Patents by Inventor Hideki Ogawa

Hideki Ogawa 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: 10042273
    Abstract: In the electrophotographic photosensitive member of the present invention, a plurality of convex portions having a longest diameter L1 in the generatrix direction of the electrophotographic photosensitive member of 30 ?m or more arid a height H1 of 1 ?m or more are formed on the surface of the electrophotographic photosensitive member, a plurality of convex portions corresponding to the convex portions formed on the surface of the surface layer are formed at the interface between the surface layer and a layer immediately below the surface layer, and the rate of fitting of the convex portions formed on the surface of the surface layer to the convex portions formed at the interface between the surface layer and the layer immediately below the surface layer is 20% or more and 200% or less.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: August 7, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koji Takahashi, Hideki Ogawa, Yasuhiro Kawai, Naoaki Ichihashi, Wataru Kitamura
  • Patent number: 9984811
    Abstract: An electronic component has a shaft, a flange formed at an end of the shaft and constituting a core together with the shaft, a coiled conductor wound around the shaft, and an electrode terminal formed on the flange and connected electrically to an end of the conductor; wherein the shaft and flange are made of metal magnetic grains containing Fe which are bonded to each other by bonding of oxide film formed on each metal magnetic grain, and the shaft is more densely filled with the metal magnetic material than is the flange. The electronic component can achieve size reduction and frequency increase by improving the magnetic permeability while also improving the plating property for the terminal electrode.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: May 29, 2018
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Masahiro Hayashi, Hideki Ogawa, Keizo Kawamura, Toshiyuki Yagasaki
  • Patent number: 9892834
    Abstract: A coil component having a magnetic material and a coil formed on a surface of or inside the magnetic material. The magnetic material is constituted by a grain compact formed by compacting multiple metal grains that in turn are constituted by an Fe—Si—M soft magnetic alloy (where M is a metal element that oxidizes more easily than Fe), wherein individual metal grains have oxide film formed at least partially around them; the grain compact is formed primarily via bonding between oxide films formed around adjacent metal grains; and the apparent density of the grain compact 1 is 5.2 g/cm3 or more, or preferably 5.2 to 7.0 g/cm3.
    Type: Grant
    Filed: December 26, 2013
    Date of Patent: February 13, 2018
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Hideki Ogawa, Atsushi Tanada
  • Patent number: 9843516
    Abstract: The communication node includes an entry memory adapted to store a preset number of the control information entries, each stipulating the processing applied to a packet received, in association with the user information, and a packet processor that references the entry memory to process the packet received. The communication node also includes an entry management section that exercises control so that, on the basis of a preset reference, the proportion of the number of the control information entries for one user stored in the entry memory to the number of the control information entries storable in the entry memory will not surpass a preset value.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: December 12, 2017
    Assignee: NEC CORPORATION
    Inventor: Hideki Ogawa
  • Patent number: 9772596
    Abstract: In an image forming apparatus in which an electrostatic image is formed on an electrophotographic photosensitive member using at least a process of a pseudo halftone formed by dots as a method of representing gradation, the electrophotographic photosensitive member is provided on a surface thereof with a plurality of recessed portions of 0.5 ?m more and 5 ?m or less in depth and 20 ?m or more and 80 ?m or less in longest diameter of an opening, when a square region of 500 ?m×500 ?m is arbitrarily extracted on the surface of the electrophotographic photosensitive member, in the square region, a total area of the recessed portions is 10000 ?m2 or more and 90000 ?m2 or less and a total area of a flat portion contained in a portion other than the recessed portion is 80000 ?m2 or more and 240000 ?m2 or less, and an arrangement (A) of the plurality of recessed portions is such an arrangement that an image quality lowering index (f) calculated by specific processing is 14% or less.
    Type: Grant
    Filed: May 19, 2015
    Date of Patent: September 26, 2017
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Takahiro Mitsui, Tomohisa Itagaki, Koji Takahashi, Hiroki Uematsu, Yasuhiro Kawai, Tsutomu Nishida, Hideki Ogawa
  • Patent number: 9761180
    Abstract: An integrated circuit accesses a first storage section that stores a plurality of pattern groups of voltage application for changing an optical state of a pixel to a designated gray level, and outputs a control signal for applying a voltage to a single target pixel of a plurality of pixels as defined above, the voltage being indicated by a pattern that is contained in a pattern group of the plurality of pattern groups that is selected in accordance with the position of the single pixel and the gray level value of the single pixel, the gray level value being indicated by image data acquired by an acquiring section.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: September 12, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Hideki Ogawa
  • Publication number: 20170250021
    Abstract: A coil component is constituted by a composite magnetic material containing alloy grains whose oxygen atom concentration in their surfaces is 50 percent or less, and resin, and also by a coil. The alloy grains are comprised of first alloy grains and second alloy grains which have different compositions and different average grain sizes. The coil component using the composite magnetic material does not require high pressure when formed.
