Patents by Inventor Kazuyoshi Kegasawa

Kazuyoshi Kegasawa 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).

  • Publication number: 20230249478
    Abstract: A dielectric heating device includes: an electrode unit including a first electrode and a second electrode that face a to-be-heated object, and configured to heat the to-be-heated object; a voltage application unit configured to apply an alternating-current voltage to the first electrode and the second electrode; a current value detection unit configured to detect a current value of an alternating current that flows through the electrode unit; a phase difference detection unit configured to detect a phase difference between the alternating-current voltage and the alternating current; an impedance detection unit configured to detect an impedance of the electrode unit based on the current value and the phase difference; and a control unit configured to control output of alternating-current power output to the electrode unit by controlling the voltage application unit based on the impedance.
    Type: Application
    Filed: February 9, 2023
    Publication date: August 10, 2023
    Applicant: Seiko Epson Corporation
    Inventors: Kazuyoshi KEGASAWA, Tadashi AIZAWA
  • Publication number: 20180064351
    Abstract: A biological information detection device includes: a light-emitting unit that emits light to a subject; a light-receiving unit that receives reflected light or transmitted light from the subject; and a current control unit that supplies the light-emitting unit with a current signal for causing the light-emitting unit to emit the light. For a first period of a light emission period of the light-emitting unit, the current control unit supplies the light-emitting unit with the current signal with a current value greater than for a second period of the light-emission period.
    Type: Application
    Filed: August 29, 2017
    Publication date: March 8, 2018
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kazuyoshi KEGASAWA
  • Publication number: 20160338598
    Abstract: A biological information measurement apparatus including a case section including a biological information detector that detects biological information on a user, a band that attaches the case section to the user, a first electrode provided on a contact surface of the case section or the band that comes into contact with the user's body, a pinched section provided as part of the band and pinched by the user with fingers, a second electrode provided on the pinched section, and an electrocardiogram detector that uses the first electrode and the second electrode to detect the user's electrocardiogram.
    Type: Application
    Filed: May 20, 2016
    Publication date: November 24, 2016
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kazuyoshi KEGASAWA
  • Patent number: 9286650
    Abstract: A video input section acquires a video signal formed of a plurality of frames. A frame separator separates the video signal acquired by the video input section on a frame basis and distributes the separated video signals. A plurality of parallel processors perform video processing in parallel on the separated video signals corresponding to the frames separated and distributed by the frame separator. A frame combiner combines the separated video signals on which the plurality of parallel processors have performed the video processing.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: March 15, 2016
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kazuyoshi Kegasawa
  • Patent number: 9075300
    Abstract: A projector is provided with an image forming device, a light path switching element, a polarization control element, and a polarization plate. The image forming device emits first image light and second image light. The light path switching element shifts a light path of the first image light and a light path of the second image light from each other. The polarization control element controls a polarization direction of the first image light to have a first polarization direction in a first display period, controls polarization directions of the first image light and the second image light to have a second polarization direction different from the first polarization direction in a transition period, and controls the polarization direction of the second image light to have the first polarization direction in a second display period. The polarization plate is disposed on the light exit side of the polarization control element.
    Type: Grant
    Filed: September 3, 2013
    Date of Patent: July 7, 2015
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Kazuyoshi Kegasawa
  • Publication number: 20150022723
    Abstract: A video input section acquires a video signal formed of a plurality of frames. A frame separator separates the video signal acquired by the video input section on a frame basis and distributes the separated video signals. A plurality of parallel processors perform video processing in parallel on the separated video signals corresponding to the frames separated and distributed by the frame separator. A frame combiner combines the separated video signals on which the plurality of parallel processors have performed the video processing.
