Patents Examined by Gregory H Curran
  • Patent number: 11061097
    Abstract: The invention provides for an MRI system (100) with an RF system for acquiring magnetic resonance data (142). The RF system comprises a set of antenna elements (126). The MRI system (100) further comprises a processor for controlling the MRI system (100). Magnetic resonance data is acquired. Combined image data (144) is reconstructed. The reconstruction comprises transforming the acquired magnetic resonance data (142) from k-space to image space and combining the resulting image data. For each antenna element (126) magnetic resonance data (146) is simulated using the reconstructed combined image data (144). The simulation comprises transforming the reconstructed combined image data (144) from image space to k-space. A phase correction factor is determined, The determination comprises calculating phase differences between the acquired magnetic resonance data (142) and the simulated magnetic resonance data (146). The acquired magnetic resonance data (142) is corrected using the phase correction factor.
    Type: Grant
    Filed: August 15, 2018
    Date of Patent: July 13, 2021
    Assignee: Koninklijke Philips N.V.
    Inventors: Jan Jakob Meineke, Tim Nielsen
  • Patent number: 11051763
    Abstract: In a method and medical imaging apparatus for determining a feature characterizing intentional breath-holding by an examination object for acquiring medical raw data with breath-holding algorithm, an algorithm, the algorithm being designed to allocate at least one feature characterizing intentional breath-holding to at least one physiological property. The algorithm includes or accesses trained artificial neural network. A physiological property of the examination object is detected during free breathing of the examination object. The feature characterizing intentional breath-holding by the examination object is determined by the computer, by executing the algorithm with the detected physiological property of the examination object, as an input to the algorithm.
    Type: Grant
    Filed: June 12, 2019
    Date of Patent: July 6, 2021
    Assignee: Siemens Healthcare GmbH
    Inventors: David Grodzki, Hans Weber
  • Patent number: 11047943
    Abstract: A protocol to determine chemical shift-specific Ti constants in inhomogeneous magnetic fields is provided. Based on intermolecular double-quantum coherences and spatial encoding techniques, the method can resolve overlapped NMR spectral peaks in inhomogeneous magnetic fields acquired using conventional methods. With inversion recovery involved, the amplitude of spectral peak will be modulated by inversion recovery time. After fitting the spectral peak amplitude variation curve, the corresponding longitudinal relaxation time can be achieved. With the measured T1 values in inhomogeneous magnetic fields, insights into chemical exchange rates, signal optimization, and data quantitation can be obtained.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: June 29, 2021
    Assignee: XIAMEN UNIVERSITY
    Inventors: Shuhui Cai, Hao Chen, Zhong Chen
  • Patent number: 11049591
    Abstract: A system and method is disclosed that establishes communication between a host system and a user device. The host system automatically registers individualized diet data received from the user device. The individualized diet data has parameters indicative of type and quantity of foods or supplements consumed by a user during a defined time period. The parameters are analyzed with a predetermined rule set indicative of concentrations of DHA in select foods and supplements to determine a level of the user's DHA dietary intake relative to a recommended intake. An alert is generated by the host system and transmitted via at least one predetermined communication method and without user intervention, responsive to the user's dietary intake relative to the recommended intake being a predetermined relation to a baseline.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: June 29, 2021
    Assignee: Societe des Produits Nestle S.A.
