Patents by Inventor Yoshinori Machida

Yoshinori Machida 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: 11914918
    Abstract: A medical information processing apparatus comprises an obtaining unit that obtains medical information, a learning unit that performs learning on a function of the medical information processing apparatus using the medical information, an evaluation data holding unit that holds evaluation data in which a correct answer to be obtained by executing the function is known, the evaluation data being for evaluating a learning result of the learning unit, an evaluating unit that evaluates a learning result obtained through learning, based on the evaluation data, and an accepting unit that accepts an instruction to apply a learning result of the learning unit to the function.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: February 27, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoshihito Machida, Yoshinori Hirano, Hideaki Miyamoto, Daisuke Yamada
  • Patent number: 10157581
    Abstract: A image display medium driving device includes a voltage application unit that applies a voltage between a pair of substrates, at least one of which is transparent, of an image display medium including plural types of particles which are sealed between the pair of substrates, are attached to the substrates, and start to be separated from the substrates at different times when a predetermined voltage is applied and a control unit that controls the voltage application unit such that a time when the voltage is applied between the pair of substrates varies depending on image information.
    Type: Grant
    Filed: August 29, 2017
    Date of Patent: December 18, 2018
    Assignee: E Ink Corporation
    Inventors: Taijyu Gan, Ryota Mizutani, Yasufumi Suwabe, Yoshinori Machida, Naoki Hiji
  • Publication number: 20170358263
    Abstract: A image display medium driving device includes a voltage application unit that applies a voltage between a pair of substrates, at least one of which is transparent, of an image display medium including plural types of particles which are sealed between the pair of substrates, are attached to the substrates, and start to be separated from the substrates at different times when a predetermined voltage is applied and a control unit that controls the voltage application unit such that a time when the voltage is applied between the pair of substrates varies depending on image information.
    Type: Application
    Filed: August 29, 2017
    Publication date: December 14, 2017
    Inventors: Taijyu GAN, Ryota MIZUTANI, Yasufumi SUWABE, Yoshinori MACHIDA, Naoki HIJI
  • Patent number: 9779670
    Abstract: Provided is a driving device of a display medium, including an application unit that applies a voltage with a pulse width corresponding to a density of a color to be displayed to each of plural pixels of a display medium in which plural kinds of particle groups having different movement starting voltages for movement between a pair of substrates according to an electric field and different colors are enclosed, and a controller that controls the application unit so that a first voltage with a pulse width corresponding to a density of a color of a first particle group finishes being applied to each of the plural pixels, and then a second voltage with a pulse width corresponding to a density of a color of a second particle group is applied thereto.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: October 3, 2017
    Assignee: E Ink Corporation
    Inventors: Tomozumi Uesaka, Yasufumi Suwabe, Yoshinori Machida, Masaaki Abe
  • Patent number: 9778535
    Abstract: A particle dispersion and the display devices in which the dispersion may be incorporated are provided. The particle dispersion includes a dispersion medium, one or more types of particle groups that are dispersed in the dispersion medium that may differ based on color and/or charge, and counter-ions oppositely charged than the one or more particle groups. The particle groups and counter-ions are moved in the dispersion medium according to an electric field formed in the dispersion medium. The one or more types of particle groups are configured such that the total amount of charges of one type of particle group (a) among the one or more types of particle groups is greater than a total amount of charges of the counter-ions that are charged with a polarity opposite to that of the particle group (a).
    Type: Grant
    Filed: January 20, 2015
    Date of Patent: October 3, 2017
    Assignee: E Ink Corporation
    Inventors: Taijyu Gan, Tomozumi Uesaka, Hiroaki Moriyama, Nami Tokunaga, Yoshinori Machida
  • Patent number: 9779671
    Abstract: A image display medium driving device includes a voltage application unit that applies a voltage between a pair of substrates, at least one of which is transparent, of an image display medium including plural types of particles which are sealed between the pair of substrates, are attached to the substrates, and start to be separated from the substrates at different times when a predetermined voltage is applied and a control unit that controls the voltage application unit such that a time when the voltage is applied between the pair of substrates varies depending on image information.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: October 3, 2017
    Assignee: E Ink Corporation
    Inventors: Taijyu Gan, Ryota Mizutani, Yasufumi Suwabe, Yoshinori Machida, Naoki Hiji
  • Publication number: 20160335941
    Abstract: Provided is a method to drive an image display medium.