    Type: Application
    Filed: October 9, 2014
    Publication date: January 22, 2015
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kazuyoshi KEGASAWA
  • Patent number: 8891017
    Abstract: A video input section acquires a video signal formed of a plurality of frames. A frame separator separates the video signal acquired by the video input section on a frame basis and distributes the separated video signals. A plurality of parallel processors perform video processing in parallel on the separated video signals corresponding to the frames separated and distributed by the frame separator. A frame combiner combines the separated video signals on which the plurality of parallel processors have performed the video processing.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: November 18, 2014
    Assignee: Seiko Epson Corporation
    Inventor: Kazuyoshi Kegasawa
  • Publication number: 20140198255
    Abstract: A video input section acquires a video signal formed of a plurality of frames. A frame separator separates the video signal acquired by the video input section on a frame basis and distributes the separated video signals. A plurality of parallel processors perform video processing in parallel on the separated video signals corresponding to the frames separated and distributed by the frame separator. A frame combiner combines the separated video signals on which the plurality of parallel processors have performed the video processing.
    Type: Application
    Filed: December 20, 2013
    Publication date: July 17, 2014
    Applicant: Seiko Epson Corporation
    Inventor: Kazuyoshi KEGASAWA
  • Publication number: 20140063358
    Abstract: A projector is provided with an image forming device, a light path switching element, a polarization control element, and a polarization plate. The image forming device emits first image light and second image light. The light path switching element shifts a light path of the first image light and a light path of the second image light from each other. The polarization control element controls a polarization direction of the first image light to have a first polarization direction in a first display period, controls polarization directions of the first image light and the second image light to have a second polarization direction different from the first polarization direction in a transition period, and controls the polarization direction of the second image light to have the first polarization direction in a second display period. The polarization plate is disposed on the light exit side of the polarization control element.
    Type: Application
    Filed: September 3, 2013
    Publication date: March 6, 2014
    Applicant: Seiko Epson Corporation
    Inventor: Kazuyoshi KEGASAWA
  • Patent number: 8446418
    Abstract: An image processing apparatus includes: a plurality of image processing units each of which is disposed so as to correspond to each of partial images and processes data of each of pixels composing the partial image with reference to data of peripheral pixels of the pixel, wherein the plurality of image processing units includes at least a first image processing unit which use data of pixels composing other partial images adjacent to a first partial image as the data of the peripheral pixels for the image processing on a first partial image, and a second image processing unit which performs the image processing on a second partial image and brokers data of pixels treated as the peripheral pixels by the first image processing unit from an image processing unit which processes the other partial image to the first image processing unit.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: May 21, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Kazuyoshi Kegasawa
  • Patent number: 8305495
    Abstract: A video processing device that divides and processes video data representing a video for one screen includes: an input unit that receives input of the video data; plural image processing units that are provided to correspond to respective plural areas obtained by dividing the video data, receive image data corresponding to the areas, and apply predetermined image processing to image data; an image-data extending unit that acquires image data, which is required by the image processing unit that processes an area adjacent to each of the areas, prior to the image processing by each of the image processing units from the image data corresponding to the area received by each of the image processing units, inputs the image data to the adjacent image processing unit, extends the image data corresponding to the area received by each of the image processing units, and sets the image data as a target of the predetermined image processing by each of the image processing units; and an image combining unit that receives t
    Type: Grant
    Filed: March 29, 2010
    Date of Patent: November 6, 2012
    Assignee: Seiko Epson Corporation
    Inventor: Kazuyoshi Kegasawa
  • Publication number: 20110122143
    Abstract: An image processing apparatus includes: a plurality of image processing units each of which is disposed so as to correspond to each of partial images and processes data of each of pixels composing the partial image with reference to data of peripheral pixels of the pixel, wherein the plurality of image processing units includes at least a first image processing unit which use data of pixels composing other partial images adjacent to a first partial image as the data of the peripheral pixels for the image processing on a first partial image, and a second image processing unit which performs the image processing on a second partial image and brokers data of pixels treated as the peripheral pixels by the first image processing unit from an image processing unit which processes the other partial image to the first image processing unit.
