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: 8253505
    Abstract: A vibrating device includes: a package having an internal space; and a vibrating reed housed in the internal space of the package, wherein the package has a porous portion formed of a communication hole communicating between the internal space and the outside and a porous body buried in the communication hole, and a metal film closing the internal space is arranged on the outside side of the porous portion.
    Type: Grant
    Filed: November 26, 2010
    Date of Patent: August 28, 2012
    Assignee: Seiko Epson Corporation
    Inventors: Seiichiro Ogura, Takayuki Kikuchi
  • Publication number: 20120126664
    Abstract: A vibration gyro device has a base part and a pair of drive vibrating arms and a pair of detection vibrating arms respectively extended from both ends in a Y-axis direction of the base part. Further, adjustment vibrating arms extended from respective ends of connecting parts respectively extended from both ends in an X-axis direction of the base part in parallel to the drive vibrating arms are provided. At the end sides of the respective adjustment vibrating arms, spindle parts as wider parts are provided. On principal surfaces of the respective adjustment vibrating arms, adjustment electrodes as membranes for adjustment of leakage output of the vibration gyro device are provided.
    Type: Application
    Filed: November 17, 2011
    Publication date: May 24, 2012
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Seiichiro OGURA, Takayuki KIKUCHI
  • Publication number: 20110133847
    Abstract: A vibrating device includes: a package having an internal space; and a vibrating reed housed in the internal space of the package, wherein the package has a porous portion formed of a communication hole communicating between the internal space and the outside and a porous body buried in the communication hole, and a metal film closing the internal space is arranged on the outside side of the porous portion.
    Type: Application
    Filed: November 26, 2010
    Publication date: June 9, 2011
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Seiichiro OGURA, Takayuki KIKUCHI
  • Patent number: 7412885
    Abstract: A vibrating gyro element includes in the same plane a base portion; a pair of vibrating arms for detection extended out of the base portion on both sides in a straight line shape; a pair of connecting arms extended-out from the base portion onto both sides in directions perpendicular to the vibrating arms for detection; a pair of vibrating arms for driving each extended-out from the tip portion of each of the connecting arms to both sides perpendicularly to this tip portion; two pairs of beams extended out of the base portion along the respective arms for detection; and a pair of support portions to which the respective beams extended out in the same direction are connected; wherein the support portion is arranged outside the vibrating arm for detection between the vibrating arms for driving in the extending-out direction of each of the vibrating arms for detection.
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: August 19, 2008
    Assignee: Seiko Epson Corporation
    Inventor: Seiichiro Ogura
  • Patent number: 7348716
    Abstract: A piezoelectric gyro element including: a piezoelectric vibration body, which has a shape of a rectangular column with a rectangular section, the piezoelectric vibration body being fixed on one end; first driving electrodes formed on opposing first side faces of the piezoelectric vibration body; second and third driving electrodes formed separated from each other in the width direction of opposing second side faces of the piezoelectric vibration body; first detecting electrodes formed on the opposing first side faces of the piezoelectric vibration body; and second detecting electrodes formed on the opposing second side faces of the piezoelectric vibration body; wherein the piezoelectric vibration body is made to oscillate so that one end thereof rotates in a circular path, by applying driving currents with phase differentials to each of the driving electrodes; and a bend of the piezoelectric vibration body, the bend being generated by a torque operating orthogonally to a rotational central axis of the oscilla
    Type: Grant
    Filed: December 6, 2005
    Date of Patent: March 25, 2008
    Assignee: Seiko Epson Corporation
    Inventors: Seiichiro Ogura, Yoshihiro Kobayashi
  • Patent number: 7255005
    Abstract: A piezoelectric vibrating gyro element is constructed by crystal and includes at least in the same plane a base portion; a pair of vibrating arms for detection extended out from the base portion to both sides in a straight line shape, and having groove portions; a weight portion connected to the tip of each of the vibrating arms for detection; a pair of connecting arms extended out from the base portion to both the sides in directions perpendicular to the vibrating arms for detection; pairs of vibrating arms for driving each extended out from the tip portion of each of the connecting arms to both the sides perpendicularly to this tip portion, and having groove portions; and a weight portion connected to the tip of each of the vibrating arms for driving; wherein, when the vibrating arm for driving is set to Ld in length and Wd in width, and the vibrating arm for detection is set to Lp in length and Wp in width, and the connecting arm is set to Lc in length and Wc in width, the piezoelectric vibrating gyro elem
    Type: Grant
    Filed: January 11, 2006
    Date of Patent: August 14, 2007
    Assignee: Seiko Epson Corporation
    Inventor: Seiichiro Ogura
  • Patent number: 7210350
    Abstract: A vibrating gyro element includes in the same plane a base portion; a pair of vibrating arms for detection extended out of the base portion on both sides in a straight line shape; a pair of connecting arms extended-out from the base portion onto both sides in directions perpendicular to the vibrating arms for detection; a pair of vibrating arms for driving each extended-out from the tip portion of each of the connecting arms to both sides perpendicularly to this tip portion; four beams extended out of the base portion; and a support portion connected to the tip of each of the beams; wherein each of the beams is once extended out of the base portion in a direction approximately perpendicular to the extending-out direction of the vibrating arm for driving.
