Patents by Inventor Makoto Kitamura

Makoto Kitamura 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: 8897520
    Abstract: An image processing apparatus includes an approximate value calculating unit that calculates an approximate value that becomes consecutive inside an examination area for a pixel value of each pixel of the examination area based on the pixel value inside an image, a validity evaluating unit that evaluates whether the approximate value is valid on the pixel value, an area dividing unit that divides the examination area with the approximate value that is evaluated as being invalid, an examination area re-setting unit that sets each divided area obtained by the area dividing unit as a new examination area and controls a repetition of processing, and an abnormal portion detecting unit that detects an abnormal portion based on the pixel value inside the image and the approximate value that has been evaluated as being valid by the validity evaluating unit.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: November 25, 2014
    Assignee: Olympus Corporation
    Inventors: Yamato Kanda, Makoto Kitamura, Takehiro Matsuda, Takashi Kono, Masashi Hirota
  • Patent number: 8876109
    Abstract: A medium feeding device includes a medium feeding unit that feeds a medium by contacting the medium, a separating unit that presses the medium against the medium feeding unit to separate the medium from subsequent media, and a conveying unit that conveys the medium having been separated by the separating unit. A first guide member is provided between the medium feeding unit and the conveying unit, and configured to guide a surface of the medium on the medium feeding unit side. A second guide member provided is so as to face the first guide member, and configured to guide the medium. The first guide member has a guide protruding portion that protrudes toward the second guide member.
    Type: Grant
    Filed: March 29, 2011
    Date of Patent: November 4, 2014
    Assignee: Oki Data Corporation
    Inventor: Makoto Kitamura
  • Patent number: 8873998
    Abstract: An image formation apparatus includes: an image formation unit including an image carrier configured to carry a developer image; a drive unit configured to drive the image carrier; a holder provided with the drive unit; a transfer unit located to be opposed to the image carrier and configured to transfer the developer image from the image carrier on a transfer medium; and a switching unit configured to switch a position of the holder between an image formation position, at which the transfer unit transfers the developer image from the image carrier on the transfer medium, and a non-image formation position. The holder is configured to move together with the image formation unit.
    Type: Grant
    Filed: September 26, 2013
    Date of Patent: October 28, 2014
    Assignee: Oki Data Corporation
    Inventor: Makoto Kitamura
  • Publication number: 20140270377
    Abstract: An image processing apparatus includes an abnormal portion candidate region detection unit configured to detect a candidate region of an abnormal portion based on color information of each pixel constituting an image obtained by capturing an image of an inside of a lumen of a subject, a border neighboring pixel identifying unit configured to identify a border neighboring pixel which is a pixel existing in proximity to a border of the candidate region, a feature data calculation unit configured to calculate feature data based on a pixel value of the border neighboring pixel, and an abnormal portion region distinguishing unit configured to distinguish an abnormal portion region based on the feature data.
    Type: Application
    Filed: May 28, 2014
    Publication date: September 18, 2014
    Applicant: OLYMPUS CORPORATION
    Inventors: Yamato KANDA, Makoto KITAMURA, Takashi KONO, Masashi HIROTA
  • Publication number: 20140270499
    Abstract: An image processing apparatus includes: a color feature data calculation unit configured to calculate color feature data of each pixel in an intraluminal image or color feature data of each small region obtained by dividing the intraluminal image into a plurality of small regions; a residue candidate distribution determination unit configured to determine, from among the color feature data, color feature data distributed on a side comparatively strong in redness to be a mucosa distribution and determine color feature data distributed on a side comparatively weak in redness to be a residue candidate distribution; and a residue distribution determination unit configured to determine, from among distributions of the color feature data determined to be the residue candidate distribution, a residue candidate distribution distributed on a side strong in yellowness with reference to the mucosa distribution to be a residue distribution.
    Type: Application
    Filed: May 28, 2014
    Publication date: September 18, 2014
    Applicant: OLYMPUS CORPORATION
    Inventors: Takashi KONO, Yamato KANDA, Makoto KITAMURA, Masashi HIROTA
  • Patent number: 8838006
    Abstract: An image forming apparatus includes a first developer containing part accommodating a developer that is ejected after a depeloper image is formed, a second developer containing part, a communication part allowing the first developer containing part and the second developer containing part to communicate each other, and a first developer carrying member carrying the developer to the first developer containing part to the communication part. Wherein, the communication part carries the developer carried by the first developer carrying member to the second developer containing part.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: September 16, 2014
    Assignee: Oki Data Corporation
    Inventor: Makoto Kitamura
  • Patent number: 8837821
    Abstract: An image processing apparatus includes: a first judging unit that determines an unnecessary candidate region, on a basis of first feature data based on color information of an intraluminal image; and a second judging unit that judges whether the unnecessary candidate region is an unnecessary region, based on second feature data, which is different from the first feature data, of the unnecessary candidate region.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: September 16, 2014
    Assignee: Olympus Corporation
    Inventors: Masashi Hirota, Yamato Kanda, Makoto Kitamura, Takehiro Matsuda, Takashi Kono
  • Publication number: 20140252918
    Abstract: A piezoelectric power generating device that includes a piezoelectric element having a first surface and a second surface opposite the first surface, a stopper, and a lever. The stopper has a first contact surface that is in contact with the first surface. The lever includes a contact portion, which includes a second contact surface that is in contact with the second surface, and a displacement portion. The lever is arranged in such a manner as to be rotatable relative to the stopper around a rotation axis such that the second contact surface presses the second surface when the displacement portion rotates relative to the stopper around the rotation axis.
