Patents by Inventor Hiroichi Ishikawa

Hiroichi Ishikawa 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: 11684752
    Abstract: An actuator is provided with a tubular actuator element and a supporting body which supports an inner peripheral surface of the actuator element. An internal pressure of the actuator element is higher than an external pressure of the actuator element.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: June 27, 2023
    Assignee: Sony Corporation
    Inventors: Akihiro Nakata, Satoshi Nakamaru, Hiroichi Ishikawa, Kazuhito Wakana, Yoshio Goto
  • Patent number: 11444555
    Abstract: An actuator includes a stack including: an elastomer layer; and an elastic electrode disposed on each surface of the elastomer layer, in which the stack is subjected to a pre-strain of 50% or more at least in one direction. The stack may have a round tubular shape with the elastic electrodes disposed on opposite surfaces of the elastomer layer in a radial direction of the stack.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: September 13, 2022
    Assignee: Sony Corporation
    Inventors: Satoshi Nakamaru, Hiroichi Ishikawa, Kentarou Sakai, Akihiro Nakata, Kazuhito Wakana, Yoshio Goto
  • Patent number: 11433425
    Abstract: An actuator includes a laminate including an elastomer layer and an electrode, in which the laminate has a spiral or concentric shape, pre-distortion is applied to at least one member out of the elastomer layer and the electrode, and area distortion of the at least one member is 10% or larger.
    Type: Grant
    Filed: May 2, 2018
    Date of Patent: September 6, 2022
    Assignee: Sony Corporation
    Inventors: Akihiro Nakata, Satoshi Nakamaru, Yoshio Goto, Hiroichi Ishikawa, Kentarou Sakai, Kazuhito Wakana
  • Publication number: 20210146401
    Abstract: An actuator includes a laminate including an elastomer layer and an electrode, in which the laminate has a spiral or concentric shape, pre-distortion is applied to at least one member out of the elastomer layer and the electrode, and area distortion of the at least one member is 10% or larger.
    Type: Application
    Filed: May 2, 2018
    Publication date: May 20, 2021
    Inventors: Akihiro NAKATA, Satoshi NAKAMARU, Yoshio GOTO, Hiroichi ISHIKAWA, Kentarou SAKAI, Kazuhito WAKANA
  • Publication number: 20200161989
    Abstract: Provided is an actuator including: a stack including: an elastomer layer; and an elastic electrode disposed on each surface of the elastomer layer, in which the stack is subjected to a pre-strain of 50% or more at least in one direction.
    Type: Application
    Filed: December 29, 2017
    Publication date: May 21, 2020
    Applicant: Sony Corporation
    Inventors: Satoshi Nakamaru, Hiroichi Ishikawa, Kentarou Sakai, Akihiro Nakata, Kazuhiro Wakana, Yoshio Goto
  • Publication number: 20200161532
    Abstract: A transducer device using an electroactive polymer is provided. The transducer device has a predetermined driving direction and includes: a laminate of elastomer actuators that is disposed so as to be inclined at a predetermined angle with respect to the driving direction and has a stretchable elastomer and a following electrode; and a fixed frame unit and a drive frame unit that support the laminate. The fixed frame unit supports one end of the laminate, and the drive frame unit supports the other end of the laminate, faces the fixed frame unit, and is movable in the driving direction with respect to the fixed frame unit.
    Type: Application
    Filed: May 17, 2018
    Publication date: May 21, 2020
    Inventors: KAZUHITO WAKANA, SATOSHI NAKAMARU, AKIHIRO NAKATA, HIROICHI ISHIKAWA, TOMOMI YUKUMOTO
  • Publication number: 20190192821
    Abstract: An actuator is provided with a tubular actuator element and a supporting body which supports an inner peripheral surface of the actuator element. An internal pressure of the actuator element is higher than an external pressure of the actuator element.
    Type: Application
    Filed: August 3, 2017
    Publication date: June 27, 2019
    Applicant: SONY CORPORATION
    Inventors: Akihiro NAKATA, Satoshi NAKAMARU, Hiroichi ISHIKAWA, Kazuhito WAKANA, Yoshio GOTO
  • Patent number: 9761802
    Abstract: An evaporation mask includes: a mask body including a pattern region configured of a plurality of passage holes; and an adjusting frame configured to hold the mask body and having a mechanism capable of adjusting positions of the passage holes on the mask body. The adjusting frame has a frame-like base material, and a movable member that is provided along one or more sides of the base material to be bonded with an outer edge of the mask body, and at least a part of which is deformable on the base material. One or a plurality of slits are provided at a selective region of the movable member.
    Type: Grant
    Filed: August 7, 2014
    Date of Patent: September 12, 2017
    Assignee: Sony Corporation
    Inventors: Kentaro Kuriyama, Hiroichi Ishikawa, Tomohiro Kubo
  • Publication number: 20150050767
    Abstract: An evaporation mask includes: a mask body including a pattern region configured of a plurality of passage holes; and an adjusting frame configured to hold the mask body and having a mechanism capable of adjusting positions of the passage holes on the mask body. The adjusting frame has a frame-like base material, and a movable member that is provided along one or more sides of the base material to be bonded with an outer edge of the mask body, and at least a part of which is deformable on the base material. One or a plurality of slits are provided at a selective region of the movable member.