    Type: Grant
    Filed: January 10, 2006
    Date of Patent: May 1, 2007
    Assignee: Seiko Epson Corporation
    Inventor: Seiichiro Ogura
  • Publication number: 20060226741
    Abstract: A piezoelectric gyro element including: a piezoelectric vibration body, which has a shape of a rectangular column with a rectangular section, the piezoelectric vibration body being fixed on one end; first driving electrodes formed on opposing first side faces of the piezoelectric vibration body; second and third driving electrodes formed separated from each other in the width direction of opposing second side faces of the piezoelectric vibration body; first detecting electrodes formed on the opposing first side faces of the piezoelectric vibration body; and second detecting electrodes formed on the opposing second side faces of the piezoelectric vibration body; wherein the piezoelectric vibration body is made to oscillate so that one end thereof rotates in a circular path, by applying driving currents with phase differentials to each of the driving electrodes; and a bend of the piezoelectric vibration body, the bend being generated by a torque operating orthogonally to a rotational central axis of the oscilla
    Type: Application
    Filed: December 6, 2005
    Publication date: October 12, 2006
    Inventors: Seiichiro Ogura, Yoshihiro Kobayashi
  • Publication number: 20060162446
    Abstract: A piezoelectric vibrating gyro element is constructed by crystal and includes at least in the same plane a base portion; a pair of vibrating arms for detection extended out from the base portion to both sides in a straight line shape, and having groove portions; a weight portion connected to the tip of each of the vibrating arms for detection; a pair of connecting arms extended out from the base portion to both the sides in directions perpendicular to the vibrating arms for detection; pairs of vibrating arms for driving each extended out from the tip portion of each of the connecting arms to both the sides perpendicularly to this tip portion, and having groove portions; and a weight portion connected to the tip of each of the vibrating arms for driving; wherein, when the vibrating arm for driving is set to Ld in length and Wd in width, and the vibrating arm for detection is set to Lp in length and Wp in width, and the connecting arm is set to Lc in length and Wc in width, the piezoelectric vibrating gyro elem
    Type: Application
    Filed: January 11, 2006
    Publication date: July 27, 2006
    Inventor: Seiichiro Ogura
  • Publication number: 20060162447
    Abstract: A piezoelectric vibration gyro element formed by etching from a quartz substrate of a Z-plate, includes: a base portion, a pair of vibration arms for detection extending from the base portion toward both sides thereof in the direction of Y-axis, a pair of coupling arms extending from the base portion toward both sides thereof in the direction of X-axis, pairs of vibration arms for driving extending from the end portions of the coupling arms toward both sides thereof in the direction of Y-axis, four beams extending from the base portion, and support portions connected to the ends of the beams, which are all arranged on an XY plane; wherein the beams are extending in the directions of about 30° or about 60° with the X-axis as a reference.
