Patents by Inventor Kensaku Isohata

Kensaku Isohata 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: 9941839
    Abstract: An electronic component includes a wiring substrate, a heating element, a first support, a second support, and a container. The heating element, the first support, and the second support are electrically connected to the wiring substrate. Each of the first support and the second support includes a protrusion portion, and the protrusion portion of the second support is shorter than the protrusion portion of the first support.
    Type: Grant
    Filed: February 1, 2017
    Date of Patent: April 10, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kensaku Isohata
  • Patent number: 9941888
    Abstract: An oscillator includes an oscillation source, multiple temperature control elements, and a controller adapted to perform control to suppress an increase in current consumed in one or more of the temperature control elements during at least part of a period from when operation of the oscillation source initiates to when the oscillation source reaches a specified temperature.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: April 10, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kensaku Isohata, Takayuki Kikuchi, Takemi Yonezawa
  • Patent number: 9893733
    Abstract: An oscillator includes: an integrated circuit including a circuit for oscillation; a resonator element; a circuit element; a heating element, and a container. The integrated circuit, the resonator element, and the heating element are arranged inside the container. The circuit element is arranged outside the container.
    Type: Grant
    Filed: September 28, 2016
    Date of Patent: February 13, 2018
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kensaku Isohata
  • Publication number: 20170149384
    Abstract: An electronic component includes a wiring substrate, a heating element, a first support, a second support, and a container. The heating element, the first support, and the second support are electrically connected to the wiring substrate. Each of the first support and the second support includes a protrusion portion, and the protrusion portion of the second support is shorter than the protrusion portion of the first support.
    Type: Application
    Filed: February 1, 2017
    Publication date: May 25, 2017
    Inventor: Kensaku ISOHATA
  • Publication number: 20170126234
    Abstract: An integrated circuit device includes a substrate, a joining part provided on the substrate and joined to a vibrator, and a plurality of bonding pads provided on the substrate. The joining part includes an insulating protective film that covers a part of a surface of the substrate, and no insulating protective film is provided between the adjacent bonding pads.
    Type: Application
    Filed: October 28, 2016
    Publication date: May 4, 2017
    Inventors: Kensaku Isohata, Takayuki Kikuchi
  • Publication number: 20170117902
    Abstract: A package includes a base member and a first projecting portion that projects from one surface of the base member. The first projecting portion contacts a first substrate on which an electronic component is mounted, and has an insulating property.
    Type: Application
    Filed: October 21, 2016
    Publication date: April 27, 2017
    Inventors: Kensaku Isohata, Takayuki Kikuchi
  • Patent number: 9595914
    Abstract: An electronic component includes a wiring substrate, a heating element, a first support, a second support, and a container. The heating element, the first support, and the second support are electrically connected to the wiring substrate. Each of the first support and the second support includes a protrusion portion, and the protrusion portion of the second support is shorter than the protrusion portion of the first support.
    Type: Grant
    Filed: January 26, 2016
    Date of Patent: March 14, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kensaku Isohata
  • Publication number: 20170040942
    Abstract: An oscillator includes an oscillation source, multiple temperature control elements, and a controller adapted to perform control to suppress an increase in current consumed in one or more of the temperature control elements during at least part of a period from when operation of the oscillation source initiates to when the oscillation source reaches a specified temperature.
    Type: Application
    Filed: July 29, 2016
    Publication date: February 9, 2017
    Inventors: Kensaku Isohata, Takayuki Kikuchi, Takemi Yonezawa
  • Publication number: 20170019110
    Abstract: An oscillator includes: an integrated circuit including a circuit for oscillation; a resonator element; a circuit element; a heating element, and a container. The integrated circuit, the resonator element, and the heating element are arranged inside the container. The circuit element is arranged outside the container.
    Type: Application
    Filed: September 28, 2016
    Publication date: January 19, 2017
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kensaku ISOHATA
  • Patent number: 9484928
    Abstract: An oscillator includes: an integrated circuit including a circuit for oscillation; a resonator element; a circuit element; a heating element, and a container. The integrated circuit, the resonator element, and the heating element are arranged inside the container. The circuit element is arranged outside the container.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: November 1, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kensaku Isohata
  • Patent number: 9467091
    Abstract: An electronic device includes a resonator provided with a heating element, and a circuit component opposed to the heating element, and provided with at least an oscillating amplifier element, and a distance between the heating element and the circuit component is in a range not smaller than 0 mm and no larger than 1.5 mm.
