Patents by Inventor Hiroki MOTOHASHI

Hiroki MOTOHASHI 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: 10281537
    Abstract: MRI apparatus includes an RF coil device, a first radio communication unit, a second radio communication unit, an image reconstruction unit and a judging unit. The RF coil device detects an MR signal, and includes a data saving unit for storing the MR signal. The first radio communication unit wirelessly transmits the MR signal detected by the RF coil device, and the second radio communication unit receives the MR signal from the first radio communication unit. The image reconstruction unit reconstructs image data using the MR signal. The judging unit judges existence of a transmission error in radio communication between the first and second radio communication units. If the transmission error is present, the first radio communication unit wirelessly transmit the MR signal stored in the data saving unit to the second radio communication unit.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: May 7, 2019
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Sadanori Tomiha, Hiroki Motohashi
  • Publication number: 20180180691
    Abstract: MRI apparatus includes an RF coil device, a first radio communication unit, a second radio communication unit, an image reconstruction unit and a judging unit. The RF coil device detects an MR signal, and includes a data saving unit for storing the MR signal. The first radio communication unit wirelessly transmits the MR signal detected by the RF coil device, and the second radio communication unit receives the MR signal from the first radio communication unit. The image reconstruction unit reconstructs image data using the MR signal. The judging unit judges existence of a transmission error in radio communication between the first and second radio communication units. If the transmission error is present, the first radio communication unit wirelessly transmit the MR signal stored in the data saving unit to the second radio communication unit.
    Type: Application
    Filed: February 23, 2018
    Publication date: June 28, 2018
    Inventors: Sadanori TOMIHA, Hiroki MOTOHASHI
  • Patent number: 9983281
    Abstract: MRI apparatus includes a first radio frequency (RF) communication unit, a second RF communication unit, an image reconstruction unit and a table for loading an object. The first RF communication unit obtains a nuclear magnetic resonance (NMR) signal detected by an RF coil device, and wirelessly transmits a digitized NMR signal via an induced electric field. The second RF communication unit receives the NMR signal via the induced electric field. The image reconstruction unit reconstructs image data based on the NMR signal. The table includes a supporting unit which detachably supports the first RF communication unit to the second radio communication unit so that an interval between the first and second RF communication units enables RF communication via the induced electric field.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: May 29, 2018
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Sadanori Tomiha, Hiroki Motohashi, Manabu Ishii
  • Patent number: 9927504
    Abstract: MRI apparatus includes an RF coil device, a first radio communication unit, a second radio communication unit, an image reconstruction unit and a judging unit. The RF coil device detects an MR signal, and includes a data saving unit for storing the MR signal. The first radio communication unit wirelessly transmits the MR signal detected by the RF coil device, and the second radio communication unit receives the MR signal from the first radio communication unit. The image reconstruction unit reconstructs image data using the MR signal. The judging unit judges existence of a transmission error in radio communication between the first and second radio communication units. If the transmission error is present, the first radio communication unit wirelessly transmit the MR signal stored in the data saving unit to the second radio communication unit.
    Type: Grant
    Filed: October 21, 2013
    Date of Patent: March 27, 2018
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Sadanori Tomiha, Hiroki Motohashi
  • Patent number: 9545218
    Abstract: In one embodiment, an RF coil device includes a base board, a belt member, a first coil element, a second coil element inside the base board, and a connecting unit. Both ends of the belt member are respectively connected to mutually separated places on the base board, so that the center part of the belt member is located on the anterior surface of the base board. The belt member is curved to form airspace between the center part thereof and the anterior surface for letting an arm pass through in interdigitation state. The first coil element includes first and second partial coils inside the belt member, and becomes a loop coil element by their connection. The connecting unit detachably connects the base board to the belt member, and mutually connects the first and second partial coils in the interdigitation state.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: January 17, 2017
    Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Miyuki Ota, Sadanori Tomiha, Shinji Mitsui, Mitsuo Takagi, Hiroki Motohashi, Kazuya Okamoto, Junichi Makita
  • Patent number: 8773131
    Abstract: A receiving RF coil includes a coil element group having a figure-eight coil, a first loop coil arranged at the center of the figure-eight coil, and a second loop coil partially overlaid on the first loop coil. Furthermore, a path switching control unit switches the transmitting paths of a signal so that the signal can be received and/or transmitted with a combination of the first loop coil and the second loop coil or a combination of the figure-eight coil and the first loop coil.
