Patents by Inventor Masataka Kazuno

Masataka Kazuno 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: 20240159534
    Abstract: An electronic device includes a substrate, a first electronic component mounted on the substrate and including a first vibrator element vibrating along a first plane along the substrate, a second electronic component mounted on the substrate and including a second vibrator element vibrating along a second plane crossing the first plane, a third electronic component mounted on the substrate and including a third vibrator element vibrating along a third plane crossing the first plane and the second plane, and a cap mounted on the substrate and covering the first electronic component, the second electronic component, and the third electronic component, wherein a resonance mode of the cap is not within vibration frequency bands of the second vibrator element and the third vibrator element in an operation temperature range.
    Type: Application
    Filed: November 10, 2023
    Publication date: May 16, 2024
    Inventors: Masataka KAZUNO, Kenji YAMAMOTO
  • Patent number: 11858226
    Abstract: A method of manufacturing an electronic device in which an electronic component coupled to a lead is covered with a mold cover, includes: a coupling step of coupling the electronic component to the lead, a bending step of bending the lead to adjust a posture of the electronic component, and a molding step of molding the electronic component with a resin material to form the mold cover, and the bending step includes a lead bending step of bending the lead by pressing a pressing member against the lead without pressing the pressing member against the electronic component.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: January 2, 2024
    Assignee: Seiko Epson Corporation
    Inventors: Masataka Kazuno, Kenji Yamamoto, Ryosuke Takahashi
  • Patent number: 11776860
    Abstract: A method of manufacturing an electronic device includes a preparation step of preparing a substrate to which a lead is bonded, and a molding step of mounting a cap in a mold in a state in which the cap is disposed on the substrate and forming a mold portion by filling a mold material into the mold. The mold includes a first mold including a cap mounting portion, and a second mold including a lead pressing portion. The molding step includes a step of mounting the cap in the cap mounting portion, a step of mounting the substrate on the cap, a step of pressing the lead with the lead pressing portion to elastically deform the lead, and biasing the substrate toward the cap by a restoring force generated in the lead, and a step of filling the mold material into the mold.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: October 3, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Masataka Kazuno, Tetsuya Otsuki, Hitoshi Ueno
  • Patent number: 11688727
    Abstract: An electronic device includes: a substrate; a first electronic component that is mounted on a first surface of the substrate; a cap that accommodates the first electronic component between the cap and the substrate; and a mold portion that bonds the cap and the substrate. The cap includes a base portion having a recess that opens to a substrate side and accommodates the first electronic component, and a flange portion that protrudes from an end portion of the base portion on the substrate side to an outer peripheral side and is in contact with the first surface. The mold portion is provided from a second surface side of the substrate to a first surface side while bypassing a side, and bonds the cap and the substrate by molding the flange portion in a portion on the first surface side.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: June 27, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Masataka Kazuno, Tetsuya Otsuki, Hitoshi Ueno
  • Patent number: 11659664
    Abstract: An electronic device includes: a substrate having an upper surface and a lower surface; a first electronic component mounted on the upper surface of the substrate; a second electronic component mounted on the lower surface of the substrate; and a mold portion covering the second electronic component without covering the first electronic component. The first electronic component is bonded to the upper surface on the first relative surface via a conductive first bonding member. The second electronic component is bonded to the lower surface via a second bonding member on a second relative surface relative to the lower surface.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: May 23, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Masataka Kazuno, Tetsuya Otsuki, Hitoshi Ueno
  • Patent number: 11376770
    Abstract: A method of manufacturing an electronic device includes a step of housing an electronic component in a metal mold, then filling the metal mold with a molding material, wherein the metal mold includes a cavity having a rectangular planar shape and housing the electronic component, and a dummy cavity communicated with a side surface having the smallest gap with the electronic component out of four side surfaces included in the cavity, and in the step of filling the metal mold with the molding material, the molding material inflows into the cavity, and the molding material in the cavity inflows into the dummy cavity.
