Patents by Inventor Shunsuke Ninomiya

Shunsuke Ninomiya 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: 11050939
    Abstract: An image blur correction device capable of reducing its size in a direction orthogonal to an optical axis. A holding frame holding an image capture device is held movable in an X-axis direction, a Y-axis direction, and a rotational direction about an axis extending in a Z-axis direction. A first guide member, a second guide member, and a third guide member guide the holding frame in the X-axis direction, Y direction-axis, and in the rotational direction, respectively. A first vibration actuator drives the first guide member, a second vibration actuator drives the second guide member, and a third vibration actuator drives the third guide member. The third vibration actuator is arranged at a location more remote from the rotation center of the third guide member than at least one of the first and second vibration actuators, as viewed from the Z-axis direction.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: June 29, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Yusuke Sasaki, Shunsuke Ninomiya
  • Publication number: 20210124238
    Abstract: In a driving apparatus, a movable part is attached to a fixed part so that the movable part is restricted from displacing in a second axial direction and from rotating in a first rotating direction, and the movable part is allowed to move in a first axial direction, to displace in a third axial direction, and to rotate in a second rotating direction. The movable part is connected to a driven member movable in the first axial direction so that the movable part is allowed to displace in the second axial direction and to rotate in the first rotating direction, and restricted from displacing in the third axial direction and from rotating in the second rotating direction.
    Type: Application
    Filed: October 26, 2020
    Publication date: April 29, 2021
    Inventor: Shunsuke Ninomiya
  • Publication number: 20200280665
    Abstract: An image blur correction device capable of reducing its size in a direction orthogonal to an optical axis. A holding frame holding an image capture device is held movable in an X-axis direction, a Y-axis direction, and a rotational direction about an axis extending in a Z-axis direction. A first guide member, a second guide member, and a third guide member guide the holding frame in the X-axis direction, Y direction-axis, and in the rotational direction, respectively. A first vibration actuator drives the first guide member, a second vibration actuator drives the second guide member, and a third vibration actuator drives the third guide member. The third vibration actuator is arranged at a location more remote from the rotation center of the third guide member than at least one of the first and second vibration actuators, as viewed from the Z-axis direction.
    Type: Application
    Filed: February 21, 2020
    Publication date: September 3, 2020
    Inventors: Yusuke Sasaki, Shunsuke Ninomiya
  • Publication number: 20200236285
    Abstract: Provided is an image blur correction device, including a driven member configured to hold a correction target member; a plurality of actuators configured to move a driven member within a plane; a first movable member configured to guide a movement of the driven member in a first direction; a second movable member configured to guide a movement of the driven member in a second direction different from the first direction; and a fixing member configured to movably hold the driven member, the first movable member, and the second movable member, wherein the fixing member is sandwiched at least between the driven member and the first movable member or between the driven member and the second movable member.
    Type: Application
    Filed: January 16, 2020
    Publication date: July 23, 2020
    Inventors: Shinsuke Yoshida, Shunsuke Ninomiya
  • Publication number: 20190393807
    Abstract: Provided is a vibration wave motor including: a vibrator; a friction member having a sliding surface; a guide member; a flexible substrate; and a fixing member configured to fix the friction member, the guide member, and the flexible substrate, wherein the vibrator and the friction member move relative to each other in a second direction, wherein the fixing member includes a substrate-fixing portion configured to fix the flexible substrate, wherein the flexible substrate includes: a joint portion; a first extending portion extending along the second direction; a bent portion configured to reverse and turn back the first extending portion; and a fixed portion to be fixed to the substrate-fixing portion, and wherein the flexible substrate is fixed on a surface of the substrate-fixing portion provided in a direction opposite to a direction in which the vibrator is brought into pressure-contact with the friction member.