    Type: Grant
    Filed: April 16, 2010
    Date of Patent: July 8, 2014
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Shinji Mitsui, Hiroki Motohashi
  • Publication number: 20140070811
    Abstract: In one embodiment, an MRI apparatus (20A) includes an RF coil device (100A), a first radio communication unit (200A), a second radio communication unit (300), an image reconstruction unit (56) and a judging unit (412). The RF coil device detects an MR signal, and includes a data saving unit for storing the MR signal. The first radio communication unit wirelessly transmits the MR signal detected by the RF coil device, and the second radio communication unit receives the MR signal from the first radio communication unit. The image reconstruction unit reconstructs image data using the MR signal. The judging unit judges existence of a transmission error in radio communication between the first and second radio communication units. If the transmission error is present, the first radio communication unit wirelessly transmit the MR signal stored in the data saving unit to the second radio communication unit.
    Type: Application
    Filed: October 21, 2013
    Publication date: March 13, 2014
    Applicants: Toshiba Medical Systems Corporation, Kabushiki Kaisha Toshiba
    Inventors: Sadanori TOMIHA, Hiroki MOTOHASHI
  • Publication number: 20140021956
    Abstract: In one embodiment, an MRI apparatus (20A and 20B) includes a first radio communication unit (200A to 200E), a second radio communication unit (300), an image reconstruction unit (56) and a table (34) for loading an object. The first radio communication unit obtains a nuclear magnetic resonance signal detected by an RF coil device (100), and wirelessly transmits the nuclear magnetic resonance signal in a digitized state via an induced electric field. The second radio communication unit receives the nuclear magnetic resonance signal via the induced electric field. The image reconstruction unit reconstructs image data based on the nuclear magnetic resonance signal. The table includes a supporting unit (500A to 500E) which detachably supports the first radio communication unit to the second radio communication unit so that an interval between the first and second radio communication units enables radio communication via the induced electric field.
    Type: Application
    Filed: August 28, 2013
    Publication date: January 23, 2014
    Applicants: TOSHIBA MEDICAL SYSTEMS CORPORATION, KABUSHIKI KAISHA TOSHIBA
    Inventors: Sadanori TOMIHA, Hiroki MOTOHASHI, Manabu ISHII
  • Publication number: 20120153954
    Abstract: In one embodiment, an RF coil device (90A) includes a base board (96), a belt member (94a), a first coil element (108a, 108b), a second coil element (104, 106) inside the base board, and a connecting unit (100, 102). Both ends of the belt member are respectively connected to mutually separated places on the base board, so that the center part of the belt member is located on the anterior surface of the base board. The belt member is curved to form “airspace between the center part thereof and the anterior surface for letting an arm pass through in interdigitation state”. The first coil element includes first and second partial coils inside the belt member, and becomes a loop coil element by their connection. The connecting unit detachably connects the base board to the belt member, and mutually connects the first and second partial coils in the interdigitation state.
    Type: Application
    Filed: February 23, 2012
    Publication date: June 21, 2012
    Inventors: Miyuki OTA, Sadanori TOMIHA, Shinji MITSUI, Mitsuo TAKAGI, Hiroki MOTOHASHI, Kazuya OKAMOTO, Junichi MAKITA
  • Publication number: 20100271022
    Abstract: A receiving RF coil includes a coil element group having a figure-eight coil, a first loop coil arranged at the center of the figure-eight coil, and a second loop coil partially overlaid on the first loop coil. Furthermore, a path switching control unit switches the transmitting paths of a signal so that the signal can be received and/or transmitted with a combination of the first loop coil and the second loop coil or a combination of the figure-eight coil and the first loop coil.
    Type: Application
    Filed: April 16, 2010
    Publication date: October 28, 2010
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSYTEMS CORPORATION
    Inventors: Shinji MITSUI, Hiroki MOTOHASHI