    Type: Application
    Filed: July 29, 2016
    Publication date: November 17, 2016
    Applicant: E Ink Corporation
    Inventors: Masaaki ABE, Naoki HIJI, Yasufumi SUWABE, Yoshinori MACHIDA
  • Patent number: 9424800
    Abstract: Provided is a driving device of an image display medium including a voltage application unit that varies a voltage applied to a common electrode provided in one of a pair of substrates, and applies a voltage to a pixel electrode provided in the other substrate through active matrix driving, with respect to the image display medium including plural kinds of particles, and a controller that controls the voltage application unit such that a voltage is applied between the pair of substrates, and controls the voltage application unit such that a deviation time of a scanning timing generated due to the active matrix driving during transition to the steps and a potential difference between the pair of substrates in the deviation time are equal to or less than predefined threshold characteristics of the particles.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: August 23, 2016
    Assignee: E Ink Corporation
    Inventors: Masaaki Abe, Naoki Hiji, Yasufumi Suwabe, Yoshinori Machida
  • Patent number: 9280946
    Abstract: A driving device of a display medium, includes: an applying unit that applies a gray level adjusting voltage including unit pulses in accordance with a gray level of a pixel to the pixel of a display medium; and a control unit that controls the applying unit so that the number of unit pulses of the gray level adjusting voltage which is applied at a movement time of each of plural types of panicle groups is equal to the number of unit pulses of the gray level adjusting voltage which is applied at the movement time of a particle group having the highest threshold value among the plural types of particle groups.
    Type: Grant
    Filed: October 17, 2013
    Date of Patent: March 8, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Yasufumi Suwabe, Masaaki Abe, Ryota Mizutani, Yoshinori Machida
  • Publication number: 20160033844
    Abstract: A particle dispersion for display, includes a dispersion medium, and one or more types of particle groups that are dispersed in the dispersion medium, and are moved in the dispersion medium according to an electric field formed in the dispersion medium, wherein a total amount of charges of one type of particle group (a) among the one or more types of particle groups is greater than a total amount of charges of ions that are charged with a polarity opposite to that of the particle group (a) and are movable in the dispersion medium.
    Type: Application
    Filed: January 20, 2015
    Publication date: February 4, 2016
    Inventors: Taijyu GAN, Tomozumi UESAKA, Hiroaki MORIYAMA, Nami TOKUNAGA, Yoshinori MACHIDA
  • Patent number: 9129566
    Abstract: The present invention provides an image display medium comprising a pair of substrates at least one of which having translucency, the substrates being disposed opposite to each other with a gap, a dispersion medium which has translucency and is enclosed in a space between the pair of substrates; and plural kinds of particle groups which are movably dispersed in the dispersion medium, move according to an electric field formed, and have different colors and forces for separation from the substrates.
    Type: Grant
    Filed: August 16, 2007
    Date of Patent: September 8, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Kiyoshi Shigehiro, Yasufumi Suwabe, Yoshinori Machida, Yoshiro Yamaguchi, Takeshi Matsunaga, Atsushi Hirano
  • Patent number: 9087487
    Abstract: A driving device of an image display medium includes an electric field applying unit that applies an electric field between a pair of substrates of an image display medium including first particles of which a first start voltage and a first end voltage vary depending on a variation in external environment and second particles of which a second start voltage and a second end voltage vary depending on the variation in external environment, an external environment acquiring unit, an information storage unit that stores information of an initial driving electric field for applying an adhesive force, the absolute value of which satisfies the first start voltage<the first end voltage<the second start voltage<the second end voltage, to the first and second particles depending on the external environment information and information of a writing electric field to be applied to the particles, and a controller that controls the electric field applying unit.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: July 21, 2015
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Masaaki Abe, Yasufumi Suwabe, Yoshinori Machida
  • Publication number: 20150138247
    Abstract: A image display medium driving device includes a voltage application unit that applies a voltage between a pair of substrates, at least one of which is transparent, of an image display medium including plural types of particles which are sealed between the pair of substrates, are attached to the substrates, and start to be separated from the substrates at different times when a predetermined voltage is applied and a control unit that controls the voltage application unit such that a time when the voltage is applied between the pair of substrates varies depending on image information.
    Type: Application
    Filed: May 31, 2013
    Publication date: May 21, 2015
    Inventors: Taijyu Gan, Ryota Mizutani, Yasufumi Suwabe, Yoshinori Machida, Naoki Hiji
  • Patent number: 8988764
    Abstract: A display medium driver includes a translucent display substrate, a rear substrate that is opposed to the display substrate with a gap interposed therebetween, a dispersion medium enclosed between the substrates, a first particle group dispersed in the dispersion medium so as to migrate by applying a first voltage across the substrates, and a second particle group dispersed in the dispersion medium so as to migrate by applying a second voltage across the substrates, the driver including a setting unit setting a voltage value and a voltage application time of the first voltage with which the first particle group does not migrate at the time of causing the second particle group to migrate depending on a display density of the second particle group and a voltage application unit first applying the first voltage across the substrates and then applying the second voltage across the substrates.
