Patents by Inventor Yoshitaka Yamaguchi

Yoshitaka Yamaguchi 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: 11912011
    Abstract: One aspect of the present invention provides a composite sheet which comprises a nitride sintered body having a porous structure and a semi-cured product of a thermosetting resin composition impregnated into the nitride sintered body, the line roughness Rz specified by JIS B 0601:2013 of at least one main surface being 10 ?m or less.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: February 27, 2024
    Assignee: Denka Company Limited
    Inventors: Yoshitaka Minakata, Tomoya Yamaguchi, Saori Inoue
  • Patent number: 11791196
    Abstract: A processing apparatus includes a holding unit holding a workpiece, a processing unit processing the workpiece held by the holding unit, a feeding mechanism for feeding the holding unit, and a control unit controlling the feeding mechanism. The holding unit has a chuck table for holding the workpiece and a base for detachably supporting the chuck table. The chuck table includes a plurality of kinds of chuck tables, one of which being selected according to the size or shape of the workpiece. The base is capable of mounting the chuck table selected from the plural kinds of chuck tables. The control unit functions to set feeding conditions including acceleration of the feeding mechanism according to the kind of the chuck table mounted on the base and to control the feeding mechanism under the feeding conditions according to the chuck table.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: October 17, 2023
    Assignee: DISCO CORPORATION
    Inventor: Yoshitaka Yamaguchi
  • Publication number: 20230126712
    Abstract: Provided are an image processing device, an image processing method, a program, and a recording medium for appropriately evaluating blurring of an image according to a background in the image. The image processing device of an embodiment of the present invention includes a processor, and the processor acquires an image, specifies a subject region in which a selected subject is captured and a background region except for the subject region, in the image, calculates a difference between a degree of blurring in the subject region and a degree of blurring in the background region, acquires information as to whether or not an imaging location of the image is outdoors, and calculates an evaluation value regarding blurring of the image on the basis of the difference and the information.
    Type: Application
    Filed: October 19, 2022
    Publication date: April 27, 2023
    Applicant: FUJIFILM Corporation
    Inventor: Yoshitaka YAMAGUCHI
  • Patent number: 11491669
    Abstract: A cutting apparatus cuts a workpiece by a cutting blade. The cutting apparatus includes a mount flange on which the cutting blade is mounted and a replacement apparatus that replaces the cutting blade mounted on the mount flange with the cutting blade for replacement. The replacement apparatus includes a rotating part, a first holding part that holds the cutting blade mounted on the mount flange on a front surface side, a second holding part that holds the cutting blade for replacement on a front surface side, and a nut rotation part that has a nut holding part that holds a nut for fixing the cutting blade to the mount flange and rotates the nut held by the nut holding part. The rotating part is coupled to the first holding part, the second holding part, and the nut rotation part.
    Type: Grant
    Filed: March 23, 2021
    Date of Patent: November 8, 2022
    Assignee: DISCO CORPORATION
    Inventors: Kazuki Terada, Yoshitaka Yamaguchi
  • Publication number: 20210316468
    Abstract: A cutting apparatus cuts a workpiece by a cutting blade. The cutting apparatus includes a mount flange on which the cutting blade is mounted and a replacement apparatus that replaces the cutting blade mounted on the mount flange with the cutting blade for replacement. The replacement apparatus includes a rotating part, a first holding part that holds the cutting blade mounted on the mount flange on a front surface side, a second holding part that holds the cutting blade for replacement on a front surface side, and a nut rotation part that has a nut holding part that holds a nut for fixing the cutting blade to the mount flange and rotates the nut held by the nut holding part. The rotating part is coupled to the first holding part, the second holding part, and the nut rotation part.
    Type: Application
    Filed: March 23, 2021
    Publication date: October 14, 2021
    Inventors: Kazuki TERADA, Yoshitaka YAMAGUCHI
  • Publication number: 20200381288
    Abstract: A processing apparatus includes a holding unit holding a workpiece, a processing unit processing the workpiece held by the holding unit, a feeding mechanism for feeding the holding unit, and a control unit controlling the feeding mechanism. The holding unit has a chuck table for holding the workpiece and a base for detachably supporting the chuck table. The chuck table includes a plurality of kinds of chuck tables, one of which being selected according to the size or shape of the workpiece. The base is capable of mounting the chuck table selected from the plural kinds of chuck tables. The control unit functions to set feeding conditions including acceleration of the feeding mechanism according to the kind of the chuck table mounted on the base and to control the feeding mechanism under the feeding conditions according to said chuck table.
