Patents by Inventor Yeunchul Ryu

Yeunchul Ryu 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: 10663540
    Abstract: A receiving coil for a magnetic resonance imaging (MRI) apparatus has a cylindrical form including ring-type support members or a cylinder-type support member having open ends, and at least one coil element connected to the support member(s). The receiving coil is configured to receive magnetic resonance signals.
    Type: Grant
    Filed: August 26, 2015
    Date of Patent: May 26, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Beom Kim, Yeunchul Ryu
  • Patent number: 9964618
    Abstract: A method of magnetic resonance imaging (MRI) includes applying radio frequency (RF) pulses including a plurality of frequency components and a selection gradient to a target to simultaneously excite a plurality of sub-volumes included in each of a plurality of groups, wherein neighboring sub-volumes of all sub-volumes constituting a volume of the target belong to different groups; acquiring magnetic resonance signals from the plurality of sub-volumes by performing 3D encoding on each of the excited sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of sub-volumes.
    Type: Grant
    Filed: October 22, 2013
    Date of Patent: May 8, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Beom Kim, Yeunchul Ryu, Jong-bum Son, Jaemock Yi, Seong-deok Lee
  • Patent number: 9958523
    Abstract: A magnetic resonance imaging (MRI) method includes: applying radio-frequency (RF) pulses comprising a plurality of frequency components and a selection gradient to a subject to simultaneously excite a plurality of sub-volumes in each of a plurality of groups, wherein a plurality of sub-volumes making up a volume of the subject are divided into the plurality of groups so that any neighboring sub-volumes belong to different groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes using a plurality of encoding methods; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the encoded sub-volumes.
    Type: Grant
    Filed: November 13, 2013
    Date of Patent: May 1, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Beom Kim, Yeunchul Ryu, Jaemock Yi
  • Patent number: 9791528
    Abstract: A magnetic resonance imaging (MRI) method includes defining a plurality of sub-volumes so that each of the sub-volumes includes a plurality of sequential slices of a plurality of slices that make up a volume of a subject, wherein the sub-volumes are divided into a plurality of groups so that any neighboring sub-volumes belong to different groups; applying radio-frequency (RF) pulses including a plurality of frequency components and a selection gradient to the subject to simultaneously excite a plurality of sub-volumes in each of the groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes so that only some slices of the plurality of slices in each of the excited sub-volumes are encoded in a slice direction; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of slices in each of the encoded sub-volumes.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: October 17, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Beom Kim, Yeunchul Ryu, Jaemock Yi
  • Patent number: 9618595
    Abstract: A method and apparatus for generating a magnetic resonance image including applying to a target first radio frequency (RF) pulses having phases and different frequencies to excite a plurality of sub-volumes constituting a volume of the target, and acquiring first magnetic resonance signals from the plurality of sub-volumes, and applying to the target second RF pulses having the same frequencies as the frequencies of the first RF pulses and phases at least one of which is different from the phases of the first RF pulses, and acquiring second magnetic resonance signals from the plurality of sub-volumes. Also, data may be generated based on the first and second magnetic resonance signals.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: April 11, 2017
    Assignees: Samsung Electronics Co., Ltd., Korea University Research and Business Foundation
    Inventors: Young Beom Kim, Yeunchul Ryu, Jaemock Yi, Chang-Hyun Oh
  • Patent number: 9606203
    Abstract: a radio frequency (RF) coil device includes a plurality of RF coil elements configured to generate an RF magnetic field, and a support member configured to support the plurality of RF coil elements so that at least one of the plurality of RF coil elements is movable.
    Type: Grant
    Filed: December 10, 2013
    Date of Patent: March 28, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeunchul Ryu, Young Beom Kim, Jaemock Yi, Seong-deok Lee
  • Publication number: 20160084926
    Abstract: Provided is a receiving coil for a magnetic resonance imaging (MRI) apparatus, in which the receiving coil includes at least one coil element aligned that is not parallel to a central axis of the receiving coil. The receiving coil is provided in a cylindrical form including ring-type support members and a cylinder-type support member having open ends.
    Type: Application
    Filed: August 26, 2015
    Publication date: March 24, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Beom KIM, Yeunchul RYU
  • Publication number: 20140203805
    Abstract: A method and apparatus for generating a magnetic resonance image including applying to a target first radio frequency (RF) pulses having phases and different frequencies to excite a plurality of sub-volumes constituting a volume of the target, and acquiring first magnetic resonance signals from the plurality of sub-volumes, and applying to the target second RF pulses having the same frequencies as the frequencies of the first RF pulses and phases at least one of which is different from the phases of the first RF pulses, and acquiring second magnetic resonance signals from the plurality of sub-volumes. Also, data may be generated based on the first and second magnetic resonance signals.
    Type: Application
    Filed: October 23, 2013
    Publication date: July 24, 2014
    Applicants: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Beom Kim, Yeunchul Ryu, Jaemock Yi, Chang-Hyun Oh
  • Publication number: 20140197833
    Abstract: a radio frequency (RF) coil device includes a plurality of RF coil elements configured to generate an RF magnetic field, and a support member configured to support the plurality of RF coil elements so that at least one of the plurality of RF coil elements is movable.
    Type: Application
    Filed: December 10, 2013
    Publication date: July 17, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yeunchul Ryu, Young Beom Kim, Jaemock Yi, Seong-deok Lee
  • Publication number: 20140132261
    Abstract: A magnetic resonance imaging (MRI) method includes defining a plurality of sub-volumes so that each of the sub-volumes includes a plurality of sequential slices of a plurality of slices that make up a volume of a subject, wherein the sub-volumes are divided into a plurality of groups so that any neighboring sub-volumes belong to different groups; applying radio-frequency (RF) pulses including a plurality of frequency components and a selection gradient to the subject to simultaneously excite a plurality of sub-volumes in each of the groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes so that only some slices of the plurality of slices in each of the excited sub-volumes are encoded in a slice direction; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of slices in each of the encoded sub-volumes.
    Type: Application
    Filed: November 8, 2013
    Publication date: May 15, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Beom Kim, Yeunchul Ryu, Jaemock Yi
  • Publication number: 20140132264
    Abstract: A magnetic resonance imaging (MRI) method includes: applying radio-frequency (RF) pulses comprising a plurality of frequency components and a selection gradient to a subject to simultaneously excite a plurality of sub-volumes in each of a plurality of groups, wherein a plurality of sub-volumes making up a volume of the subject are divided into the plurality of groups so that any neighboring sub-volumes belong to different groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes using a plurality of encoding methods; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the encoded sub-volumes.
    Type: Application
    Filed: November 13, 2013
    Publication date: May 15, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Beom Kim, Yeunchul Ryu, Jaemock Yi
  • Publication number: 20140111201
    Abstract: A method of magnetic resonance imaging (MRI) includes applying radio frequency (RF) pulses including a plurality of frequency components and a selection gradient to a target to simultaneously excite a plurality of sub-volumes included in each of a plurality of groups, wherein neighboring sub-volumes of all sub-volumes constituting a volume of the target belong to different groups; acquiring magnetic resonance signals from the plurality of sub-volumes by performing 3D encoding on each of the excited sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of sub-volumes.
    Type: Application
    Filed: October 22, 2013
    Publication date: April 24, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Beom Kim, Yeunchul Ryu, Jong-bum Son, Jaemock Yi, Seong-deok Lee