    Type: Application
    Filed: June 13, 2019
    Publication date: December 26, 2019
    Inventors: Makoto Oikawa, Ryo Yamasaki, Kazuharu Osawa, Shunsuke Ninomiya, Ryo Abe, Kenta Takai
  • Publication number: 20190363647
    Abstract: Provided is a vibration wave motor, including: a vibrator including a piezoelectric element and a vibrating plate; a friction member, which includes a friction-contact surface to be brought into contact with the vibrator, and is configured to perform relative movement with respect to the vibrator by vibration generated by the vibrator; and a guide mechanism, which includes a first guide member, a second guide member, and a rolling member arranged between the first guide member and the second guide member, and is configured to guide the relative movement, wherein the first guide member includes a groove portion formed of a first surface and a second surface to be brought into contact with the rolling member, and wherein the first surface is longer than the second surface in a direction of the relative movement.
    Type: Application
    Filed: May 21, 2019
    Publication date: November 28, 2019
    Inventors: Kenta Takai, Ryo Yamasaki, Makoto Oikawa, Kazuharu Osawa, Shunsuke Ninomiya, Ryo Abe
  • Publication number: 20190348928
    Abstract: A driving device includes a vibrator; a friction member; a first guide portion that guides the vibrator or the friction member in a first direction when the vibrator vibrates so that the vibrator and the friction member move relative to each other, the first guide portion enabling rotation of the vibrator and the friction member around an axis in the first direction; a moving member that moves when the vibrator and the friction member move relative to each other, the moving member being connected to the member to be driven; and a second guide portion that guides the member to be driven in a second direction when the moving member moves. The moving member is connected to the member to be driven such that the moving member is rotatable and movable in a direction orthogonal to the first direction with respect to the member to be driven.
    Type: Application
    Filed: July 24, 2019
    Publication date: November 14, 2019
    Inventors: Yasufumi Yamamoto, Ryo Yamasaki, Shunsuke Ninomiya, Mai Nakabayashi
  • Publication number: 20190341863
    Abstract: Provided is a vibration wave motor including: a first holding member; a second holding member; a first regulating region; and a second regulating region, wherein a position of a first contact region of the first holding member, which comes into contact with the first regulating region, is different from a position of a second contact region of the second holding member, which comes into contact with the second regulating region, and wherein a position of the first regulating region is different from a position of the second regulating region in the relative movement direction so that, in the relative movement direction, a difference between a distance from the first contact region to the first regulating region and a distance from the second contact region to the second regulating region is smaller than a difference between the position of the first contact region and the position of the second contact region.
    Type: Application
    Filed: April 25, 2019
    Publication date: November 7, 2019
    Inventors: Shunsuke Ninomiya, Ryo Yamasaki, Makoto Oikawa, Kazuharu Osawa, Ryo Abe, Kenta Takai
  • Publication number: 20190267914
    Abstract: Provided is a vibration wave motor including: a vibrator; a friction member that comes into frictional contact with the vibrator; a press member that pressurizes the vibrator and the friction member into frictional contact with each other; a first guide member and a second guide member that guide the vibrator and the friction member so as to allow relative movement of the vibrator and the friction member; a hold member that holds the friction member and the first guide member; and a fixing member. The friction member and the first guide member are fixed to the hold member with the fixing member.
    Type: Application
    Filed: February 20, 2019
    Publication date: August 29, 2019
    Inventors: Ryo Abe, Ryo Yamasaki, Makoto Oikawa, Kazuharu Osawa, Shunsuke Ninomiya, Kenta Takai
  • Publication number: 20190253001
    Abstract: Provided is a vibration wave motor, including: a vibrator; a friction member, which is in friction contact with the vibrator; a pressurizing unit, which is configured to pressurize the vibrator against the friction member; and a guiding unit, which is configured to guide relative movement between the vibrator and the friction member, wherein the relative movement between the vibrator and the friction member is caused by vibration generated by the vibrator, and wherein the guiding unit holds the friction member and has fixing portions, and the fixing portions are formed in the guiding unit in vicinities of both ends of the guiding unit sandwiching the friction member.
