Patents by Inventor Seiichiro Ogura

Seiichiro Ogura 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: 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
  • Publication number: 20240069057
    Abstract: An angular velocity detection element includes: a drive vibration arm configured to perform flexural vibration according to an applied drive signal; and a detection vibration arm configured to perform flexural vibration according to an applied angular velocity. Each of the drive vibration arm and the detection vibration arm has a bottomed groove portion along an extending direction. d2/t2>d1/t1, in which t1 is a thickness of the drive vibration arm, d1 is a depth of the groove portion of the drive vibration arm, t2 is a thickness of the detection vibration arm, and d2 is a depth of the groove portion of the detection vibration arm.
    Type: Application
    Filed: August 28, 2023
    Publication date: February 29, 2024
    Inventors: Seiichiro OGURA, Keiichi YAMAGUCHI, Ryuta NISHIZAWA
  • Patent number: 11916538
    Abstract: A vibrator device includes a vibrating body having obverse and reverse principal surfaces and a side surface connecting the obverse and reverse principal surfaces to each other, a package configured to house the vibrating body, and a bonding material configured to fix the vibrating body to the package, wherein the vibrating body has a coupling part including a recess recessed from the side surface toward a center of the principal surfaces, and a protrusion protruding from a side surface of the recess, the protrusion is one of breaking-off parts with which a plurality of the vibrating bodies is broken off from a wafer to which the plurality of the vibrating bodies is coupled, and the bonding material has contact with a side surface of the protrusion in the recess.
    Type: Grant
    Filed: January 19, 2021
    Date of Patent: February 27, 2024
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Seiichiro Ogura, Keiichi Yamaguchi, Ryuta Nishizawa
  • Patent number: 11888464
    Abstract: A vibration element includes a base and a vibrating arm extending from the base. The vibrating arm includes an arm positioned between the base and a weight. A weight film is disposed on the weight. The weight has a first principal surface and a second principal surface in a front and back relationship with respect to a center plane of the arm. A center of gravity of the weight is located between the first principal surface and the center plane of the arm. A center of gravity of the weight film is located between the second principal surface and the center plane of the arm.
    Type: Grant
    Filed: December 14, 2022
    Date of Patent: January 30, 2024
    Inventors: Seiichiro Ogura, Keiichi Yamaguchi, Masahiro Oshio, Takashi Yamazaki
  • Publication number: 20230412146
    Abstract: A vibrator device has the vibrator element, a support substrate supporting the vibrator element, and a plurality of interconnections disposed on the support substrate. The support substrate includes an element mounting base, a supporting base, a frame located between the element mounting base and the supporting base, inner beams for coupling the element mounting base and the frame to each other, and outer beams for coupling the frame and the supporting base to each other. The plurality of interconnections include a drive signal interconnection and a detection signal interconnection laid around to the element mounting base and the supporting base, and the drive signal interconnection and the detection signal interconnection are laid around to the element mounting base and the frame through the respective inner beams different from each other, and are laid around to the frame and the supporting base through the respective outer beams different from each other.
    Type: Application
    Filed: August 30, 2023
    Publication date: December 21, 2023
    Inventor: Seiichiro Ogura
  • Publication number: 20230387885
    Abstract: A vibration element includes a base and a vibrating arm extending from the base. The vibrating arm includes an arm positioned between the base and a weight. A weight film is disposed on the weight. The weight has a first principal surface and a second principal surface in a front and back relationship with respect to a center plane of the arm. A center of gravity of the weight is located between the first principal surface and the center plane of the arm. A center of gravity of the weight film is located between the second principal surface and the center plane of the arm.
    Type: Application
    Filed: August 8, 2023
    Publication date: November 30, 2023
    Inventors: Seiichiro OGURA, Keiichi YAMAGUCHI, Masahiro OSHIO, Takashi YAMAZAKI
  • Patent number: 11784630
    Abstract: A vibrator device has the vibrator element, a support substrate supporting the vibrator element, and a plurality of interconnections disposed on the support substrate. The support substrate includes an element mounting base, a supporting base, a frame located between the element mounting base and the supporting base, inner beams for coupling the element mounting base and the frame to each other, and outer beams for coupling the frame and the supporting base to each other. The plurality of interconnections include a drive signal interconnection and a detection signal interconnection laid around to the element mounting base and the supporting base, and the drive signal interconnection and the detection signal interconnection are laid around to the element mounting base and the frame through the respective inner beams different from each other, and are laid around to the frame and the supporting base through the respective outer beams different from each other.