    Type: Application
    Filed: April 25, 2014
    Publication date: September 11, 2014
    Applicant: MURATA MANUFACTURING CO.,LTD.
    Inventors: Eitaro Kameda, Katsumi Fujimoto, Toshiki Nishiwaki, Makoto Kitamura, Yuji Fujino
  • Publication number: 20140257114
    Abstract: An image processing apparatus includes an abnormal candidate region detection unit configured to detect an abnormal candidate region, as a candidate for an abnormal portion, from an intraluminal image obtained by capturing an image of an inside of a lumen of a subject, a tubular region detection unit configured to detect a tubular region from the intraluminal image, a connectivity determination unit configured to determine whether the abnormal candidate region and the tubular region are connected in a region of a color similar to that of the tubular region, and an abnormality determination unit configured to determine whether the abnormal candidate region is the abnormal portion, based on results of determination by the connectivity determination unit.
    Type: Application
    Filed: May 20, 2014
    Publication date: September 11, 2014
    Applicant: OLYMPUS CORPORATION
    Inventors: Masashi HIROTA, Yamato KANDA, Makoto KITAMURA, Takashi KONO
  • Patent number: 8811698
    Abstract: An image processing apparatus includes: a gradient information calculating unit that calculates gradient information of each of pixels, based on pixel values of an intraluminal image; a closed region creating unit that, based on the gradient information, creates a closed region satisfying a condition where the closed region does not include, on the inside thereof, any pixel of which the gradient strength is equal to or higher than a predetermined value, and also, the boundary of the closed region does not curve toward the interior of the closed region, with a curvature equal to or larger than a predetermined value; and an abnormal part detecting unit that detects an abnormal part from the inside of the closed region.
    Type: Grant
    Filed: April 27, 2011
    Date of Patent: August 19, 2014
    Assignee: Olympus Corporation
    Inventors: Takashi Kono, Yamato Kanda, Makoto Kitamura, Takehiro Matsuda, Masashi Hirota
  • Patent number: 8811676
    Abstract: An image processing apparatus includes a distance information calculator that calculates distance information corresponding to a distance to an imaging object at each of portions in an image; a feature data calculator that calculates feature data at each portion in the image; a feature data distribution calculator that calculates a distribution of the feature data in each of regions that are classified according to the distance information in the image; a reliability determining unit that determines the reliability of the distribution of the feature data in each of the regions; and a discrimination criterion generator that generates, for each of the regions, a discrimination criterion for discriminating a specific region in the image based on a determination result of the reliability and the distribution of the feature data in each of the regions.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: August 19, 2014
    Assignee: Olympus Corporation
    Inventors: Makoto Kitamura, Yamato Kanda, Takehiro Matsuda, Takashi Kono, Masashi Hirota
  • Patent number: 8805086
    Abstract: An image processing apparatus to detect a bubble region included in image includes: a bubble candidate region setting unit which sets, from the image, a region as a bubble candidate region, the region having shape corresponding to a bubble region shape model stored in a storage unit; and a bubble region determination unit which determines, on the basis of information belonging to the bubble candidate region, whether the bubble candidate region is a bubble region.
    Type: Grant
    Filed: December 9, 2011
    Date of Patent: August 12, 2014
    Assignee: Olympus Corporation
    Inventors: Makoto Kitamura, Yamato Kanda, Takashi Kono, Masashi Hirota
  • Patent number: 8798344
    Abstract: An image processing apparatus includes: a candidate point extraction unit which extracts, from an image, candidate points which are candidates for points constituting a circular region that represents a bubble; and a circular-region detecting unit which detects a circular region in the image on the basis of information belonging to the candidate points.