    Type: Grant
    Filed: February 6, 2020
    Date of Patent: July 5, 2022
    Assignee: Seiko Epson Corporation
    Inventors: Masataka Kazuno, Tetsuya Otsuki
  • Publication number: 20220084898
    Abstract: A method of manufacturing an electronic device includes a preparation step of preparing a substrate to which a lead is bonded, and a molding step of mounting a cap in a mold in a state in which the cap is disposed on the substrate and forming a mold portion by filling a mold material into the mold. The mold includes a first mold including a cap mounting portion, and a second mold including a lead pressing portion. The molding step includes a step of mounting the cap in the cap mounting portion, a step of mounting the substrate on the cap, a step of pressing the lead with the lead pressing portion to elastically deform the lead, and biasing the substrate toward the cap by a restoring force generated in the lead, and a step of filling the mold material into the mold.
    Type: Application
    Filed: September 10, 2021
    Publication date: March 17, 2022
    Inventors: Masataka Kazuno, Tetsuya Otsuki, Hitoshi Ueno
  • Publication number: 20220085004
    Abstract: An electronic device includes: a substrate; a first electronic component that is mounted on a first surface of the substrate; a cap that accommodates the first electronic component between the cap and the substrate; and a mold portion that bonds the cap and the substrate. The cap includes a base portion having a recess that opens to a substrate side and accommodates the first electronic component, and a flange portion that protrudes from an end portion of the base portion on the substrate side to an outer peripheral side and is in contact with the first surface. The mold portion is provided from a second surface side of the substrate to a first surface side while bypassing a side, and bonds the cap and the substrate by molding the flange portion in a portion on the first surface side.
    Type: Application
    Filed: September 10, 2021
    Publication date: March 17, 2022
    Inventors: Masataka Kazuno, Tetsuya Otsuki, Hitoshi Ueno
  • Publication number: 20220087023
    Abstract: An electronic device includes: a substrate having an upper surface and a lower surface; a first electronic component mounted on the upper surface of the substrate; a second electronic component mounted on the lower surface of the substrate; and a mold portion covering the second electronic component without covering the first electronic component. The first electronic component is bonded to the upper surface on the first relative surface via a conductive first bonding member. The second electronic component is bonded to the lower surface via a second bonding member on a second relative surface relative to the lower surface.
    Type: Application
    Filed: September 10, 2021
    Publication date: March 17, 2022
    Inventors: Masataka Kazuno, Tetsuya Otsuki, Hitoshi Ueno
  • Patent number: 11262374
    Abstract: A sensor unit includes a plurality of terminal members each of which includes a lead portion and an external terminal portion having an external connection end face, a sensor device connected to the lead portions, and a resin member that covers the sensor device and a part of the plurality of terminal members. The lead portion includes a thin wall portion having a thickness thinner than the external terminal portion and a protruding portion protruding from the thin wall portion to an external connection end face side. In a plan view from a direction where the terminal member and the sensor device overlap, the sensor device is disposed at a position overlapping the protruding portion and not overlapping the external terminal portion.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: March 1, 2022
    Inventors: Tetsuya Otsuki, Masataka Kazuno
  • Publication number: 20210123945
    Abstract: A vibrator includes an electronic component that includes a base having a recess, a vibrator element that is arranged inside the recess, and a lid that is bonded to the base so that the vibrator element is accommodated between the base and the lid; a molded body covering the electronic component; an elastic member that is arranged between the lid and the molded body.
    Type: Application
    Filed: October 27, 2020
    Publication date: April 29, 2021
    Inventor: Masataka Kazuno
  • Publication number: 20200254663
    Abstract: A method of manufacturing an electronic device includes a step of housing an electronic component in a metal mold, then filling the metal mold with a molding material, wherein the metal mold includes a cavity having a rectangular planar shape and housing the electronic component, and a dummy cavity communicated with a side surface having the smallest gap with the electronic component out of four side surfaces included in the cavity, and in the step of filling the metal mold with the molding material, the molding material inflows into the cavity, and the molding material in the cavity inflows into the dummy cavity.
    Type: Application
    Filed: February 6, 2020
    Publication date: August 13, 2020
    Inventors: Masataka KAZUNO, Tetsuya OTSUKI
  • Publication number: 20200254704
    Abstract: A method of manufacturing an electronic device in which an electronic component coupled to a lead is covered with a mold cover, includes: a coupling step of coupling the electronic component to the lead, a bending step of bending the lead to adjust a posture of the electronic component, and a molding step of molding the electronic component with a resin material to form the mold cover, and the bending step includes a lead bending step of bending the lead by pressing a pressing member against the lead without pressing the pressing member against the electronic component.