    Type: Grant
    Filed: December 9, 2015
    Date of Patent: October 11, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kensaku Isohata
  • Patent number: 9444466
    Abstract: A method of adjusting a frequency of a resonation device including a resonator element and a heating element includes performing the frequency adjustment of the resonator element while heating the resonator element by the heating element.
    Type: Grant
    Filed: March 16, 2015
    Date of Patent: September 13, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kensaku Isohata
  • Patent number: 9444467
    Abstract: An oscillator includes an oscillation element; an oscillation circuit which causes the oscillation element to oscillate; a heat generation element which heats the oscillation element; a temperature control circuit which controls the heat generation element; and a temperature correction circuit which corrects frequency-temperature characteristics of an output signal of the oscillation circuit.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: September 13, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kensaku Isohata, Atsushi Kiyohara
  • Patent number: 9391586
    Abstract: A quartz crystal vibrator includes a quartz crystal resonator element, a thermistor adapted to detect the temperature, and a package adapted to incorporate the quartz crystal resonator element and the thermistor, a plurality of electrode pads adapted to support the quartz crystal resonator element is disposed on an inner bottom surface of the package, to which the quartz crystal resonator element and the thermistor are installed, and a wiring pattern, which is extracted from at least one electrode pad, and has a thermal conductivity higher than a thermal conductivity of a package base of the package including the inner bottom surface, overlaps the thermistor in a plan view.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: July 12, 2016
    Assignee: Seiko Epson Corporation
    Inventor: Kensaku Isohata
  • Publication number: 20160142010
    Abstract: An electronic component includes a wiring substrate, a heating element, a first support, a second support, and a container. The heating element, the first support, and the second support are electrically connected to the wiring substrate. Each of the first support and the second support includes a protrusion portion, and the protrusion portion of the second support is shorter than the protrusion portion of the first support.
    Type: Application
    Filed: January 26, 2016
    Publication date: May 19, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kensaku ISOHATA
  • Patent number: 9344056
    Abstract: A resonator includes: a package; a support section that is provided on a surface of the package; and a vibration element in which an attachment section, which is disposed between an outer edge of a vibration substrate, in which excitation electrodes are provided on main surfaces thereof, and an outer edge of the excitation electrode, is attached to the support section through a conductive adhesive. The attachment section is disposed in a region S obtained by rotating a virtual line which connects the center of the vibration element and one end of the vibration element, in a range of ?35° to +35° of a rotation angle ? about the center, and an attachment area becomes 0.7 mm2 or more.
    Type: Grant
    Filed: November 4, 2014
    Date of Patent: May 17, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Matsutaro Naito, Manabu Kondo, Kensaku Isohata
  • Publication number: 20160112051
    Abstract: An oscillator includes an oscillation element; an oscillation circuit which causes the oscillation element to oscillate; a heat generation element which heats the oscillation element; a temperature control circuit which controls the heat generation element; and a temperature correction circuit which corrects frequency-temperature characteristics of an output signal of the oscillation circuit.
    Type: Application
    Filed: December 22, 2015
    Publication date: April 21, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventors: Kensaku Isohata, Atsushi Kiyohara
  • Publication number: 20160087581
    Abstract: An electronic device includes a resonator provided with a heating element, and a circuit component opposed to the heating element, and provided with at least an oscillating amplifier element, and a distance between the heating element and the circuit component is in a range not smaller than 0 mm and no larger than 1.5 mm.
    Type: Application
    Filed: December 9, 2015
    Publication date: March 24, 2016
    Inventor: Kensaku ISOHATA
  • Patent number: 9276555
    Abstract: An electronic component includes a wiring substrate, a heating element, a first support, a second support, and a container. The heating element, the first support, and the second support are electrically connected to the wiring substrate. The wiring substrate is disposed within the container through the first support and the second support which penetrate the container. Each of the first support and the second support includes a protrusion portion protruding outside the container, and the protrusion portion of the second support is shorter than the protrusion portion of the first support.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: March 1, 2016
    Assignee: Seiko Epson Corporation
    Inventor: Kensaku Isohata
  • Patent number: 9252783
    Abstract: An oscillator includes an oscillation element; an oscillation circuit which causes the oscillation element to oscillate; a heat generation element which heats the oscillation element; a temperature control circuit which controls the heat generation element; and a temperature correction circuit which corrects frequency-temperature characteristics of an output signal of the oscillation circuit.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: February 2, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Kensaku Isohata, Atsushi Kiyohara