrode, a drive constant-potential interconnection electrically coupled to the drive constant-potential electrode, and a detection signal interconnection electrically coupled to the detection signal electrode all provided to the base, and the drive arm includes a first surface located at the support substrate side, and a second surface located at an opposite side to the first surface. Further, the drive constant-potential electrode is disposed on the first surface, and the drive signal electrode is disposed on the second surface.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: March 26, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Seiichiro Ogura, Keiichi Yamaguchi, Ryuta Nishizawa
  • Patent number: 11940632
    Abstract: A virtual image display device is provided. Included in the virtual image display device are: an image light generating device; a projection optical system configured to project image light emitted from the image light generating device; a folding mirror configured to reflect, in an intersecting direction, the image light from the projection optical system; a semi-transmissive mirror configured to reflect a portion of the image light from the folding mirror; a concave surface mirror configured to reflect, toward the semi-transmissive mirror, the image light reflected at the semi-transmissive mirror to form an exit pupil, in which an entrance pupil is formed between the projection optical system and the semi-transmissive mirror.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: March 26, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Daiki Matsumoto, Masatoshi Yonekubo, Takashi Takeda
  • Patent number: 11940327
    Abstract: A color measuring system includes a receiving section configured to receive designation of a color group including a plurality of colors, a determining section configured to determine whether a color measured by the color measuring section and a comparison target color in the color group coincide, and a control section configured to, when it is determined that the measured color and the comparison target color coincide, automatically advance a color measuring process to a color measuring process for performing the color measurement for a next color in the color group.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Ayako Kobayashi, Yuka Kobayashi, Yasuo Koyauchi, Marina Mineno
  • Patent number: 11938740
    Abstract: A liquid ejecting device includes a liquid ejecting head configured to eject a liquid to a medium to perform printing, and a control unit configured to control the liquid ejecting head and include a storage unit. The storage unit is configured to be able to store a plurality of ranges of the liquid consumption amount, and the number of printed sheets on which, in a predetermined period, printing is performed in each of the plurality of ranges of the liquid consumption amount. When the plurality of ranges of the liquid consumption amount are changed within the predetermined period, the control unit performs invalidation processing on the number of printed sheets stored in the storage unit.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: March 26, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Yasuaki Hirai, Masayuki Ishida
  • Patent number: 11943410
    Abstract: Setting conditions related to reading of an image of a document are registered in association with a user according to input by a user. When a user is identified, the priority order is determined so that a setting condition corresponding to the identified user is prioritized over a setting condition not corresponding to the user among the registered setting conditions, and the setting condition information indicating the setting conditions in the determined priority is displayed. The image is read under the setting condition based on the setting condition information selected according to the input by the user of the setting condition information indicating the displayed setting conditions.
    Type: Grant
    Filed: January 4, 2023
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Ryoichi Taniyama, Rei Tsutsui, Yoshihiro Hamaguchi, Yuji Takase
  • Patent number: 11941091
    Abstract: An information processing system for receiving a service using an electronic device, the information processing system includes an acquisition section configured to acquire a license key for using the service issued by a server system and a processing section. The license key includes setting information to be used when the electronic device uses the service. The processing section acquires the setting information included in the acquired license key and performs setting processing of the electronic device based on the acquired setting information.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: March 26, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Jun Takasawa, Yasuhiro Oshima
  • Patent number: 11943413
    Abstract: A document platen on which a document is placed; and a reading sensor having a light source for irradiating the document with light, are provided, and the reading sensor performs first scanning for irradiating the document with light at a first light quantity, and then performs second scanning for irradiating the document with light at a second light quantity greater than the first light quantity.
    Type: Grant
    Filed: January 4, 2023
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Tsuneo Kasai, Ryo Yamaguchi, Sho Arai
  • Patent number: 11940664
    Abstract: A lens unit includes a jointed lens having a first optical member, a second optical member disposed on an optical axis of the first optical member, and a jointing member having a light transmissive property and disposed between the first optical member and the second optical member, and a holding mechanism configured to hold the first and second optical members. The holding mechanism holds the first and second optical members so that a distance along an optical axis direction between a first lateral surface at an opposite side to a second optical member side in the first optical member and a second lateral surface at an opposite side to a first optical member side in the second optical member becomes a preset distance. The jointing member adheres to the first optical member and the second optical member so that the distance becomes the preset distance.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: March 26, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Hirotaka Yanagisawa
  • Patent number: 11943405
    Abstract: An image reading apparatus includes a feed roller configured to feed a document, a transport roller disposed downstream of the feed roller and configured to transport the document downstream; a transport motor being a drive source of the transport roller; a reading unit disposed downstream of the transport roller and configured to read the document; and a control unit configured to control the reading unit and the transport motor, wherein the control unit is configured to obtain information on a document type and an inclination detection reference value for an inclination of image data set in accordance with the document type and obtained from the reading unit, and when the inclination of the image data exceeds the inclination detection reference value in accordance with the document type, the control unit stops the transport motor.