    Type: Grant
    Filed: December 13, 2011
    Date of Patent: August 5, 2014
    Assignee: Olympus Corporation
    Inventors: Makoto Kitamura, Yamato Kanda, Takashi Kono, Masashi Hirota
  • Patent number: 8781233
    Abstract: An image processing apparatus includes: an area extracting unit that extracts a candidate area of a classification target area in which a pixel value does not correspond to a three-dimensional shape of an imaging target based on pixel values of an intraluminal image acquired by imaging the inside of a lumen or information of a change in pixel values of peripheral pixels; and an area classifying unit that classifies the classification target area out of the candidate area based on the pixel values of the inside of the candidate area, a boundary portion of the candidate area, or a periphery portion of the candidate area.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: July 15, 2014
    Assignee: Olympus Corporation
    Inventors: Yamato Kanda, Makoto Kitamura, Takehiro Matsuda, Takashi Kono, Masashi Hirota
  • Patent number: 8774521
    Abstract: An image processing apparatus includes an approximate-surface calculator that calculates multiple approximate surfaces that each approximate the pixel value of a pixel included in an examination-target region of an image; an approximate-surface selector that selects at least one approximate surface from the approximate surfaces on the basis of the relation between the pixel value of the pixel in the examination-target region and the approximate surfaces; an approximate-region setting unit that sets an approximate region that is approximated by at least the selected one approximate surface; and an abnormal-region detector that detects an abnormal region on the basis of the pixel value of a pixel in the approximate region and the value corresponding to the coordinates of that pixel on at least one approximate surface.
    Type: Grant
    Filed: February 24, 2012
    Date of Patent: July 8, 2014
    Assignee: Olympus Corporation
    Inventors: Yamato Kanda, Makoto Kitamura, Takashi Kono, Masashi Hirota
  • Patent number: 8743189
    Abstract: An image processing apparatus includes an image acquiring unit that acquires an in-vivo image being a captured image of an inside of a body cavity; a feature-data calculating unit that calculates feature data corresponding to a pixel or an area in the in-vivo image; a body-tissue extracting unit that extracts, as a body tissue, a pixel or an area whose feature data corresponds to a predetermined threshold; a criterion creating unit that creates a criterion for detecting a detecting object based on the feature data of the body tissue; and a detecting unit that detects a body tissue corresponding to the criterion as the detecting object.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: June 3, 2014
    Assignee: Olympus Corporation
    Inventor: Makoto Kitamura
  • Patent number: 8689967
    Abstract: A belt driving device that drives a belt includes a plurality of rollers, an endless belt tensioned on the plurality of rollers, a belt guide member that is mounted on at least one end of at least one roller of the plurality of rollers and that guides a side edge part of the belt, and a belt displacement device that is mounted on the same end of the one roller as the belt guide member in order to displace the side edge part of the belt in a direction away from the belt guide member. Wherein a portion of the belt displacement device is located on a downstream side of the belt guide member in a traveling direction of the belt, and the portion continuously contacts the side edge part of the belt.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: April 8, 2014
    Assignee: Oki Data Corporation
    Inventor: Makoto Kitamura
  • Publication number: 20140093274
    Abstract: An image formation apparatus includes: an image formation unit including an image carrier configured to carry a developer image; a drive unit configured to drive the image carrier; a holder provided with the drive unit; a transfer unit located to be opposed to the image carrier and configured to transfer the developer image from the image carrier on a transfer medium; and a switching unit configured to switch a position of the holder between an image formation position, at which the transfer unit transfers the developer image from the image carrier on the transfer medium, and a non-image formation position. The holder is configured to move together with the image formation unit.
    Type: Application
    Filed: September 26, 2013
    Publication date: April 3, 2014
    Applicant: Oki Data Corporation
    Inventor: Makoto KITAMURA
  • Patent number: 8682048
    Abstract: In an image processing device that discriminates between a mucosal region and a non-mucosal region that are contained in an intraluminal image, the image processing device includes a residue candidate region detecting unit that detects a residue candidate region to be discriminated whether the candidate region is a mucosal region or not, on the basis of a feature data of each pixel that constitutes the intraluminal image, a structure edge region detecting unit that detects a structure edge contained in the intraluminal image, and an approximate structure edge line calculating unit and an overlap deciding unit that discriminate whether the residue candidate region is a mucosal region or not, based on a relative positional relationship between the structure edge and the residue candidate region.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: March 25, 2014
    Assignee: Olympus Corporation
    Inventors: Masashi Hirota, Yamato Kanda, Makoto Kitamura, Takeshi Kono
  • Publication number: 20140072332
    Abstract: An image forming apparatus includes an apparatus main body, and a visible image forming unit that forms a developer image. The visible image forming unit includes a first unit, a second unit detachably mounted to the apparatus main body, and a third unit. An image forming apparatus further includes a first mechanism that causes the first unit and the second unit to move toward or away from each other, a moving member that moves the first mechanism, and a second mechanism that causes the second unit and the third unit to move toward or away from each other in conjunction with a movement of the first mechanism.
    Type: Application
    Filed: September 5, 2013
    Publication date: March 13, 2014
    Applicant: Oki Data Corporation
    Inventor: Makoto KITAMURA