    Type: Application
    Filed: May 15, 2017
    Publication date: August 31, 2017
    Inventor: Hideki OGAWA
  • Publication number: 20170238414
    Abstract: According to one embodiment, FPC has a flexible board body, a reinforcing plate, an opening portion, and a bent structure. The opening portion is formed to penetrate through the board body. The bent structure is bent to pass through the inside of the opening portion.
    Type: Application
    Filed: February 15, 2017
    Publication date: August 17, 2017
    Inventors: Hideki Ogawa, Sasaki Kazuyoshi
  • Patent number: 9685263
    Abstract: A coil component is constituted by a composite magnetic material containing alloy grains whose oxygen atom concentration in their surfaces is 50 percent or less, and resin, and also by a coil. The coil component using the composite magnetic material does not require high pressure when formed.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: June 20, 2017
    Assignee: TAIYO YUDEN CO., LTD.
    Inventor: Hideki Ogawa
  • Publication number: 20170108790
    Abstract: In the electrophotographic photosensitive member of the present invention, a plurality of convex portions having a longest diameter L1 in the generatrix direction of the electrophotographic photosensitive member of 30 ?m or more arid a height H1 of 1 ?m or more are formed on the surface of the electrophotographic photosensitive member, a plurality of convex portions corresponding to the convex portions formed on the surface of the surface layer are formed at the interface between the surface layer and a layer immediately below the surface layer, and the rate of fitting of the convex portions formed on the surface of the surface layer to the convex portions formed at the interface between the surface layer and the layer immediately below the surface layer is 20% or more and 200% or less.
    Type: Application
    Filed: July 30, 2015
    Publication date: April 20, 2017
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Koji Takahashi, Hideki Ogawa, Yasuhiro Kawai, Naoaki Ichihashi, Wataru Kitamura
  • Publication number: 20160372260
    Abstract: An electronic component has a shaft, a flange formed at an end of the shaft and constituting a core together with the shaft, a coiled conductor wound around the shaft, and an electrode terminal formed on the flange and connected electrically to an end of the conductor; wherein the shaft and flange are made of metal magnetic grains containing Fe which are bonded to each other by bonding of oxide film formed on each metal magnetic grain, and the shaft is more densely filled with the metal magnetic material than is the flange. The electronic component can achieve size reduction and frequency increase by improving the magnetic permeability while also improving the plating property for the terminal electrode.
    Type: Application
    Filed: September 2, 2016
    Publication date: December 22, 2016
    Inventors: Masahiro HAYASHI, Hideki OGAWA, Keizo KAWAMURA, Toshiyuki YAGASAKI
  • Patent number: 9460843
    Abstract: Provided is an electronic component having a core that can achieve size reduction and frequency increase by improving the magnetic permeability further while also improving the plating property for the terminal electrode. An electronic component has a shaft, a flange formed at an end of the shaft and constituting a core together with the shaft, a coiled conductor wound around the shaft, and an electrode terminal formed on the flange and connected electrically to an end of the conductor; wherein the shaft and flange are made of a metal magnetic material, and the shaft is more densely filled with the metal magnetic material than is the flange.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: October 4, 2016
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Masahiro Hayashi, Hideki Ogawa, Keizo Kawamura, Toshiyuki Yagasaki
  • Patent number: 9444611
    Abstract: The network system has a switch and a controller. The switch performs processes of a received packet in accordance with a flow entry in which are defined a rule and an action to uniformly control a packet as a flow. The controller transmits a control message to the switch to perform a setting of the flow entry, holds a flow entry identical to the flow entry set to the switch, manages a synchronization state per unity of a flow entry and preferentially synchronizes, in a case the flow entry is not synchronized, a specific flow entry between the switch.
