Patents by Inventor Wataru FUKUDA

Wataru FUKUDA 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: 10323675
    Abstract: A device with an adjustment bolt includes a bolt attachment wall, an adjustment bolt screwed with an internal thread hole of the bolt attachment wall, a locknut screwed with the adjustment bolt, a cover that surrounds the adjustment bolt and the locknut, and a stopper unit that prevents removal of the cover from the locknut. The stopper unit includes an inner circumference groove of the cover fitted around a C-shaped retaining ring, and an external circumference groove of the locknut fitting within the retaining ring. The external circumference groove includes a first groove portion having a large-diameter groove bottom that restricts contraction and removal of the retaining ring fitted within the inner circumference groove, and a second groove portion provided continuously for the first groove portion and having a small-diameter groove bottom that allows contraction and removal of the retaining ring fitted within the inner circumference groove.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: June 18, 2019
    Assignee: KUBOTA Corporation
    Inventors: Hiroki Oso, Naoya Sakurai, Takumi Fukuda, Mitsugu Okuda, Wataru Iwanaga, Yusuke Suzuki, Takahiro Kajihara
  • Patent number: 10299749
    Abstract: An irradiation condition setting section 52 sets irradiation conditions corresponding to the emission angle of radiation emitted from a radiation source 26. The radiation source 26 emits radiation to a breast at a plurality of different emission angles based on the set irradiation conditions. A radiation detector 36 generates a plurality of projection images corresponding to the plurality of emission angles. An image correction section 56 corrects each projection image such that a difference between at least either contrasts or density values in the plurality of projection images is reduced. A reconstruction unit 58 reconstructs a tomographic image based on the plurality of corrected projection images.
    Type: Grant
    Filed: March 24, 2016
    Date of Patent: May 28, 2019
    Assignee: FUJIFILM CORPORATION
    Inventors: Wataru Fukuda, Takao Kuwabara
  • Publication number: 20190143524
    Abstract: A programming assistance apparatus includes circuitry. The circuitry generates a first display data to be displayed in a first input area in which to input, for each of a plurality of task groups including a plurality of tasks, a first condition under which at least one robot executes the tasks. The circuitry generates a second display data to be displayed in a second input area in which to input a second condition for an execution order of the plurality of task groups. The circuitry sets the first condition based on an input into the first input area. The circuitry sets the second condition based on an input into the second input area. The circuitry generates, based on the first condition and the second condition, a motion program for causing the at least one robot to execute the plurality of task groups.
    Type: Application
    Filed: November 8, 2018
    Publication date: May 16, 2019
    Inventors: Makoto TAKAHASHI, Takuya FUKUDA, Wataru WATANABE
  • Patent number: 10278660
    Abstract: When at least one of a two-dimensional radiological image and a plurality of tomographic images of the same subject is displayed on a monitor, a depth map creation unit creates a depth map in which each position on the pseudo two-dimensional image is associated with depth information indicating the position of a tomographic plane corresponding to each position in a depth direction. A display control unit specifies the depth information of a predetermined position in the two-dimensional radiological image, with reference to the depth map, and displays the tomographic image of the tomographic plane indicated by the specified depth information on the monitor.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: May 7, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Wataru Fukuda, Junya Morita
  • Publication number: 20190096098
    Abstract: In a console according to an embodiment, a control unit functions as a generation unit that generates a tomographic image from a plurality of projection images, which have been captured by a radiation detector at each of a plurality of imaging positions with different irradiation angles, with radiation sequentially emitted from each of the plurality of imaging positions, using a reconstruction process. In addition, the control unit functions as a derivation unit that derives the degree of enhancement as a parameter value used in a frequency enhancement process which is an example of image processing for a tomographic image, on the basis of the image analysis result of a projection image corresponding to an irradiation angle of 0 degrees.
