Patents by Inventor Hiroyuki Sekiguchi

Hiroyuki Sekiguchi 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: 20210300702
    Abstract: A sheet feeding device includes a sheet feeding portion, a side end regulating portion, a feeding portion, first and second feeding roller pairs, an abutment member, an obliquely feeding roller pair, and first and second contact-and-separation mechanisms. Feeding of a long sheet is stopped after the sheet is fed to an upstream side of the second feeding roller pair by the feeding portion, and then is resumed in a state in which the first feeding roller pair is changed from a separated state to a feedable state and in a state in which the obliquely feeding roller pair is put in a separated state, and then the sheet is fed to the second feeding roller pair. A short sheet fed by the first feeding roller pair is obliquely fed by the obliquely feeding roller pair and then is fed to the second feeding roller pair.
    Type: Application
    Filed: March 12, 2021
    Publication date: September 30, 2021
    Inventors: Hiroyuki Nakagawa, Isao Kannari, HIroshi Saito, Keitaro Taoka, Hajime Sekiguchi, Kouyou Tamura, So Matsumoto
  • Publication number: 20210300704
    Abstract: An image forming apparatus includes a first supporting member supporting a long sheet, a feeding unit for feeding the long sheet supported by the first supporting member with respect to a feeding direction and a second supporting member, rotatable about a rotational shaft, for supporting the long sheet with the first supporting member. In a state in which the sheet is bent so that a first portion of the long sheet is supported by the first supporting member and a second portion which is a more rear side than the first portion is positioned above the first portion, the second supporting member is movable between a first position where the second supporting member supports the second portion of the sheet and a second position where the center of gravity of the second supporting member is positioned downstream of a rotational center with respect to the feeding direction and the second supporting member maintains an attitude thereof by its own weight.
    Type: Application
    Filed: March 17, 2021
    Publication date: September 30, 2021
    Inventors: Keitaro Taoka, Hiroyuki Nakagawa, Isao Kannari, Hiroshi Saito, Hajime Sekiguchi
  • Publication number: 20210269278
    Abstract: Provided is an elevator control device that can control uncomfortable vibration in a car by using simple calculation. The elevator control device includes, in an elevator in which the car and a counter weight are supported by a main rope wound around a sheave of a motor, a car speed instruction value generator that generates a car speed instruction value with respect to the car; a motor speed controller that controls a motor drive circuit that controls rotation of the motor, based on a motor speed instruction value; and a car vibration control calculator that outputs to the motor speed controller the motor speed instruction value having, relative to the car speed instruction value, a reduced component of a vibration frequency of vibration generated in the car.
    Type: Application
    Filed: September 25, 2018
    Publication date: September 2, 2021
    Applicant: Mitsubishi Electric Corporation
    Inventors: Kazufumi HIRABAYASHI, Hidetaka ISHIGURO, Eiji YOKOYAMA, Hiroyuki SEKIGUCHI
  • Publication number: 20210209834
    Abstract: The disclosure proposes an image processing apparatus for rendering a maximum intensity projection image by extracting, as objects to be rendered, only voxels having a high brightness value in three-dimensional volume data and using the brightness values of these voxels for the corresponding pixels.