    Type: Application
    Filed: October 12, 2010
    Publication date: May 26, 2011
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kazuyoshi KEGASAWA
  • Publication number: 20100253849
    Abstract: A video processing device that divides and processes video data representing a video for one screen includes: an input unit that receives input of the video data; plural image processing units that are provided to correspond to respective plural areas obtained by dividing the video data, receive image data corresponding to the areas, and apply predetermined image processing to image data; an image-data extending unit that acquires image data, which is required by the image processing unit that processes an area adjacent to each of the areas, prior to the image processing by each of the image processing units from the image data corresponding to the area received by each of the image processing units, inputs the image data to the adjacent image processing unit, extends the image data corresponding to the area received by each of the image processing units, and sets the image data as a target of the predetermined image processing by each of the image processing units; and an image combining unit that receives t
    Type: Application
    Filed: March 29, 2010
    Publication date: October 7, 2010
    Applicant: SEIKO EPSON CORPORATION
    Inventor: Kazuyoshi KEGASAWA
  • Patent number: 6768105
    Abstract: A method of determining GOR comprising subjecting a fluid to spectroscopic analysis at a first wavelength sensitive to gas and a second wavelength sensitive to oil, determining a response matrix for the contribution of gas at the first and second wavelengths and the contribution of oil at the first and second wavelengths, determining a signal response vector and the two wavelengths, calculating a mass fraction vector from the response matrix and the signal response vector and using the mass fraction vector to determine GOR.
    Type: Grant
    Filed: September 10, 2002
    Date of Patent: July 27, 2004
    Assignee: Schlumberger Technology Corporation
    Inventors: Oliver C. Mullins, Toru Terabayashi, Kazuyoshi Kegasawa, Ikko Okuda
  • Publication number: 20030062472
    Abstract: A method of determining GOR comprising subjecting a fluid to spectroscopic analysis at a first wavelength sensitive to gas and a second wavelength sensitive to oil, determining a response matrix for the contribution of gas at the first and second wavelengths and the contribution of oil at the first and second wavelengths, determining a signal response vector and the two wavelengths, calculating a mass fraction vector from the response matrix and the signal response vector and using the mass fraction vector to determine GOR.
    Type: Application
    Filed: September 10, 2002
    Publication date: April 3, 2003
    Inventors: Oliver C. Mullins, Toru Terabayashi, Kazuyoshi Kegasawa, Ikko Okuda
  • Patent number: 6476384
    Abstract: A method of determining GOR comprising subjecting a fluid to spectroscopic analysis at a first wavelength sensitive to gas and a second wavelength sensitive to oil, determining a response matrix for the contribution of gas at the first and second wavelengths and the contribution of oil at the first and second wavelengths, determining a signal response vector and the two wavelengths, calculating a mass fraction vector from the response matrix and the signal response vector and using the mass fraction vector to determine GOR.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: November 5, 2002
    Assignee: Schlumberger Technology Corporation
    Inventors: Oliver C. Mullins, Toru Terabayashi, Kazuyoshi Kegasawa, Ikko Okuda
  • Patent number: 6465775
    Abstract: Methods of detecting carbon dioxide in downhole environments are provided. Near-infrared light is transmitted through a gas downhole. Indications of near-infrared absorptions are detected from the gas and used to determine the presence of carbon dioxide.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: October 15, 2002
    Assignee: Schlumberger Technology Corporation
    Inventors: Oliver C. Mullins, Philip A. Rabbito, Lawrence E. McGowan, Toru Terabayashi, Kazuyoshi Kegasawa
  • Publication number: 20020074489
    Abstract: Methods of detecting carbon dioxide in downhole environments are provided. Near-infrared light is transmitted through a gas downhole. Indications of near-infrared absorptions are detected from the gas and used to determine the presence of carbon dioxide.
    Type: Application
    Filed: December 19, 2000
    Publication date: June 20, 2002
    Inventors: Oliver C. Mullins, Philip A. Rabbito, Lawrence E. McGowan, Toru Terabayashi, Kazuyoshi Kegasawa