    Type: Application
    Filed: August 7, 2014
    Publication date: February 19, 2015
    Applicant: Sony Corporation
    Inventors: Kentaro Kuriyama, Hiroichi Ishikawa, Tomohiro Kubo
  • Patent number: 8325477
    Abstract: Provided is a vibrating device which can generate efficient vibrations in a vibrating member and efficiently apply vibrations to a gas, a jet flow generating device in which the vibrating device has been implemented, and an electronic device in which the jet flow generating device has been implemented. A jet flow generating device 10 has a vibrating device 15 including a frame 4, and actuator 5 mounted on the frame 4, and a vibrating member 3 supported on the frame 4 by an elastic supporting member 6. The vibrating member 3 has a side plate 3b formed on the perimeter portion of a disc-shaped vibrating plate 3a, for example. Vibration of the vibrating member 3 applies vibrations to air within chambers 11a and 11b, whereby gas can alternatingly be blown from nozzles 2a and 2b.
    Type: Grant
    Filed: February 27, 2006
    Date of Patent: December 4, 2012
    Assignee: Sony Corporation
    Inventors: Hiroichi Ishikawa, Norikazu Nakayama, Takuya Makino, Tomoharu Mukasa, Hiroyuki Ryoson
  • Publication number: 20120140414
    Abstract: Provided is a vibrating device which can generate efficient vibrations in a vibrating member and efficiently apply vibrations to a gas, a jet flow generating device in which the vibrating device has been implemented, and an electronic device in which the jet flow generating device has been implemented. A jet flow generating device 10 has a vibrating device 15 including a frame 4, and actuator 5 mounted on the frame 4, and a vibrating member 3 supported on the frame 4 by an elastic supporting member 6. The vibrating member 3 has a side plate 3b formed on the perimeter portion of a disc-shaped vibrating plate 3a, for example. Vibration of the vibrating member 3 applies vibrations to air within chambers 11a and 11b, whereby gas can alternatingly be blown from nozzles 2a and 2b.
    Type: Application
    Filed: February 8, 2012
    Publication date: June 7, 2012
    Applicant: SONY CORPORATION
    Inventors: Hiroichi Ishikawa, Norikazu Nakayama, Takuya Makino, Tomoharu Mukasa, Hiroyuki Ryoson
  • Patent number: 8081454
    Abstract: A gas ejector capable of effectively dissipating heat generated from a heater while inhibiting noise generation as little as possible, an electronic device equipped with the gas ejector, and a gas-ejecting method are offered. A gas ejector (1) according to the present invention includes a vibrator (25) and ejects gas in a form of a pulsating flow such that vibration of the vibrator allows sound waves respectively generated upon ejection of the gas ejected from nozzles (23) and (24) to deaden out each other. Also, a control section (20) optimizes the frequency of the vibrator (25), hence, by increasing the gas ejection quantity as much as possible while inhibiting noise generation, heat of a heater is effectively dissipated.
    Type: Grant
    Filed: February 2, 2005
    Date of Patent: December 20, 2011
    Assignee: Sony Corporation
    Inventors: Hiroichi Ishikawa, Tomoharu Mukasa
  • Patent number: 8033324
    Abstract: A jet flow generating apparatus that suppresses noise as much as possible and effectively radiates the heat generated by a heat generating member, an electronic device that is equipped with the jet flow generating apparatus, and a jet flow generating method are provided. According to the present invention, a jet flow generating apparatus comprises a plurality of chambers each having an opening and each containing a coolant, a vibrating mechanism for vibrating the coolant contained in each of the plurality of chambers so as to discharge the coolant as a pulsating flow through the openings, and a control unit for controlling the vibration of the vibrating mechanism so that the sound waves generated by the coolant discharged from the plurality of chambers weaken each other.
    Type: Grant
    Filed: November 3, 2004
    Date of Patent: October 11, 2011
    Assignee: Sony Corporation
    Inventors: Tomoharu Mukasa, Kazuhito Hori, Hiroichi Ishikawa, Kanji Yokomizo, Norikazu Nakayama
  • Patent number: 7793709
    Abstract: A jet generating device includes a vibrating member which vibrates gas, a driving unit which drives the vibrating member, and a housing which has a first opening and a first chamber connected to the first opening and containing the gas. The housing supports the vibrating member, and is such that, of sounds generated as a result of vibrating the vibrating member, the sound having a maximum noise level has a predetermined frequency. In addition, the housing discharges the gas as pulsating gas through the first opening as a result of driving the vibrating member.