    Type: Grant
    Filed: May 3, 2023
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventor: Hiromichi Kitsuki
  • Patent number: 11942736
    Abstract: There are provided a substrate; a main body case; and a first locking member and a second locking member for fixing the substrate and the main body case, the substrate includes a first receptacle connector configured to be coupled to a first plug of a first cable, a second receptacle connector configured to be coupled to a second plug of a second cable, a first coil that supplies electric power to the first receptacle connector, and a second coil that supplies electric power to the second receptacle connector, a distance from the first locking member to the first coil is shorter than a distance from the first locking member to the first receptacle connector, and a distance from the second locking member to the second coil is shorter than a distance from the second locking member to the second receptacle connector.
    Type: Grant
    Filed: August 30, 2022
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventor: Takeshi Harada
  • Patent number: 11938739
    Abstract: An ink refill container includes a container main body including an ink storage chamber, an ink outlet-forming portion provided on an end portion of the container main body forming an ink outlet that allows the ink to flow out from the ink storage chamber, and a valve provided in the ink outlet-forming portion configured to openably seal the ink outlet, in which the ink outlet-forming portion includes a positioning portion on an outer side of the ink outlet-forming portion. in which the positioning portion is closer to the container main body than the valve is to the container main body in a central axis direction of the ink outlet, and in which the positioning portion partially abuts against an ink tank when the valve is opened for refilling the ink to the ink tank, to thereby position the valve relative to the ink tank.
    Type: Grant
    Filed: March 15, 2023
    Date of Patent: March 26, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Tadahiro Mizutani, Ryoichi Tanaka, Manabu Akahane, Makoto Kobayashi, Naomi Kimura, Hideki Okumura, Shoma Kudo, Tetsuya Takamoto, Hiroaki Sakai
  • Patent number: 11938728
    Abstract: A liquid ejecting head includes: head chips including a first-head-chip and a second-head-chip; a holder holding the head chips; and a heater along a direction parallel to a nozzle surface. The first-head-chip and the second-head-chip are disposed to be offset from each other in both a first-direction and a second-direction parallel to the nozzle surface and intersecting with each other. When a first-side is one of the four sides of a virtual rectangle circumscribing the aggregate of the head chips and a second-side and a third-side are coupled to both ends of the first-side, the first-head-chip is in contact with the first-side and the third-side and the second-head chip is in contact with the second-side. The heater overlaps the head chips. A first-region surrounded by the first-side, the second-side, the first-head-chip, and the second-head-chip includes a first-outside-part positioned outside the outer edge of the heater.
    Type: Grant
    Filed: March 23, 2022
    Date of Patent: March 26, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Takahiro Kanegae, Katsuhiro Okubo, Kentaro Murakami, Shingo Tomimatsu, Hiroki Kobayashi, Haruhisa Uezawa
  • Patent number: 11940761
    Abstract: A manufacturing method includes a first repeating step of irradiating a base material with a pulse laser, having a spot diameter S, while relatively moving a laser head and the base material in a first direction, moving the laser head by a predetermined pitch width P in a second direction that intersects the first direction, and repeating irradiation by the pulse laser along the first direction and movement of the laser head in the second direction, and a second repeating step of irradiating the base material with the pulse laser while relatively moving the laser head and the base material in the second direction, moving the laser head by the pitch width in the first direction, and repeating irradiation by the pulse laser along the second direction and movement of the laser head in the first direction, wherein S<P<100 ?m.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: March 26, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Wataru Uehara, Yuki Takishita, Ai Yoshinaga, Atsuhiko Sugita
  • Patent number: 11938730
    Abstract: Provided is a piezoelectric element in which a first electrode, a seed layer, a piezoelectric layer, and a second electrode are laminated on a substrate, in which the seed layer is a composite oxide containing at least Pb, Bi, Fe, and Ti.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventor: Kazuya Kitada
  • Patent number: RE49885
    Abstract: The wire grid type polarization device includes a substrate, and a metal layer formed on one face of the substrate in a substantially stripe shape in a plan view, a first dielectric layer provided on two side faces opposite to each other among a plurality of side faces of the metal layer and in a top part of the metal layer, and a second dielectric layer provided on the first dielectric layer. A substrate side end portion of the second dielectric layer is located between the one surface of the substrate and the top part of the first metal layer. The wire grid type polarization device includes a substrate and a plurality of metal layers that includes a first metal layer having a first side face, a second side face opposed to the first side face, and a top part. First and second dielectric layers are provided in the first side face, the second side face, and the top part of the first metal layer. The first dielectric layer is provided between the first metal layer and the second dielectric layer.
    Type: Grant
    Filed: October 5, 2021
    Date of Patent: March 26, 2024
    Assignee: Seiko Epson Corporation
    Inventor: Yoshitomo Kumai