    Type: Application
    Filed: March 19, 2021
    Publication date: July 8, 2021
    Inventors: Hiroyuki Sekiguchi, Kohtaro Umezawa
  • Patent number: 10997699
    Abstract: The present invention allows to estimate a continuous surface that defines a boundary surface of an object using image data, even if the image data was acquired by an imaging method in which image information on the boundary surface of the object is limited. An image processing apparatus according to the present invention includes a calculating unit that calculates a brightness gradient of a voxel group constituting volume data which represents a reconstructed image, and an estimating unit that estimates by using the brightness gradient a continuous surface which defines a boundary surface of an object corresponding to the volume data.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: May 4, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyuki Sekiguchi, Kohtaro Umezawa
  • Patent number: 10997775
    Abstract: The disclosure proposes an image processing apparatus for rendering a maximum intensity projection image by extracting, as objects to be rendered, only voxels having a high brightness value in three-dimensional volume data and using the brightness values of these voxels for the corresponding pixels.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: May 4, 2021
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyuki Sekiguchi, Kohtaro Umezawa
  • Patent number: 10972042
    Abstract: An electric-motor control apparatus includes: a command generation unit; a drive detector; a drive-current detection unit; a current-control computation unit; a steady-state-load calculation unit; a first steady-state-load reference-value storage unit; and a tension-variation analysis unit. The command generation unit outputs a drive command signal of an electric motor; the drive detector outputs a drive detection signal of the electric motor; the control computation unit receives the drive detection signal and the drive command signal and outputs a current command value; the drive-current detection unit outputs a drive-current detection value; the current-control computation unit outputs the drive current to the electric motor; and the steady-state-load calculation unit outputs a steady-state-load calculation value. The first steady-state-load reference-value storage unit stores a first steady-state-load reference value; and the tension-variation analysis unit outputs a tension-variation analysis value.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: April 6, 2021
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiroyuki Sekiguchi, Naoto Takano
  • Patent number: 10950204
    Abstract: A diagnosis support apparatus detects a finding and a position, on a diagnosis image as a diagnosis target medical image, which corresponds to the finding from the image, and searches a database storing a plurality of medical images linked to findings and diagnosis names by using the detected finding. The diagnosis support apparatus simultaneously performs or switches between the first display operation of causing a display unit to display the diagnosis image, together with the detected finding and a position on the display which corresponds to the finding and the second display operation of causing the display unit to display the found medical image, together with a diagnosis name associated with the medical image.
    Type: Grant
    Filed: April 25, 2016
    Date of Patent: March 16, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masami Kawagishi, Hiroyuki Sekiguchi, Akihito Uji
  • Publication number: 20190287228
    Abstract: The present invention allows to estimate a continuous surface that defines a boundary surface of an object using image data, even if the image data was acquired by an imaging method in which image information on the boundary surface of the object is limited. An image processing apparatus according to the present invention includes a calculating unit that calculates a brightness gradient of a voxel group constituting volume data which represents a reconstructed image, and an estimating unit that estimates by using the brightness gradient a continuous surface which defines a boundary surface of an object corresponding to the volume data.
    Type: Application
    Filed: June 5, 2019
    Publication date: September 19, 2019
    Inventors: Hiroyuki Sekiguchi, Kohtaro Umezawa
  • Publication number: 20190267927
    Abstract: An electric-motor control apparatus includes: a command generation unit; a drive detector; a drive-current detection unit; a current-control computation unit; a steady-state-load calculation unit; a first steady-state-load reference-value storage unit; and a tension-variation analysis unit. The command generation unit outputs a drive command signal of an electric motor; the drive detector outputs a drive detection signal of the electric motor; the control computation unit receives the drive detection signal and the drive command signal and outputs a current command value; the drive-current detection unit outputs a drive-current detection value; the current-control computation unit outputs the drive current to the electric motor; and the steady-state-load calculation unit outputs a steady-state-load calculation value. The first steady-state-load reference-value storage unit stores a first steady-state-load reference value; and the tension-variation analysis unit outputs a tension-variation analysis value.
    Type: Application
    Filed: September 13, 2017
    Publication date: August 29, 2019
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroyuki SEKIGUCHI, Naoto TAKANO
  • Patent number: 10349826
    Abstract: An image processing apparatus includes a detecting unit configured to execute structural analysis on a tomographic image acquired by an acquiring unit and detect an abnormal portion of the eye; and a display control unit configured to cause a displaying unit to display a finding of the abnormal portion detected by the detecting unit, as a sentence or a word in a manner superimposed on the tomographic image.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: July 16, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Akihito Uji, Hiroyuki Sekiguchi, Yoshihiko Iwase
  • Publication number: 20190188898
    Abstract: The disclosure proposes an image processing apparatus for rendering a maximum intensity projection image by extracting, as objects to be rendered, only voxels having a high brightness value in three-dimensional volume data and using the brightness values of these voxels for the corresponding pixels.
    Type: Application
    Filed: February 22, 2019
    Publication date: June 20, 2019
    Inventors: Hiroyuki Sekiguchi, Kohtaro Umezawa
  • Patent number: 10324582
    Abstract: Aspects of the invention are directed to a medical image display apparatus for displaying a thumbnail image corresponding to medical image data. The medical image data can be displayed in a display area upon selection of the thumbnail image. A display method of the medical image data in the display area can be determined, based on a designated position in the thumbnail image when the thumbnail image is selected by a user. Medical image data is displayed in the display area, according to the determined display method.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: June 18, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroyuki Sekiguchi, Gakuto Aoyama, Yutaka Emoto, Koji Sakai
  • Patent number: 10286449
    Abstract: A casting device includes: a split mold for forming a cavity, including a lower mold, a middle mold that slides in a horizontal direction on the lower mold and an upper mold; a split case for forming a chamber, including a lower case to which the lower mold is attached and an upper case to which the upper mold is attached; a chamber suction device that reduces a pressure at least in the chamber through a chamber pipe that is connected to the chamber and extends to an outside of the chamber; and a cavity suction device that reduces a pressure in the cavity through a cavity pipe that is connected to the cavity and extends to the outside of the chamber. The cavity and the chamber are formed when the middle mold is closed on the lower mold and the split case is closed.