    Type: Application
    Filed: May 15, 2020
    Publication date: December 3, 2020
    Inventor: Yoshitaka YAMAGUCHI
  • Patent number: 10743769
    Abstract: A skin evaluation apparatus includes a shape information acquisition unit 22 that acquires information on a surface unevenness shape of the skin; an optical feature information acquisition unit 23 that acquires information on an optical feature of the skin; and an evaluation unit 24 that evaluates gloss of the skin on the basis of the information on the surface unevenness shape and the information on the optical feature.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: August 18, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Naoko Yoshida, Yoshitaka Yamaguchi, Hideyasu Ishibashi, Eriko Ikeda, Takeharu Tani
  • Patent number: 10475175
    Abstract: A conductive film is provided on the display unit such that the wiring patterns of the two wiring portions overlap with the pixel array patterns of the display unit. A projected wiring pattern, which is obtained when the wiring patterns of the two wiring portions having three-dimensional shapes are projected onto a plane perpendicular to a point of view, includes a regular wiring pattern which has a mesh shape, or an irregular wiring pattern which has mesh shapes and which is formed by making the regular wiring pattern irregular. An indicator of evaluation of moirés, which is caused by interference between a combined wiring pattern formed of the regular wiring pattern and projected pixel array patterns obtained when the pixel array patterns are projected onto the same plane, is equal to or less than an evaluation threshold value.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: November 12, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Yoshitaka Yamaguchi, Kazuchika Iwami
  • Patent number: 10396009
    Abstract: A heat dissipation material includes a plurality of linearly-structured objects of carbon atoms configured to include a first terminal part and a second terminal part; a first diamond-like carbon layer configured to cover the first terminal part of each of the plurality of linearly-structured objects; and a filler layer configured to be permeated between the plurality of linearly-structured objects.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: August 27, 2019
    Assignee: FUJITSU LIMITED
    Inventors: Yoshitaka Yamaguchi, Taisuke Iwai, Masaaki Norimatsu, Yukie Sakita, Shinichi Hirose, Yohei Yagishita
  • Publication number: 20190214623
    Abstract: A separation membrane-integrated electrode assembly for a lithium ion secondary battery comprising an electrode active material layer; and a separation membrane on the electrode active material layer, wherein the separation membrane comprises cellulose nanofibers and a polymer as a binder, and the polymer contains a reactive group that forms a hydrogen bond with the cellulose nanofibers, as well as a method of manufacturing the separation membrane-integrated electrode assembly, and a lithium ion secondary battery including the separation membrane-integrated electrode assembly.
    Type: Application
    Filed: November 1, 2018
    Publication date: July 11, 2019
    Inventors: Mitsuharu KIMURA, Ryo IWAMURO, Yoshitaka YAMAGUCHI, Hironari TAKASE
  • Publication number: 20190198839
    Abstract: A separator including: a cellulose fiber nonwoven fabric; and a fluorine-containing resin layer including a fluorine-containing copolymer, the fluorine-containing resin layer being disposed on a surface of the cellulose fiber nonwoven fabric, wherein the fluorine-containing copolymer includes a copolymer including vinylidene fluoride and a fluorine-containing monomer other than vinylidene fluoride.
    Type: Application
    Filed: August 23, 2018
    Publication date: June 27, 2019
    Inventors: Ryo IWAMURO, Hironari TAKASE, Mitsuharu KIMURA, Yoshitaka YAMAGUCHI
  • Publication number: 20190140240
    Abstract: Provided herein is a separator for a non-aqueous electrolyte secondary battery, the separator having a stacked structure including: a first layer including a polyolefin-based resin, the first layer being a porous film; a second layer including the polyolefin-based resin and a water-based polymer; and a third layer including a binder consisting of the polymer and cellulose nanofibers, and a method of making the same.
    Type: Application
    Filed: November 8, 2018
    Publication date: May 9, 2019
    Inventors: Ryo IWAMURO, Hironari TAKASE, Yoshitaka YAMAGUCHI, Mitsuharu KIMURA
  • Patent number: 9995303
    Abstract: A cross-flow fan includes an impeller and a shaft. The impeller includes a plurality of support plates and a plurality of blades. The blades are different in a blade cross section orthogonal to an impeller rotational axis, and each have a plurality of regions arranged in a direction of the impeller rotational axis and a coupling portion formed so as to couple the plurality of regions to each other. A rib is formed on the coupling portion, or formed in a region adjacent to the coupling portion within a range separated away from the coupling portion by up to 20% of a length of the region adjacent to the coupling portion in the rotational axis direction.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: June 12, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takashi Ikeda, Mitsuhiro Shirota, Takehiro Hayashi, Yoshitaka Yamaguchi
  • Publication number: 20180158753
    Abstract: A heat dissipating structure includes a heat source; a heat dissipating part disposed to oppose to the heat source; a concave portion formed in at least one of opposing surfaces of the heat source and the heat dissipating part; and a heat conducting structure comprising a filler layer of thermoplastic material disposed between the heat source and the heat dissipating part and contacting with the opposing surfaces of the heat source and the heat dissipating part, and an assembly of carbon nanotubes that are distributed in the thermoplastic material, oriented perpendicularly to the surfaces of the filler layer, contacting, at both ends, with the opposing surfaces of the heat source and the heat dissipating part, and limited its distribution in the opposing surfaces by the concave portion.