    Inventors: Manxi Bai, Jie Huang
  • Patent number: 11041929
    Abstract: Systems and methods for MR signal synchronization may be provided. The method may include determining a time difference in a local clock generator at a coil side assembly compared to a system clock generator at a system side assembly. The method may include maintaining a constant phase difference between clock signals generated by the local clock generator and by the system clock generator by correcting the local clock generator based on the time difference. The method may include acquiring MR echo signals by scanning at least a part of a subject in response to the clock signal generated by the corrected local clock generator. The method may further include digitizing the MR echo signal at the coil side assembly.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: June 22, 2021
    Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
    Inventor: Ling Ji
  • Patent number: 11035921
    Abstract: In a method for operating a magnetic resonance (MR) facility during recording of MR data by using a MR sequence including a saturation module for a spin type to be saturated, in which a high-frequency saturation pulse is emitted between first and second spoiler gradient pulses, and multiple further gradient pulses apart from the spoiler gradient pulses, eddy current data is determined. The eddy current data describes eddy currents existing during emission of the saturation pulse and resulting from the further gradient pulses. Further, a pulse parameter of the first spoiler gradient pulse is selected based on the eddy current data such that the eddy currents generated by the first spoiler gradient pulse compensate for at least part of the eddy currents described by the eddy current data during emission of the saturation pulse. The facility is controlled to emit the first spoiler gradient pulse with the selected pulse parameter.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: June 15, 2021
    Assignee: Siemens Healthcare GmbH
    Inventors: Uvo Hoelscher, Michael Koehler, Daniel Niederloehner, Alto Stemmer
  • Patent number: 11035710
    Abstract: Disclosed herein are a method and apparatus for measuring flow using an electromagnetic resonance phenomenon. The flowmeter includes an RF resonator in the form of a cylinder into which a transmission antenna for forming a magnetic field in a preset frequency range and a reception antenna for measuring a response signal are inserted, the RF resonator being shielded from an external magnetic field; and a processor for measuring the flow in a pipe that passes through the RF resonator based on the response signal. The RF resonator includes circular holes in the two bases of the cylinder so as to enable the pipe to pass through the RF resonator, and is formed with a first body and a second body, which are split in the height direction of the cylinder and are coupled using a coupling member so as to wrap the outer circumferential surface of the pipe.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: June 15, 2021
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hyo-Bong Hong, Jae-Chan Jong, Seung-Min Choi
  • Patent number: 11035923
    Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a monitoring coil, a measuring device, and processing circuitry. The monitoring coil continuously transmits to a subject an electromagnetic wave having a monitoring frequency, and without touching the subject. The measuring device measures a change in the impedance related to the monitoring coil over time to thereby generate a biosignal of the subject. The processing circuitry is configured to determine the monitoring frequency that is higher than a frequency of a high-frequency magnetic field based on the information of the subject, and to controls a sequence related to the imaging based on the biosignal.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: June 15, 2021
    Assignee: Canon Medical Systems Corporation
    Inventor: Kazuya Okamoto
  • Patent number: 11022926
    Abstract: An image forming unit insertable into an image forming apparatus includes a photosensitive drum and a drum case supporting the photosensitive drum. The drum case includes a guide configured to (i) at least partially engage with a solid head of the image forming apparatus when inserted into the image forming apparatus along a first direction and (ii) guide the solid head in a second direction orthogonal to the first direction when the solid head is selectively repositioned along the second direction toward the photosensitive drum.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: June 1, 2021
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Takahiro Kojima, Toshihiro Matsushima
  • Patent number: 11016161
    Abstract: Provided is an apparatus of reconstructing a magnetic resonance (MR) image, the apparatus including: a memory storing instructions; and at least one processor configured to execute the instructions to: obtain a plurality of segments of K-space data corresponding to a plurality of pulses which are applied to an object based on a pulse sequence; determine, based on radio frequency (RF) coils of the apparatus, a correction coefficient for merging the plurality of segments of K-space data; and generate a magnetic resonance (MR) image of the object by merging the plurality of segments of K-space data based on the determined correction coefficient.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Shantanu Majumdar
  • Patent number: 11016409
    Abstract: Provided is an image forming apparatus including an image bearing member, a charging member, an exposing member, a developer carrying member, a storage member to store a first lifetime threshold for the first image forming mode, a second lifetime threshold for the second image forming mode and a value related to a driving amount of the image bearing member. The image forming apparatus further includes a controller to (i) perform a first determination regarding the lifetime corresponding to the first mode based on the value related to the driving amount and the first lifetime threshold and (ii) perform a second determination regarding the lifetime corresponding to the second mode based on the value related to the driving amount and the second lifetime threshold, and a notifying unit to perform a notification based on a result of the first or second determination to the image bearing member.