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: September 14, 2010
    Assignee: Sony Corporation
    Inventors: Tomoharu Mukasa, Kazuhito Hori, Hiroichi Ishikawa, Kanji Yokomizo, Takuya Makino, Norikazu Nakayama
  • Publication number: 20090262500
    Abstract: There are provided a cooling device and a heat sink that can effectively radiate heat generated by a heat source while reducing the volume of discharged gas to avoid noise, and an electronic apparatus in which the cooling device and the heat sink are mounted. A heat sink 3 includes cutouts 24a and 24b through which air serving as gas can be taken in from the outside and which are provided on a side where air discharged from first and second nozzles 6 and 7 serving as openings of a jet generating mechanism 2 is received. Therefore, the pressure near the cutouts is decreased by air flow discharged from the first and second nozzles 6 and 7, and outside air is taken in through the cutouts 24a and 24b. Consequently, more gas than gas discharged from the first and second nozzles 6 and 7 is discharged from an outlet of the heat sink. This can minimize the volume of jetted gas to avoid noise, and effectively radiate heat generated by a heat source.
    Type: Application
    Filed: April 4, 2006
    Publication date: October 22, 2009
    Applicant: SONY CORPORATION
    Inventors: Takuya Makino, Hiroshi Takino, Kazuhito Hori, Hiroichi Ishikawa
  • Publication number: 20090219686
    Abstract: A gas ejector capable of effectively dissipating heat generated from a heater while inhibiting noise generation as little as possible, an electronic device equipped with the gas ejector, and a gas-ejecting method are offered. A gas ejector (1) according to the present invention includes a vibrator (25) and ejects gas in a form of a pulsating flow such that vibration of the vibrator allows sound waves respectively generated upon ejection of the gas ejected from nozzles (23) and (24) to deaden out each other. Also, a control section (20) optimizes the frequency of the vibrator (25), hence, by increasing the gas ejection quantity as much as possible while inhibiting noise generation, heat of a heater is effectively dissipated.
    Type: Application
    Filed: February 2, 2005
    Publication date: September 3, 2009
    Inventors: Hiroichi Ishikawa, Tomoharu Mukasa
  • Publication number: 20090086416
    Abstract: Provided is a vibrating device which can generate efficient vibrations in a vibrating member and efficiently apply vibrations to a gas, a jet flow generating device in which the vibrating device has been implemented, and an electronic device in which the jet flow generating device has been implemented. A jet flow generating device 10 has a vibrating device 15 including a frame 4, and actuator 5 mounted on the frame 4, and a vibrating member 3 supported on the frame 4 by an elastic supporting member 6. The vibrating member 3 has a side plate 3b formed on the perimeter portion of a disc-shaped vibrating plate 3a, for example. Vibration of the vibrating member 3 applies vibrations to air within chambers 11a and 11b, whereby gas can alternatingly be blown from nozzles 2a and 2b.
    Type: Application
    Filed: February 27, 2006
    Publication date: April 2, 2009
    Applicant: SONY CORPORATION
    Inventors: Hiroichi Ishikawa, Norikazu Nakayama, Takuya Makino, Tomoharu Mukasa, Hiroyuki Ryoson
  • Publication number: 20060281398
    Abstract: A jet generator includes a casing containing a gas and having an opening, vibrators attached to the casing, and actuators for actuating the vibrators. The vibrators vibrate with the vibrational forces thereof being synthesized so as to attenuate each other, thereby vibrating the gas to eject a pulsating jet thereof through the opening.
    Type: Application
    Filed: May 1, 2006
    Publication date: December 14, 2006
    Inventors: Kanji Yokomizo, Hiroichi Ishikawa, Takuya Makino, Norikazu Nakayama, Tomoharu Mukasa
  • Publication number: 20060245614
    Abstract: A vibrating device configured to vibrate a gas inside a chassis to discharge the gas in a pulsating flow through an opening formed in the chassis includes a frame, a vibrating plate, a supporting member that is attached to the frame and that is configured to support the vibrating plate in a manner such that the vibrating plate is vibratable, and a driving mechanism that is configured to drive the vibrating plate and that includes a magnetic circuit member attached to the frame and a voice coil body attached to the vibrating plate. The voice coil body is configured to prevent the voice coil body from contacting the magnetic circuit member when the vibrating plate is vibrating and is movable by means of a magnetic field generated by the magnetic circuit member.
    Type: Application
    Filed: April 26, 2006
    Publication date: November 2, 2006
    Inventor: Hiroichi Ishikawa
  • Publication number: 20060237171
    Abstract: A jet generating device includes a vibrating member which vibrates gas, a driving unit which drives the vibrating member, and a housing which has a first opening and a first chamber connected to the first opening and containing the gas. The housing supports the vibrating member, and is such that, of sounds generated as a result of vibrating the vibrating member, the sound having a maximum noise level has a predetermined frequency. In addition, the housing discharges the gas as pulsating gas through the first opening as a result of driving the vibrating member.
    Type: Application
    Filed: April 20, 2006
    Publication date: October 26, 2006
    Inventors: Tomoharu Mukasa, Kazuhito Hori, Hiroichi Ishikawa, Kanji Yokomizo, Takuya Makino, Norikazu Nakayama