    Type: Application
    Filed: February 13, 2019
    Publication date: August 15, 2019
    Inventors: Ryo Yamasaki, Makoto Oikawa, Kazuharu Osawa, Shunsuke Ninomiya, Ryo Abe, Kenta Takai
  • Patent number: 10379313
    Abstract: A vibration wave motor includes a vibrator, a pressing member configured to press the vibrator against a friction member, a holding member configured to hold the vibrator, and a buffering member provided between the vibrator and the holding member. The vibrator and the friction member are moved relatively to each other in a relative movement direction by vibration of the vibrator, and the holding member holds the vibrator in such a manner that an extending part extending in a pressing direction of the pressing member sandwiches the vibrator and the buffering member.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: August 13, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shunsuke Ninomiya
  • Publication number: 20190245460
    Abstract: A vibration wave motor including: a vibrator; a friction member; and a pressurizing member configured to press the vibrator and the friction member into contact with each other. The vibrator and the friction member are relatively moved in a direction orthogonal to the pressurizing direction of the pressurizing member by vibrations generated on the vibrator, the vibrator and the friction member are configured so as to move in parallel with the pressurizing direction with respect to a fixed member, and the vibration wave motor further includes at least one first restricting portion that restricts a movable amount of the friction member in the pressurizing direction and at least one second restricting portion that restricts a movable amount of the vibrator in the pressurizing direction, such that the movable amount of the friction member is smaller than the movable amount of the vibrator in the pressurizing direction.
    Type: Application
    Filed: February 6, 2019
    Publication date: August 8, 2019
    Inventors: Ryo Yamasaki, Yasufumi Yamamoto, Shunsuke Ninomiya, Mai Nakabayashi
  • Publication number: 20190181777
    Abstract: A vibration wave motor including: a vibrator; a first holding member configured to hold the vibrator; a second holding member; an elastic coupling member configured to couple the first holding member and the second holding member to each other; a friction member; and a pressurizing unit, wherein the vibrator and the friction member relatively move due to vibration of the vibrator, wherein the elastic coupling member includes a first coupling portion and a second coupling portion, and wherein one of the first coupling portion and the second coupling portion is arranged on a straight line that is parallel to a direction of the relative movement and passes through a pressurizing gravity center and another of the first coupling portion and the second coupling portion is arranged on a straight line that is orthogonal to the direction of the relative movement and passes through the pressurizing gravity center.
    Type: Application
    Filed: December 7, 2018
    Publication date: June 13, 2019
    Inventors: Mai Nakabayashi, Ryo Yamasaki, Yasufumi Yamamoto, Shunsuke Ninomiya
  • Publication number: 20190173397
    Abstract: Included are a vibrator including a protruding portion that performs high frequency vibration; a friction member, the vibrator being pressed to cause the protruding portion to abut to the friction member; a fixing member to which either the vibrator or the friction member; a movable member that moves integratedly with either the vibrator or the friction member; a plurality of rotating members enabling relative movement between the friction member and the movable member; and a falling off restriction portion that prevents the rotating members provided in either the fixing member or the movable member from falling off, wherein the falling off restriction portion abuts to an opposed portion opposed to the falling off restriction portion to restrict a movable range of the movable member in a pressing direction and to prevent the rotating members from falling off.
    Type: Application
    Filed: February 8, 2019
    Publication date: June 6, 2019
    Inventor: Shunsuke Ninomiya
  • Publication number: 20190165697
    Abstract: A vibration type motor includes first and second vibrators, a friction member configured to contact the first and second vibrators, a pressure member configured to press the first and second vibrators against the friction member, and first and second guide members configured to guide a relative movement between the first and second vibrators and the friction member. The first and second vibrators are spaced in a direction different from a relative movement direction between the first and second vibrators and the friction member. The first and the second guide member are provided between the first vibrator and the second vibrator in a direction different from the relative movement direction. A pressure center of a pressure applied to the first vibrator and the second vibrator by the pressure member is located between the first guide member and the second guide member.