    Type: Grant
    Filed: January 15, 2013
    Date of Patent: September 13, 2016
    Assignee: NEC Corporation
    Inventor: Hideki Ogawa
  • Patent number: 9406102
    Abstract: An integrated circuit device includes a first pad group connected to a first memory pad group arranged along a first chip side of a chip of an image memory stacked on the integrated circuit device, a second pad group connected to a second memory pad group arranged along a third chip side, a control section which controls display of an electro-optical device, and a third pad group from which a data signal and a control signal for display control. The first pad group is arranged along a first side of the integrated circuit device, wherein the second pad group is arranged along a third side facing the first side, and wherein the third pad group is arranged along a second side which intersects with the first side and the third side.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: August 2, 2016
    Assignee: Seiko Epson Corporation
    Inventor: Hideki Ogawa
  • Patent number: 9389521
    Abstract: Provided is an electrophotographic photosensitive member in which a surface of the electrophotographic photosensitive member has: a plurality of specific depressed portions; and a plurality of specific line grooves formed at portions other than the specific depressed portions, and in which when a square region 500 ?m on a side is arranged at an arbitrary position of the surface of the electrophotographic photosensitive member, an area of the plurality of depressed portions in the square region 500 ?m on a side is 95,000 ?m2 or more and 180,000 ?m2 or less.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: July 12, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koji Takahashi, Takahiro Mitsui, Naoaki Ichihashi, Yasuhiro Kawai, Hideki Ogawa
  • Patent number: 9315367
    Abstract: A coordinated transport robot system according to an embodiment includes: first and second robots each including a mobile unit and a movement control unit; first and second position error absorption mechanisms provided on the first and second robots; an impedance model estimating an external force from the amount of displacement detected by the passive element unit; an external force estimating unit estimating respective external forces acting on the first and second robots based on external forces estimated with a dynamics model and estimated by the impedance model; a compliance model calculating respective position correction amounts of the first and second robots to make an external force zero; and a movement command calculating unit calculating movement commands to the first and second robots based on the position correction amounts. Each of the movement control units control the respective mobile units based on the respective movement commands.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: April 19, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Junichiro Ooga, Hideki Ogawa
  • Patent number: 9293244
    Abstract: A magnetic material constituted by a grain compact 1 obtained by shaping metal grains 11 and then heat-treating them in an oxidizing ambience, wherein the metal grains 11 are made of a Fe—Cr—Si alloy and their FeMetal/(FeMetal+FeOxide) ratio as measured before shaping by XPS, with respect to the sum of integral values at the peaks of 709.6 eV, 710.7 eV and 710.9 eV, or FeOxide, and peak integral value at 706.9 eV, or FeMetal, is 0.2 or more.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: March 22, 2016
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Hitoshi Matsuura, Hideki Ogawa, Atsushi Tanada, Kiyoshi Tanaka, Kenji Otake
  • Publication number: 20160064136
    Abstract: A coil component is constituted by a composite magnetic material containing alloy grains whose oxygen atom concentration in their surfaces is 50 percent or less, and resin, and also by a coil. The coil component using the composite magnetic material does not require high pressure when formed.
    Type: Application
    Filed: August 28, 2015
    Publication date: March 3, 2016
    Inventor: Hideki OGAWA
  • Patent number: 9257223
    Abstract: An inductor includes soft magnetic alloy powder-containing resin that contains amorphous soft magnetic alloy powder, which resin is used as a sealing material that seals a coil wound around a winding core of the core. This soft magnetic alloy powder-containing resin contains two groups of large and small particles having a first peak and second peak in their particle size distribution, where the particle size corresponding to the second peak is equal to or smaller than one-half the particle size corresponding to the first peak, and the magnitude ratio (abundance ratio) of the second peak and first peak is 0.2 or more but 0.6 or less. The inductor demonstrates improved DC superimposition characteristics and does not cause sealing irregularities.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: February 9, 2016
    Assignee: TAIYO YUDEN CO., LTD.
    Inventors: Takahiro Samata, Hideki Ogawa
  • Publication number: 20160035482
    Abstract: A coil component includes: a pillar part; first and second rectangular planar parts, each having long sides L, short sides S, and thickness T; a coil formed around the pillar part; two terminal electrodes electrically connected to both ends of the coil; and an outer sheath containing magnetic grains and resin material and covering the coil at least partially; wherein the thickness PL in the L direction and thickness PS in the S direction, of the outer sheath, in a section cut across the center of the pillar part and in parallel with the LS planes, satisfy the relationship of PL<PS.
    Type: Application
    Filed: July 28, 2015
    Publication date: February 4, 2016
    Inventors: Hidenori AOKI, Masashi KUWAHARA, Hideki OGAWA