    Type: Grant
    Filed: February 24, 2015
    Date of Patent: May 14, 2019
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Satoshi Minamiguchi, Giichirou Okamura, Shinichi Tsuchiya, Hiroyuki Sekiguchi, Yuuta Sugiyama, Carl Schubeler
  • Patent number: 10261520
    Abstract: A motor controller includes: an error suppression compensation unit that outputs an error suppression signal for driving the motor such that a difference between the position command signal and a signal based on the motor position signal equals zero; an acceleration extraction unit that outputs an acceleration component of a natural frequency of a stand from a stand vibration signal; an acceleration compensation unit that outputs a proportional compensation signal obtained by multiplying the stand acceleration signal by a proportional gain; a machine end correction unit that outputs a machine end correction signal, and decreases an amplitude of vibration at the machine end relative position; and an addition unit that outputs a signal obtained by adding the machine end correction signal to the error suppression signal.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: April 16, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takashi Kai, Hiroyuki Sekiguchi, Hidetoshi Ikeda, Shigeo Amigasaya
  • Patent number: 10251548
    Abstract: The position of the fovea is estimated with high accuracy in a manner such that the thicknesses of a first region including at least a partial region of a region from the internal limiting membrane to the boundary between the external plexiform layer and the external granular layer and a second region including at least a partial region of a region from the boundary to the photoreceptor cell inner segment/outer segment junction are compared with each other, and the position of the fovea is estimated.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: April 9, 2019
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyuki Sekiguchi, Akihito Uji, Daisuke Kawase
  • Publication number: 20180230315
    Abstract: An aluminum pigment comprising plane particles having a particle planarity (shortest length/particle cross-sectional length) of 0.95 to 1.00 at 60% to 100% by number, wherein the mean particle diameter d50 of the particles is 4 ?m to 15 ?m.
    Type: Application
    Filed: August 10, 2016
    Publication date: August 16, 2018
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Hiroyuki SEKIGUCHI, Atsutoshi SUGIMOTO
  • Patent number: 10038399
    Abstract: A motor-control device includes: a command generation unit; an operation detection unit; a drive control unit outputting a drive control signal, a speed signal, and a drive force signal; a current control unit outputting a drive current and the drive current detection value; a mechanical characteristic estimation unit outputting a mechanical characteristic estimation value; an integration unit outputting an integrated drive time or drive amount integrated value of a drive unit; a set period determination unit outputting a signal indicating a set period for a mechanical characteristic permissible threshold output unit; a mechanical characteristic permissible threshold output unit outputting a mechanical characteristic permissible threshold; and a mechanical characteristic abnormality detection unit detecting a mechanical characteristic abnormality.
    Type: Grant
    Filed: December 10, 2015
    Date of Patent: July 31, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroyuki Sekiguchi, Hidetoshi Ikeda, Yuji Igarashi
  • Patent number: 9940706
    Abstract: An image processing apparatus which extracts a lesion having a ground glass opacity from an image includes a change unit which changes a pixel value corresponding to a candidate region for the ground glass opacity to a predetermined pixel value range, a first feature amount extraction unit which obtains a first feature amount from the image, the pixel value of which is changed, and an extraction unit which extracts the lesion from the image based on the first feature amount.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: April 10, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroyuki Sekiguchi, Akinobu Shimizu
  • Patent number: 9904997
    Abstract: An image processing apparatus which extracts a lesion having a ground glass opacity from an image includes a change unit which changes a pixel value corresponding to a candidate region for the ground glass opacity to a predetermined pixel value range, a first feature amount extraction unit which obtains a first feature amount from the image, the pixel value of which is changed, and an extraction unit which extracts the lesion from the image based on the first feature amount.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: February 27, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroyuki Sekiguchi, Akinobu Shimizu