    Type: Grant
    Filed: August 19, 2013
    Date of Patent: March 24, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Masaaki Abe, Yoshinori Machida
  • Patent number: 8982042
    Abstract: An image display medium driver includes a voltage applying unit that applies a voltage between a pair of substrates of an image display medium that displays an image, the image display medium including plural groups of colored particles colored in a color which is different for every group, at least one of the substrates having transparent properties, each group of colored particles moved when the voltage equal to or higher than a threshold voltage in terms of absolute value, that is different for every group, and a controller that determines a substrate on which the colored particles are present for each group of colored particles based on the last image information used for displaying an image.
    Type: Grant
    Filed: April 16, 2012
    Date of Patent: March 17, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yasufumi Suwabe, Masaaki Abe, Yoshinori Machida, Hiroaki Moriyama
  • Patent number: 8952885
    Abstract: There is provided a driving device for driving a display medium that includes a pair of substrates and plural particle groups which are provided between the pair of substrates and have different colors and different threshold voltages for separation from the substrates, including an application unit that applies reset voltages for moving the plural particle groups to one of the pair of substrates between the substrates, each reset voltage being different from each other according to each of the plural particle groups.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: February 10, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yasufumi Suwabe, Yoshinori Machida, Masaaki Abe
  • Patent number: 8928649
    Abstract: The present invention provides a display medium including a pair of substrates; pixel electrodes disposed on one of the pair of substrates; a common electrode disposed on the other substrate of the pair of substrates; and a display layer, the common electrode includes two or more common electrode layers containing a first common electrode layer and a second common electrode layer which being disposed across a gap in a thickness direction, and electrical voltages thereof being controlled independently of each other, the first common electrode layer containing at least one electrode unit and at least one non-electrode area corresponding to a disposition of the pixel electrodes, and the second common electrode layer containing at least one second electrode unit, the at least one second electrode layer completely overlapping with at least the at least one non-electrode area of the first common electrode layer in a thickness direction.
    Type: Grant
    Filed: September 13, 2010
    Date of Patent: January 6, 2015
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yoshinori Machida, Naoki Hiji, Ryota Mizutani
  • Patent number: 8922477
    Abstract: A drive apparatus that drives a display medium that includes display and rear substrates, a disperse medium, and a particle group, includes a voltage application unit that applies first and second voltages to the display medium, in which, when a color of the particle group is displayed, the voltage application unit applies the first voltage higher than or equal to a threshold voltage necessary for the particle group to be detached from the display substrate or the rear substrate to a pixel where the particle group is moved between the substrates and applies the second voltage having a same polarity as the first voltage and is lower than the threshold voltage to the pixel where the particle group is moved between the substrates and to a pixel adjacent to the pixel where the particle group is moved between the substrates and the particle group of which is not moved.
    Type: Grant
    Filed: February 17, 2012
    Date of Patent: December 30, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Tomozumi Uesaka, Ryota Mizutani, Yasufumi Suwabe, Yoshinori Machida
  • Publication number: 20140362125
    Abstract: A driving device of a display medium, includes: an applying unit that applies a gray level adjusting voltage including unit pulses in accordance with a gray level of a pixel to the pixel of a display medium; and a control unit that controls the applying unit so that the number of unit pulses of the gray level adjusting voltage which is applied at a movement time of each of plural types of panicle groups is equal to the number of unit pulses of the gray level adjusting voltage which is applied at the movement time of a particle group having the highest threshold value among the plural types of particle groups.
    Type: Application
    Filed: October 17, 2013
    Publication date: December 11, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Yasufumi SUWABE, Masaaki ABE, Ryota MIZUTANI, Yoshinori MACHIDA
  • Publication number: 20140333646
    Abstract: Provided is a driving device of a display medium, including an application unit that applies a voltage with a pulse width corresponding to a density of a color to be displayed to each of plural pixels of a display medium in which plural kinds of particle groups having different movement starting voltages for movement between a pair of substrates according to an electric field and different colors are enclosed, and a controller that controls the application unit so that a first voltage with a pulse width corresponding to a density of a color of a first particle group finishes being applied to each of the plural pixels, and then a second voltage with a pulse width corresponding to a density of a color of a second particle group is applied thereto.
    Type: Application
    Filed: December 4, 2013
    Publication date: November 13, 2014
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Tomozumi UESAKA, Yasufumi SUWABE, Yoshinori MACHIDA, Masaaki ABE