    Type: Application
    Filed: August 23, 2018
    Publication date: March 28, 2019
    Inventor: Wataru FUKUDA
  • Patent number: 10219769
    Abstract: A first imaging unit obtains a first radiation image, which is imaged under first imaging conditions. A second imaging unit obtains a plurality of projection images by tomosynthesis imaging under second imaging conditions. A reconstructing unit reconstructs a plurality of projection images to generate a plurality of tomographic images of cross sectional planes of a subject. An image synthesizing unit generates a second radiation image employing the plurality of tomographic images. A subtraction processing unit administers a subtraction process on the first and second radiation images, to generate a subtraction image.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: March 5, 2019
    Assignee: FUJIFILM Corporation
    Inventors: Wataru Fukuda, Junya Morita
  • Patent number: 10219758
    Abstract: An image acquisition unit acquires a plurality of projection images by imaging a subject at each of a plurality of radiation source positions. A reconstruction unit reconstructs the plurality of projection images to generate a plurality of tomographic images. A frequency decomposition unit frequency-decomposes each of the plurality of tomographic images to acquire a plurality of band tomographic images, which show frequency components of each of the plurality of frequency bands, for each of the plurality of tomographic images. A two-dimensional image generation unit generates a band synthesized two-dimensional image by projecting the plurality of band tomographic images for each frequency band. A frequency synthesizing unit performs frequency synthesis by weighting the band synthesized two-dimensional image for each frequency band, thereby generating a composite two-dimensional image.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: March 5, 2019
    Assignee: FUJIFILM Corporation
    Inventor: Wataru Fukuda
  • Patent number: 10102624
    Abstract: First and second image obtaining units respectively obtain a plurality of first projection images and a plurality of second projection images by tomosynthesis imaging operations according to first and second imaging conditions. A reconstructing unit reconstructs the plurality of first and second projection images employing processes of a reconstruction process that includes a filtering process other than the filtering process, to generate a plurality of first tomographic images and a plurality of second tomographic images for each of a plurality of cross sectional planes within a subject. A subtraction processing unit generates tomographic subtraction images from the first and second tomographic images. A filtering processing unit administers filtering processes on the tomographic subtraction images, to generate processed tomographic subtraction images.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: October 16, 2018
    Assignee: FUJIFILM Corporation
    Inventors: Wataru Fukuda, Junya Morita
  • Publication number: 20180279982
    Abstract: A subject information acquisition unit of a mammary gland amount calculation unit acquires the thickness and the mammary gland amount of the breast based on a low voltage image. An absorption coefficient acquisition unit acquires an absorption coefficient of fat and an absorption coefficient of mammary gland with reference to the relationship between the thickness of the breast and the X-ray absorption coefficient, which is calculated in advance according to the energy distribution and the substance forming the breast. A calculation unit calculates a new thickness and a new mammary gland amount of the breast based on the low voltage image, a high voltage image, a tube voltage at the time of imaging, the absorption coefficient of fat, and the absorption coefficient of mammary gland.
    Type: Application
    Filed: March 15, 2018
    Publication date: October 4, 2018
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA
  • Publication number: 20180268573
    Abstract: An image acquisition unit acquires a plurality of projected images from a CT apparatus. A reconstruction unit reconstructs the plurality of projected images to produce a plurality of tomographic images. A scattered ray removal unit removes scattered ray components included in radiation transmitted through the subject from the plurality of projected images based on the tomographic images. The repetition unit performs repetition processing of repeating production of a new tomographic image obtained by reconstructing the projected images from which the scattered ray components are removed, and the removal of the scattered ray components from the plurality of projected images based on the new tomographic image.
    Type: Application
    Filed: January 31, 2018
    Publication date: September 20, 2018
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA
  • Publication number: 20180240224
    Abstract: In an energy subtraction processing apparatus, method, and a non-transitory computer readable recording medium storing program, a high-quality image is generated by acquiring an absorption coefficient suitable for a subject. A subject information acquisition unit acquires the thickness information of a breast and a mammary gland content rate, as subject information, based on a low voltage image acquired by energy subtraction imaging. An absorption coefficient acquisition unit acquires an absorption coefficient corresponding to the subject information with reference to the relationship between the thickness of the breast and the X-ray absorption coefficient, which is calculated in advance. Based on the absorption coefficient acquired by the absorption coefficient acquisition unit, a weighting coefficient calculation unit calculates a weighting coefficient at the time of performing energy subtraction processing.
    Type: Application
    Filed: February 1, 2018
    Publication date: August 23, 2018
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA
  • Patent number: 10043294
    Abstract: An image processing device that includes: an acquiring section that acquires a plurality of projection images in which a subject between a radiation detector and a radiation applying unit has, as a result of the radiation applying unit being moved to thereby change an angle of incidence, with respect to the subject, of radiation applied from the radiation applying unit, been imaged at each different angle of incidence; a processing section that performs frequency processing that attenuates, relative to a high-frequency component, a low-frequency component of projection images in which the angle of incidence is equal to or greater than a first threshold; and a tomographic image generating section that generates tomographic images of the subject by image reconstruction from projection images in which the angle of incidence is less than the first threshold and from the frequency-processed projection images.