    Type: Grant
    Filed: June 8, 2020
    Date of Patent: May 25, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yuichiro Hirata, Shinichi Hagiwara
  • Patent number: 11003119
    Abstract: A fixing device includes a rotary endless fixing belt; a nip forming member disposed in an interior of the fixing belt; a rotary opposed member to contact the nip forming member via the fixing belt to form a nip together with the fixing belt; a heat source to directly heat the fixing belt at a portion other than the nip, including at lease one heat-generation part disposed outside lateral ends of a maximum area of the fixing belt where a recording medium passes through, wherein a recording medium carrying an unfixed image is conveyed to the nip and the fixing device fixes the unfixed image onto the recording medium; and a shielding member disposed between the fixing belt and the heat generation part of the heat source and configured to shield heat from the heat source at least at an area outside the maximum passing area of the recording medium.
    Type: Grant
    Filed: December 13, 2019
    Date of Patent: May 11, 2021
    Assignee: Ricoh Company, Ltd.
    Inventors: Takamasa Hase, Hiroshi Yoshinaga, Takeshi Uchitani, Yutaka Ikebuchi, Takuya Seshita, Shuutaroh Yuasa
  • Patent number: 11002815
    Abstract: A method for reducing N/2 ghost or Nyquist ghost in magnetic resonance (MR) images is provided The method includes acquiring k-space dataset for an object using an echo planar imaging (EPI) sequence, dividing the k-space dataset into first partial k-space subset data related to positive echoes and second partial k-space subset data related to negative echoes, obtaining third partial k-space subset data that is N/2 or Nyquist ghost-free subset data, respectively registering the first partial k-space subset data and the second partial k-space subset data to a first portion of the third partial k-space subset data corresponding to positive echoes and a second portion of the third partial k-space subset data corresponding to negative echoes, combining the registered first partial k-space subset data and the registered second partial k-space subset data to form full k-space dataset, and reconstructing an image for the object based on the full k-space dataset.
    Type: Grant
    Filed: March 20, 2020
    Date of Patent: May 11, 2021
    Assignee: UNIVERSITY OF CINCINNATI
    Inventor: Jinghua Wang
  • Patent number: 10996301
    Abstract: The invention relates to a method of Dixon-type MR imaging. It is an object of the invention to provide a method that enables efficient and reliable water/fat separation using bipolar readout magnetic field gradients and avoids flow-induced leaking and swapping artifacts. According to the invention, an object (10) is subjected to an imaging sequence, which comprises at least one excitation RF pulse and switched magnetic field gradients, wherein two echo signals, a first echo signal and a second echo signal, are generated at different echo times (TE1, TE2). The echo signals are acquired from the object (10) using bipolar readout magnetic field gradients. A first single echo image is reconstructed from the first echo signals and a second single echo image is reconstructed from the second echo signals.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: May 4, 2021
    Assignee: Koninklijke Philips N.V.