    Type: Application
    Filed: January 11, 2006
    Publication date: July 27, 2006
    Inventor: Seiichiro Ogura
  • Publication number: 20060107739
    Abstract: A vibrating gyro element includes in the same plane a base portion; a pair of vibrating arms for detection extended out of the base portion on both sides in a straight line shape; a pair of connecting arms extended-out from the base portion onto both sides in directions perpendicular to the vibrating arms for detection; a pair of vibrating arms for driving each extended-out from the tip portion of each of the connecting arms to both sides perpendicularly to this tip portion; two pairs of beams extended out of the base portion along the respective arms for detection; and a pair of support portions to which the respective beams extended out in the same direction are connected; wherein the support portion is arranged outside the vibrating arm for detection between the vibrating arms for driving in the extending-out direction of each of the vibrating arms for detection.
    Type: Application
    Filed: January 10, 2006
    Publication date: May 25, 2006
    Inventor: Seiichiro Ogura
  • Publication number: 20060107740
    Abstract: A vibrating gyro element includes in the same plane a base portion; a pair of vibrating arms for detection extended out of the base portion on both sides in a straight line shape; a pair of connecting arms extended-out from the base portion onto both sides in directions perpendicular to the vibrating arms for detection; a pair of vibrating arms for driving each extended-out from the tip portion of each of the connecting arms to both sides perpendicularly to this tip portion; four beams extended out of the base portion; and a support portion connected to the tip of each of the beams; wherein each of the beams is once extended out of the base portion in a direction approximately perpendicular to the extending-out direction of the vibrating arm for driving.
    Type: Application
    Filed: January 10, 2006
    Publication date: May 25, 2006
    Inventor: Seiichiro Ogura
  • Patent number: 7015631
    Abstract: Aspects of the invention can provide a tuning-fork type piezo-oscillator piece, whose package, in which the tuning-fork type piezo-oscillator piece is mounted, is protected from colliding with oscillating arms even though a physical shock is given onto the tuning-fork type piezo-oscillator piece, and a mounting method thereof. The tuning-fork type piezo-oscillator piece can include a tuning-fork type piezo-oscillator piece main body equipped with a plurality of oscillating arms, a short side part formed along a direction perpendicular to the longitudinal direction of the tuning-fork type piezo-oscillator piece main body and connected to the tuning-fork type piezo-oscillator piece main body, and a long side part formed along the longitudinal direction of the tuning-fork type piezo-oscillator piece main body, while starting from the short side part, and equipped with a shock-absorbing part.
    Type: Grant
    Filed: August 12, 2004
    Date of Patent: March 21, 2006
    Assignee: Seiko Epson Corporation
    Inventors: Kazuya Hirasawa, Seiichiro Ogura
  • Publication number: 20050062368
    Abstract: Aspects of the invention can provide a tuning-fork type piezo-oscillator piece, whose package, in which the tuning-fork type piezo-oscillator piece is mounted, is protected from colliding with oscillating arms even though a physical shock is given onto the tuning-fork type piezo-oscillator piece, and a mounting method thereof. The tuning-fork type piezo-oscillator piece can include a tuning-fork type piezo-oscillator piece main body equipped with a plurality of oscillating arms, a short side part formed along a direction perpendicular to the longitudinal direction of the tuning-fork type piezo-oscillator piece main body and connected to the tuning-fork type piezo-oscillator piece main body, and a long side part formed along the longitudinal direction of the tuning-fork type piezo-oscillator piece main body, while starting from the short side part, and equipped with a shock-absorbing part.
    Type: Application
    Filed: August 12, 2004
    Publication date: March 24, 2005
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kazuya Hirasawa, Seiichiro Ogura
  • Patent number: D516500
    Type: Grant
    Filed: January 14, 2004
    Date of Patent: March 7, 2006
    Assignee: Seiko Epson Corporation
    Inventor: Seiichiro Ogura
  • Patent number: D520940
    Type: Grant
    Filed: January 14, 2004
    Date of Patent: May 16, 2006
    Assignee: Seiko Epson Corporation
    Inventor: Seiichiro Ogura