    Type: Application
    Filed: February 10, 2020
    Publication date: August 13, 2020
    Inventors: Masataka KAZUNO, Kenji YAMAMOTO, Ryosuke TAKAHASHI
  • Publication number: 20190162745
    Abstract: A sensor unit includes a plurality of terminal members each of which includes a lead portion and an external terminal portion having an external connection end face, a sensor device connected to the lead portions, and a resin member that covers the sensor device and a part of the plurality of terminal members. The lead portion includes a thin wall portion having a thickness thinner than the external terminal portion and a protruding portion protruding from the thin wall portion to an external connection end face side. In a plan view from a direction where the terminal member and the sensor device overlap, the sensor device is disposed at a position overlapping the protruding portion and not overlapping the external terminal portion.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 30, 2019
    Inventors: Tetsuya OTSUKI, Masataka KAZUNO
  • Patent number: 9720876
    Abstract: A serial communication circuit includes a receiving unit configured to serially receive input data including a command and a synchronization identification code that is different from the command and a determining unit configured to receive the synchronization identification code from the receiving unit and when the synchronization identification code coincides with a slave selection value, to instruct a start of response processing based on the command.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: August 1, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Masataka Kazuno, Katsuhito Nakajima, Takashi Aoyama
  • Patent number: 9111642
    Abstract: A non-volatile memory device is provided, which includes a first block for storing a first data group including a test data, a second block for storing a second data group including a complementary data to the first data group, a differential sense amplifier for generating an output value based on a difference between two input signals, a diagnostic circuit for performing a failure diagnosis using a value from the differential sense amplifier, and a control circuit which performs control such that a signal based on the test data and the complementary data is set to the input signal of the differential sense amplifier and the diagnostic circuit executes a failure diagnosis of the differential sense amplifier. The non-volatile memory device performs a failure diagnosis with high reliability capable of distinguishing between a failure of sense amplifier and a failure of a memory cell.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: August 18, 2015
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Masataka Kazuno
  • Publication number: 20140115212
    Abstract: A serial communication circuit includes a receiving unit configured to serially receive input data including a command and a synchronization identification code that is different from the command and a determining unit configured to receive the synchronization identification code from the receiving unit and when the synchronization identification code coincides with a slave selection value, to instruct a start of response processing based on the command.
    Type: Application
    Filed: October 22, 2013
    Publication date: April 24, 2014
    Inventors: Masataka KAZUNO, Katsuhito NAKAJIMA, Takashi AOYAMA
  • Publication number: 20140063999
    Abstract: A non-volatile memory device is provided, which includes a first block for storing a first data group including a test data, a second block for storing a second data group including a complementary data to the first data group, a differential sense amplifier for generating an output value based on a difference between two input signals, a diagnostic circuit for performing a failure diagnosis using a value from the differential sense amplifier, and a control circuit which performs control such that a signal based on the test data and the complementary data is set to the input signal of the differential sense amplifier and the diagnostic circuit executes a failure diagnosis of the differential sense amplifier. The non-volatile memory device performs a failure diagnosis with high reliability capable of distinguishing between a failure of sense amplifier and a failure of a memory cell.
    Type: Application
    Filed: November 7, 2013
    Publication date: March 6, 2014
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Masataka KAZUNO
  • Patent number: 8611165
    Abstract: A non-volatile memory device is provided, which includes a first block for storing a first data group including a test data, a second block for storing a second data group including a complementary data to the first data group, a differential sense amplifier for generating an output value based on a difference between two input signals, a diagnostic circuit for performing a failure diagnosis using a value from the differential sense amplifier, and a control circuit which performs control such that a signal based on the test data and the complementary data is set to the input signal of the differential sense amplifier and the diagnostic circuit executes a failure diagnosis of the differential sense amplifier. The non-volatile memory device performs a failure diagnosis with high reliability capable of distinguishing between a failure of sense amplifier and a failure of a memory cell.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: December 17, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Masataka Kazuno
  • Patent number: 8296642
    Abstract: A signal judgement circuit making a judgement on a signal includes: an error signal generation circuit receiving signals via at least four signal lines and outputting an error signal when, of all the received signals, the number of signals taking on a same value does not exceed half of the number of the received signals; and an output selection circuit selecting any one of the received signals and outputting the selected signal.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: October 23, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Masataka Kazuno, Kiminori Nakajima