    Inventor: Holger Eggers
  • Patent number: 10996600
    Abstract: A device includes a rotator having a rotation axis, a belt, a nip forming member surrounded by the belt, a first stay surrounded by the belt and extending in a width direction parallel to the rotation axis, a holder holding the nip forming member, and an urging member urging the first stay toward the rotator. The nip forming member is configured to, with the rotator, pinch the belt to form a nip. The first stay includes a first end and a second end. The holder includes a first engaging portion positioned at a first end of the holder, and a second engaging portion positioned at a second end of the holder. The first engaging portion engages the first end of the first stay. The second engaging portion engages the second end of the first stay.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: May 4, 2021
    Assignee: BROTHER KOGYO KABUSHIKI KAISHA
    Inventors: Hiroshi Handa, Tomonori Watanabe, Shuhei Fukue, Kenji Takeuchi, Kazuna Taguchi, Tatsuo Ogasawara
  • Patent number: 10990049
    Abstract: A driver includes a first rotator, a second rotator, a bearing, a housing, a drive gear, a first idler gear, a pivot member, and a second idler gear. The first idler gear is meshed with the drive gear. The pivot member rotates around a rotation center axis in the housing and includes an idler gear support portion rotatably holding the first idler gear. The second idler gear is meshed with the first idler gear and disposed on the rotation center axis of the pivot member. A rotation center of the pivot member is present in a region outside a circle having a diameter of 1.5×L and inside a circle having a diameter of 1.8×L around a rotation center of the first idler gear, when a distance between a rotation center of the first rotator and the rotation center of the first idler gear is L.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: April 27, 2021
    Assignee: Ricoh Company, Ltd.
    Inventor: Hitoshi Fujiwara
  • Patent number: 10989774
    Abstract: The present disclosure provides a vertically retractable magnet field assembly for a Magnetic Imaging Resonance (MRI) system. The assembly can move from an upward raised position to a downward retracted position, and vice versa. The assembly includes a magnet configured with a bore for imaging a body portion of a subject. The bore defines an inner surface of the magnet and extends along a longitudinal axis of the magnet. The magnet includes at least one flux generating element disposed within the magnet and oriented such that each of the at least one flux generating element surrounds the bore. Each of the at least one flux generating element is configured to generate a magnetic field for magnetizing the body portion positioned within the bore to generate a visual representation of an anatomy of the body portion.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: April 27, 2021
    Assignee: Sigwa Company, LLC
    Inventor: Fengling Zhang
  • Patent number: 10983465
    Abstract: An image forming apparatus, including: an image forming portion that forms an image on a recording material based on image data; a fixing portion that includes a heater having a plurality of heat generating members arranged in a direction perpendicular to a conveying direction of a recording material, and that fixes the image to the recording material using heat of the heater; a storage portion that stores history information on the recording material when image forming operation is performed in which the image forming portion forms the image and the fixing portion fixes the image, a control portion that sets power to be supplied to the heat generating members based on the history information before a type of the recording material on which the image is formed or content of the image data of the image to be formed on the recording material is determined.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: April 20, 2021
    Assignee: Canon Kabushikl Kaisha
    Inventors: Masato Sako, Hirohiko Aiba, Tomoki Fujikawa
  • Patent number: 10969720
    Abstract: A heating device includes a surface heater unit that generates heat along a surface extending in a longitudinal direction to heat a heating object; a heat pipe disposed to be in contact with a surface of the surface heater unit over a region extending in the longitudinal direction at a side opposite to a side adjacent to the heating object; a friction reducing material provided to a region in which the surface heater unit and the heating object are in contact with each other, the friction reducing material reducing a frictional resistance between the surface heater unit and the heating object; and a heat-conductive material interposed between the surface heater unit and the heat pipe and having a surface tension that differs from a surface tension of the friction reducing material by 3 (mN/m) or more.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: April 6, 2021
    Assignee: FUJI XEROX CO., LTD.
    Inventors: Kiyoshi Koyanagi, Toko Hara, Kazuyoshi Itoh, Sou Morizaki, Motoharu Nakao, Toshiyuki Miyata, Toru Inoue
  • Patent number: 10955366
    Abstract: An electron diffraction apparatus measures an overall structure of a crystal of a specimen by electron diffraction. An NMR apparatus measures a local structure of the crystal by NMR measurement. An analysis apparatus combines the overall structure and the local structure to specify a structure of the crystal.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: March 23, 2021
    Assignees: JEOL Ltd., RIKEN
    Inventors: Koji Yonekura, Yusuke Nishiyama