    Type: Grant
    Filed: October 27, 2020
    Date of Patent: October 10, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Seiichiro Ogura
  • Publication number: 20230247907
    Abstract: A vibrator device includes a base, a vibrator element, a support substrate configured to support the vibrator element, and at least three bonding members which are arranged on the support substrate at a distance from each other, and which are configured to bond the support substrate and the base to each other, wherein the support substrate has a thin-wall portion, and the thin-wall portion is arranged between a pair of the bonding members adjacent to each other at a distance smaller than a distance between another pair of the bonding members adjacent to each other.
    Type: Application
    Filed: January 27, 2023
    Publication date: August 3, 2023
    Inventor: Seiichiro Ogura
  • Publication number: 20230238938
    Abstract: A vibrator device includes a vibrator element having a base part, and a detection arm and a drive arm as a plurality of vibrating arms extending in a B direction as a first direction from the base part, a base body, and a support substrate configured to support the vibrator element with respect to the base body, wherein the support substrate includes a base-body fixation part to be fixed to the base body, an element support part configured to support the base part of the vibrator element, and a beam part configured to couple the base-body fixation part and the element support part to each other, and the support substrate has a plurality of recessed parts corresponding to the plurality of vibrating arms in an area which is located at a side of a surface opposed to the vibrator element, and on which at least a part of the vibrating arms overlaps in a plan view.
    Type: Application
    Filed: January 23, 2023
    Publication date: July 27, 2023
    Inventor: Seiichiro OGURA
  • Patent number: 11662204
    Abstract: A vibrator device includes a vibrating body having a first surface, a package having a second surface opposed to the first surface of the vibrating body, a circuit board provided to the package so as to be opposed to the first surface of the vibrating body, a plurality of coupling electrodes provided to the first surface of the vibrating body, a first coupling line provided to the second surface of the package, a second coupling line provided to the circuit board, and a bonding material electrically coupling the coupling electrode and the first coupling line to each other, wherein the vibrating body has a protrusion protruding toward the package farther than the coupling electrode at the first surface side, and the protrusion has contact with the second surface of the package.
    Type: Grant
    Filed: January 22, 2021
    Date of Patent: May 30, 2023
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Seiichiro Ogura, Keiichi Yamaguchi, Ryuta Nishizawa
  • Patent number: 11650054
    Abstract: Provided is a vibrator device including a vibrator structure body. When the A axis, the B axis, and the C axis are three axes orthogonal to each other, the vibrator structure body includes a vibrator element and a support substrate that is aligned with the vibrator element along the C axis. The vibrator element includes vibrating arms configured to flexurally vibrate along a plane parallel to the A axis and the B axis and along the A axis. The support substrate includes a base that supports the vibrator element, a support that supports the base, and a beam that couples the base and the support. A relationship f0<f1 is satisfied in which f0 is a resonance frequency of a vibration of the vibrator structure body along the B axis and f1 is a drive frequency of the vibrator element.
    Type: Grant
    Filed: February 24, 2022
    Date of Patent: May 16, 2023
    Inventors: Ryuta Nishizawa, Seiichiro Ogura, Keiichi Yamaguchi
  • Publication number: 20230109944
    Abstract: A vibration element includes a base and a vibrating arm extending from the base. The vibrating arm includes an arm positioned between the base and a weight. A weight film is disposed on the weight. The weight has a first principal surface and a second principal surface in a front and back relationship with respect to a center plane of the arm. A center of gravity of the weight is located between the first principal surface and the center plane of the arm. A center of gravity of the weight film is located between the second principal surface and the center plane of the arm.