    Type: Grant
    Filed: June 8, 2015
    Date of Patent: August 7, 2018
    Assignee: FUJIFILM CORPORATION
    Inventor: Wataru Fukuda
  • Patent number: 9949706
    Abstract: Provided are an image processing device, a radiography system, an image processing program, and an image processing method which can generate a tomographic image used for radiographic interpretation and a tomographic image suitable for generating a composite two-dimensional image from a projection image obtained by tomosynthesis imaging. A frequency processing unit and a tomographic image generation unit generate a first tomographic image which is emphasized according to a spatial frequency and is used for radiographic interpretation, on the basis of the projection images obtained by tomosynthesis imaging, and generate a second tomographic image which is emphasized according to the spatial frequency and on which the degree of emphasis is different from the degree of emphasis on the first tomographic image, on the basis of the projection image. A two-dimensional image generation unit combines a plurality of second tomographic images to generate a composite two-dimensional image.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: April 24, 2018
    Assignee: FUJIFILM CORPORATION
    Inventor: Wataru Fukuda
  • Patent number: 9911064
    Abstract: Provided is a technique for reducing the amount of calculation and storage costs when an alignment process and/or an image quality correction process is performed on a plurality of radiological images in order to perform comparative reading. A correction amount calculation unit 22 calculates a correction amount for matching the position and/or image quality of radiological images other than a reference radiological image among a plurality of radiological images including the same photographic subject with the position and/or image quality of the reference radiological image for each of the other radiological images. A storage processing unit 28 stores the correction amount for each of the other radiological images so as to be associated with the reference radiological image.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: March 6, 2018
    Assignee: FUJIFILM Corporation
    Inventor: Wataru Fukuda
  • Publication number: 20180055459
    Abstract: An image acquisition unit acquires a plurality of projection images by imaging a subject at each of a plurality of radiation source positions. A reconstruction unit reconstructs the plurality of projection images to generate a plurality of tomographic images. A frequency decomposition unit frequency-decomposes each of the plurality of tomographic images to acquire a plurality of band tomographic images, which show frequency components of each of the plurality of frequency bands, for each of the plurality of tomographic images. A two-dimensional image generation unit generates a band synthesized two-dimensional image by projecting the plurality of band tomographic images for each frequency band. A frequency synthesizing unit performs frequency synthesis by weighting the band synthesized two-dimensional image for each frequency band, thereby generating a composite two-dimensional image.
    Type: Application
    Filed: June 20, 2017
    Publication date: March 1, 2018
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA
  • Patent number: 9861332
    Abstract: An image obtaining unit obtains a plurality of projection images by imaging a subject with different radiation source positions. A pixel value projecting unit projects pixel values of the projection images on coordinate positions on a desired slice plane of the subject based on the positional relationship between the radiation source position with which each projection image is taken and the radiation detector, while preserving pixel values of the projection images, to obtain a plurality of slice plane projection images. A positional misalignment correcting unit corrects positional misalignment between the slice plane projection images. A pixel value calculating unit generates a tomographic image from the slice plane projection images having been subjected to the correction of the positional misalignment.
    Type: Grant
    Filed: September 15, 2015
    Date of Patent: January 9, 2018
    Assignee: FUJIFILM Corporation
    Inventor: Wataru Fukuda
  • Publication number: 20170231593
    Abstract: A first imaging unit obtains a first radiation image, which is imaged under first imaging conditions. A second imaging unit obtains a plurality of projection images by tomosynthesis imaging under second imaging conditions. A reconstructing unit reconstructs a plurality of projection images to generate a plurality of tomographic images of cross sectional planes of a subject. An image synthesizing unit generates a second radiation image employing the plurality of tomographic images. A subtraction processing unit administers a subtraction process on the first and second radiation images, to generate a subtraction image.
    Type: Application
    Filed: February 9, 2017
    Publication date: August 17, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Wataru FUKUDA, Junya MORITA
  • Publication number: 20170236276
    Abstract: First and second image obtaining units respectively obtain a plurality of first projection images and a plurality of second projection images by tomosynthesis imaging operations according to first and second imaging conditions. A reconstructing unit reconstructs the plurality of first and second projection images employing processes of a reconstruction process that includes a filtering process other than the filtering process, to generate a plurality of first tomographic images and a plurality of second tomographic images for each of a plurality of cross sectional planes within a subject. A subtraction processing unit generates tomographic subtraction images from the first and second tomographic images. A filtering processing unit administers filtering processes on the tomographic subtraction images, to generate processed tomographic subtraction images.
    Type: Application
    Filed: February 13, 2017
    Publication date: August 17, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Wataru FUKUDA, Junya MORITA
  • Publication number: 20170071554
    Abstract: An image obtaining unit obtains a plurality of projection images taken by imaging a subject with different radiation source positions. A frequency decomposition unit performs frequency decomposition on each of the projection images to obtain a plurality of band projection images representing frequency components for individual frequency bands for each of the projection images. A reconstruction unit reconstructs the band projection images to generate band tomographic images of the subject for the individual frequency bands. A frequency synthesis unit performs frequency synthesis on the band tomographic images to generate a tomographic image of the subject.
    Type: Application
    Filed: September 12, 2016
    Publication date: March 16, 2017
    Applicant: FUJIFILM Corporation
    Inventor: Wataru FUKUDA
  • Publication number: 20160206268
    Abstract: Provided are an image processing device, a radiography system, an image processing program, and an image processing method which can generate a tomographic image used for radiographic interpretation and a tomographic image suitable for generating a composite two-dimensional image from a projection image obtained by tomosynthesis imaging. A frequency processing unit and a tomographic image generation unit generate a first tomographic image which is emphasized according to a spatial frequency and is used for radiographic interpretation, on the basis of the projection images obtained by tomosynthesis imaging, and generate a second tomographic image which is emphasized according to the spatial frequency and on which the degree of emphasis is different from the degree of emphasis on the first tomographic image, on the basis of the projection image. A two-dimensional image generation unit combines a plurality of second tomographic images to generate a composite two-dimensional image.
    Type: Application
    Filed: March 25, 2016
    Publication date: July 21, 2016
    Inventor: Wataru FUKUDA