    Type: Application
    Filed: November 21, 2018
    Publication date: May 30, 2019
    Inventors: Shunsuke Ninomiya, Ryo Yamasaki, Yasufumi Yamamoto, Mai Nakabayashi
  • Patent number: 10243486
    Abstract: Included are a vibrator including a protruding portion that performs high frequency vibration; a friction member, the vibrator being pressed to cause the protruding portion to abut to the friction member; a fixing member to which either the vibrator or the friction member; a movable member that moves integratedly with either the vibrator or the friction member; a plurality of rotating members enabling relative movement between the friction member and the movable member; and a falling off restriction portion that prevents the rotating members provided in either the fixing member or the movable member from falling off, wherein the falling off restriction portion abuts to an opposed portion opposed to the falling off restriction portion to restrict a movable range of the movable member in a pressing direction and to prevent the rotating members from falling off.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: March 26, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shunsuke Ninomiya
  • Patent number: 10230312
    Abstract: A vibration wave motor includes a vibration plate having a flat plate portion and protruding portions, a piezoelectric element that performs high-frequency vibration, a friction member contacting the protruding portions, and a first natural vibration mode and a second natural vibration mode, which are excited in the vibration plate by the high-frequency vibration, the vibration plate and the friction member moving relatively to each other, maximum amplitude generated on tip ends of the protruding portions by the first natural vibration mode is larger than maximum amplitude generated on tip ends of the protruding portions by the second natural vibration mode, a resonance frequency of the first natural vibration mode is lower than a resonance frequency of the second natural vibration mode, and amplitudes of the first natural vibration mode and the second natural vibration mode in a frequency range at a time of drive substantially coincide with each other.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: March 12, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shunsuke Ninomiya
  • Publication number: 20190052194
    Abstract: Provided is a vibration wave motor, including: a vibration body; a friction member; a press member configured to pressurize the vibration body against the friction member; a base member configured to fix the friction member; and a damping member configured to damp vibration, wherein the vibration body and the friction member are configured to move relative to each other, wherein the friction member includes: a first surface having a first region held in abutment against the vibration body; and a second surface, which is a back surface of the first surface, and has a second region held in abutment against the base member, wherein at least one of the first surface and the second surface has a third region held in contact with the damping member, and wherein positions of the first region and the third region in a pressurizing direction of the press member are different from each other.
    Type: Application
    Filed: August 10, 2018
    Publication date: February 14, 2019
    Inventors: Shunsuke Ninomiya, Mai Nakabayashi
  • Patent number: 10171008
    Abstract: A vibration wave motor includes a vibrating plate having a rectangular surface; a piezoelectric device bonded to the vibrating plate, and configured to vibrate at high frequency; and a projection provided on the vibrating plate or the piezoelectric device. In the vibration wave motor, a natural vibration mode, which has a resonant frequency equal to or adjacent to a resonant frequency of torsional vibration in a natural vibration mode under a state in which the vibrating plate, the piezoelectric device, and the projection are integrated, is a natural vibration mode of bending vibration in a direction parallel to or orthogonal to a torsion center axis of the torsional vibration in the natural vibration mode. The projection is provided at a position closer to an antinode than to a node, which are in the direction orthogonal to the torsion center axis of the torsional vibration in the natural vibration mode.
    Type: Grant
    Filed: October 15, 2015
    Date of Patent: January 1, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hitoshi Nishitani, Shunsuke Ninomiya
  • Patent number: 10103650
    Abstract: In a piezoelectric driving device, a load due to flection deformation of a flexible substrate can be prevented from being applied to a piezoelectric element and decrease in driving efficiency of the driving device can be prevented. The flexible substrate of the driving device includes a first fixing portion fixed to the piezoelectric element, a second fixing portion fixed to a holding member, and a bending portion in which the flection deformation is formed with movement of a vibrating plate. The second fixing portion is provided between the first fixing portion and the bending portion along the flexible substrate.
    Type: Grant
    Filed: November 10, 2015
    Date of Patent: October 16, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventor: Shunsuke Ninomiya