    Type: Application
    Filed: November 29, 2017
    Publication date: June 7, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Taisuke IWAI, Daiyu KONDO, Yoshitaka YAMAGUCHI, Shinichi HIROSE, Yukie SAKITA, Yohei YAGISHITA, Masaaki NORIMATSU
  • Publication number: 20180145299
    Abstract: Provided are a porous film, a separator including the porous film, an electrochemical device including the porous film, and a method of preparing the porous film. The porous film includes an aqueous resin of a single film having an elongation at break of about 50% or greater; and cellulose nanofibers, wherein an elongation at break of the porous film is about 3% or greater.
    Type: Application
    Filed: November 17, 2017
    Publication date: May 24, 2018
    Inventors: Ryo Iwamuro, Hironari Takase, Yoshitaka Yamaguchi, Mitsuharu Kimura
  • Publication number: 20180000349
    Abstract: Provided are a skin evaluation apparatus, a skin evaluation method, and a non-transitory computer readable recording medium storing a skin evaluation program capable of evaluating gloss of skin in consideration of both of a physical feature of the skin and an optical feature of the skin to quantitatively evaluate gloss of the skin closer to a practical point of view. The skin evaluation apparatus includes a shape information acquisition unit 22 that acquires information on a surface unevenness shape of the skin; an optical feature information acquisition unit 23 that acquires information on an optical feature of the skin; and an evaluation unit 24 that evaluates gloss of the skin on the basis of the information on the surface unevenness shape and the information on the optical feature.
    Type: Application
    Filed: September 20, 2017
    Publication date: January 4, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Naoko YOSHIDA, Yoshitaka YAMAGUCHI, Hideyasu ISHIBASHI, Eriko IKEDA, Takeharu TANI
  • Patent number: 9781864
    Abstract: A cooling apparatus that cools an electronic apparatus accommodated in a cabinet, the cooling apparatus includes: a plurality of cooling fans attached to the cabinet; and a control unit that controls a rotation speed of the cooling fans that have been grouped into a plurality of groups, for each of the groups, depending on a group temperature that typifies each of the groups to which the cooling fans belong.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: October 3, 2017
    Assignee: FUJITSU LIMITED
    Inventors: Yoshitaka Yamaguchi, Hideaki Maeda
  • Publication number: 20170221196
    Abstract: A conductive film is provided on the display unit such that the wiring patterns of the two wiring portions overlap with the pixel array patterns of the display unit. A projected wiring pattern, which is obtained when the wiring patterns of the two wiring portions having three-dimensional shapes are projected onto a plane perpendicular to a point of view, includes a regular wiring pattern which has a mesh shape, or an irregular wiring pattern which has mesh shapes and which is formed by making the regular wiring pattern irregular. An indicator of evaluation of moirés, which is caused by interference between a combined wiring pattern formed of the regular wiring pattern and projected pixel array patterns obtained when the pixel array patterns are projected onto the same plane, is equal to or less than an evaluation threshold value.
    Type: Application
    Filed: April 14, 2017
    Publication date: August 3, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Yoshitaka YAMAGUCHI, Kazuchika IWAMI
  • Publication number: 20170214020
    Abstract: A separator for a nonaqueous secondary battery includes a plurality of cellulose nanofibers and a hydroxyl group-masking component for masking hydroxyl groups on a surface of the cellulose nanofibers, wherein the cellulose nanofibers are cross-linked by the hydroxyl group-masking component to form a nonwoven fabric; as well as a nonaqueous electrolyte secondary battery including the separator, and a method of preparing the separator.
    Type: Application
    Filed: January 23, 2017
    Publication date: July 27, 2017
    Inventors: Yoshitaka YAMAGUCHI, Mitsuharu KIMURA, Hironari TAKASE, Ryo IWAMURO
  • Patent number: 9710088
    Abstract: For the frequencies and intensities of moire obtained by applying the human visual response characteristics to the frequency information and intensity information of moire which are respectively calculated from the peak frequencies and peak intensities of a two-dimensional Fourier spectrum of the transmittance image data of a wiring pattern and the peak frequencies and peak intensities of a two-dimensional Fourier spectrum of the transmittance image data of a pixel array pattern, the sum of the intensities of moire with frequencies which are within a predetermined frequency range that is determined according to the visual response characteristics is equal to or less than a predetermined value.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: July 18, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Yoshitaka Yamaguchi, Kazuchika Iwami