    Type: Application
    Filed: December 14, 2022
    Publication date: April 13, 2023
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Seiichiro OGURA, Keiichi YAMAGUCHI, Masahiro OSHIO, Takashi YAMAZAKI
  • Patent number: 11595026
    Abstract: A vibration element includes a base and a vibrating arm extending from the base. The vibrating arm includes an arm positioned between the base and a weight. A weight film is disposed on the weight. The weight has a first principal surface and a second principal surface in a front and back relationship with respect to a center plane of the arm. A center of gravity of the weight is located between the first principal surface and the center plane of the arm. A center of gravity of the weight film is located between the second principal surface and the center plane of the arm.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: February 28, 2023
    Inventors: Seiichiro Ogura, Keiichi Yamaguchi, Masahiro Oshio, Takashi Yamazaki
  • Patent number: 11444235
    Abstract: The vibrator device includes: a base; a circuit element disposed on the base; a vibrating element disposed to at least partially overlap the circuit element in a plan view; and a support substrate that is disposed between the circuit element and the vibrating element and supports the vibrating element. In addition, the vibrating element has a frequency adjustment portion that performs frequency adjustment by removing at least a part of the vibrating element, and the support substrate includes a base portion that supports the vibrating element, a support portion that supports the base portion, a beam portion that couples the base portion the support portion, and a shielding portion that is connected to the beam portion, overlaps the frequency adjustment portion in a plan view, and has light shielding properties.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: September 13, 2022
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Seiichiro Ogura, Ryuta Nishizawa, Keiichi Yamaguchi
  • Publication number: 20220236058
    Abstract: A vibrator device includes a vibrator element, and a support substrate disposed so as to be opposed to the vibrator element. The support substrate includes a base configured to support the vibrator element, a support configured to support the base, a plurality of beams configured to couple the base and the support to each other, and a drive signal interconnection, a drive constant-potential interconnection, a detection signal interconnection, and a detection constant-potential interconnection each laid around the base and the support passing the beams, and in predetermined one of the beams, at least one of the drive constant-potential interconnection and the detection constant-potential interconnection is disposed on a surface on the vibrator element side, and the detection signal interconnection is disposed on a surface on the opposite side.
    Type: Application
    Filed: April 14, 2022
    Publication date: July 28, 2022
    Inventors: Ryuta NISHIZAWA, Keiichi YAMAGUCHI, Seiichiro OGURA
  • Publication number: 20220236057
    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: Application
    Filed: April 12, 2022
    Publication date: July 28, 2022
    Inventors: Seiichiro OGURA, Keiichi YAMAGUCHI, Ryuta NISHIZAWA
  • Publication number: 20220178694
    Abstract: Provided is a vibrator device including a vibrator structure body. When the A axis, the B axis, and the C axis are three axes orthogonal to each other, the vibrator structure body includes a vibrator element and a support substrate that is aligned with the vibrator element along the C axis. The vibrator element includes vibrating arms configured to flexurally vibrate along a plane parallel to the A axis and the B axis and along the A axis. The support substrate includes a base that supports the vibrator element, a support that supports the base, and a beam that couples the base and the support. A relationship f0<f1 is satisfied in which f0 is a resonance frequency of a vibration of the vibrator structure body along the B axis and f1 is a drive frequency of the vibrator element.
    Type: Application
    Filed: February 24, 2022
    Publication date: June 9, 2022
    Inventors: Ryuta NISHIZAWA, Seiichiro OGURA, Keiichi YAMAGUCHI
  • Patent number: 11340070
    Abstract: A vibrator device includes a vibrator element, and a support substrate disposed so as to be opposed to the vibrator element. The support substrate includes a base configured to support the vibrator element, a support configured to support the base, a plurality of beams configured to couple the base and the support to each other, and a drive signal interconnection, a drive constant-potential interconnection, a detection signal interconnection, and a detection constant-potential interconnection each laid around the base and the support passing the beams, and in predetermined one of the beams, at least one of the drive constant-potential interconnection and the detection constant-potential interconnection is disposed on a surface on the vibrator element side, and the detection signal interconnection is disposed on a surface on the opposite side.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: May 24, 2022
    Inventors: Ryuta Nishizawa, Keiichi Yamaguchi, Seiichiro Ogura
  • Patent number: 11326882
    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: July 29, 2020
    Date of Patent: May 10, 2022
    Inventors: Seiichiro Ogura, Keiichi Yamaguchi, Ryuta Nishizawa
  • Patent number: 11307033
    Abstract: Provided is a vibrator device including a vibrator structure body. When the A axis, the B axis, and the C axis are three axes orthogonal to each other, the vibrator structure body includes a vibrator element and a support substrate that is aligned with the vibrator element along the C axis. The vibrator element includes vibrating arms configured to flexurally vibrate along a plane parallel to the A axis and the B axis and along the A axis. The support substrate includes a base that supports the vibrator element, a support that supports the base, and a beam that couples the base and the support. A relationship f0<f1 is satisfied in which f0 is a resonance frequency of a vibration of the vibrator structure body along the B axis and f1 is a drive frequency of the vibrator element.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: April 19, 2022
    Inventors: Ryuta Nishizawa, Seiichiro Ogura, Keiichi Yamaguchi