Patents by Inventor Kenji Mitsuhashi

Kenji Mitsuhashi 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).

  • Publication number: 20240110930
    Abstract: The present disclosure relates to methods and assays for quantifying brain-derived exosomes in biological samples from subjects before, during, and after surgery. The disclosure also provides methods and compositions for measuring and/or prognosing brain damage during surgery. The compositions and methods of the disclosure are also useful for preventing and/or treating brain damage in subjects undergoing surgery and predicting postoperative cognitive dysfunction (POCD) and/or predicting postoperative delirium (POD).
    Type: Application
    Filed: February 3, 2022
    Publication date: April 4, 2024
    Inventors: Masato Mitsuhashi, Takahiro Tadokoro, Kenji Yshitani
  • Publication number: 20190183349
    Abstract: Employed is an information acquisition apparatus which acquires characteristic information about an object using a reception signal of acoustic waves generated by the object that is irradiated with light, the apparatus having: region acquisition unit for acquiring information indicating a plurality of regions of mutually different characteristics, in the object; sound velocity determination unit for determining sound velocity in the plurality of regions, using the information indicating the plurality of regions; and characteristic information acquisition unit for acquiring the characteristic information about the object, using the sound velocity and the reception signal.
    Type: Application
    Filed: February 26, 2019
    Publication date: June 20, 2019
    Inventors: Takuro Miyasato, Kazuhiko Fukutani, Ryuichi Nanaumi, Kota Nakano, Jumpei Shirono, Kenji Mitsuhashi, Kazuhito Oka
  • Patent number: 10264979
    Abstract: An object information obtaining system disclosed herein includes a holding member that holds an object; a probe that detects acoustic waves at a plurality of positions and obtains a plurality of time-series detection signals, the acoustic waves having occurred inside the object and having propagated through the holding member; and a signal processor that obtains a first frequency signal on the basis of the plurality of time-series detection signals, that obtains a second frequency signal, in which phase modulation is corrected, by performing, on the first frequency signal, correction of phase modulation of the acoustic waves due to the holding member, and that obtains object information inside the object on the basis of the second frequency signal, in which the phase modulation is corrected.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: April 23, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kenji Mitsuhashi
  • Patent number: 9523659
    Abstract: An information processing apparatus is provided, which includes: a signal initialization unit that acquires an initial value of a pressure signal that is obtained after receive, by a receiving unit, of an elasticity wave from an object; an impulse response initialization unit that acquires an initial value of an impulse response of the receiving unit; and an output unit that outputs a modified pressure signal, wherein the output unit has: a signal modifying unit that modifies the pressure signal in use of the impulse response; a signal constraining unit that modifies the pressure signal based on a plurality of constraint conditions; an impulse response modifying unit that modifies the impulse response; and an impulse response constraining unit that modifies the impulse response based on constraint conditions which are time-bandwidth characteristics, and wherein the output unit generates the modified pressure signal by iteratively executing the processes.
    Type: Grant
    Filed: August 30, 2012
    Date of Patent: December 20, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kenji Mitsuhashi
  • Publication number: 20150005611
    Abstract: An object information obtaining system disclosed herein includes a holding member that holds an object; a probe that detects acoustic waves at a plurality of positions and obtains a plurality of time-series detection signals, the acoustic waves having occurred inside the object and having propagated through the holding member; and a signal processor that obtains a first frequency signal on the basis of the plurality of time-series detection signals, that obtains a second frequency signal, in which phase modulation is corrected, by performing, on the first frequency signal, correction of phase modulation of the acoustic waves due to the holding member, and that obtains object information inside the object on the basis of the second frequency signal, in which the phase modulation is corrected.
    Type: Application
    Filed: June 23, 2014
    Publication date: January 1, 2015
    Inventor: Kenji Mitsuhashi
  • Publication number: 20140192615
    Abstract: An information processing apparatus is provided, which includes: a signal initialization unit that acquires an initial value of a pressure signal that is obtained after receive, by a receiving unit, of an elasticity wave from an object; an impulse response initialization unit that acquires an initial value of an impulse response of the receiving unit; and an output unit that outputs a modified pressure signal, wherein the output unit has: a signal modifying unit that modifies the pressure signal in use of the impulse response; a signal constraining unit that modifies the pressure signal based on a plurality of constraint conditions; an impulse response modifying unit that modifies the impulse response; and an impulse response constraining unit that modifies the impulse response based on constraint conditions which are time-bandwidth characteristics, and wherein the output unit generates the modified pressure signal by iteratively executing the processes.
    Type: Application
    Filed: August 30, 2012
    Publication date: July 10, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Kenji Mitsuhashi
  • Publication number: 20130346837
    Abstract: A communication device includes a division circuit configured to divide a data block received from a network into a plurality of cells, a plurality of processing circuits, each configured to execute predetermined processing with respect to the plurality of cells received from the division circuit, an assembling circuit configured to assemble the data block from the plurality of cells received from the plurality of processing circuits, and a first control circuit configured to determine whether or not mismatch is present in a plurality of calculation results stored in the cell, wherein at least two of the division circuit, the plurality of processing circuits, and the assembling circuit store the calculation result of error check calculation with respect to at least one of the plurality of cells, in the cell.
    Type: Application
    Filed: March 20, 2013
    Publication date: December 26, 2013
    Applicant: FUJITSU LIMITED
    Inventor: Kenji MITSUHASHI
  • Publication number: 20120294313
    Abstract: In a network relay device, a routing table stores information of a transfer destination of a packet. A forwarding unit determines the transfer destination of a packet based on information of the routing table. A switch unit switches output destinations of the packet to the forwarding unit based on the determination of a transfer destination by the forwarding unit. A diagnostic packet generator generates a diagnostic packet that circulates through an active path within the device based on the information of the routing table. A diagnostic packet transmitter sends out a diagnostic packet generated by the diagnostic packet generator to the forwarding unit via the switch unit.
    Type: Application
    Filed: July 31, 2012
    Publication date: November 22, 2012
    Applicant: FUJITSU LIMITED
    Inventor: Kenji Mitsuhashi
  • Patent number: 8077945
    Abstract: It is intended to propose a technique whereby a nerve cell is morphologically analyzed automatically based on a three-dimensional image of the nerve cell. First, a dendritic projection is traced by using the scale space method. In this step, irregularities are reduced by using the ?-convolution smoothing method and thus the center line of the dendritic projection is identified. Next, a negative curvature is searched for by the Hess tensor method. The part corresponding to the negative curvature in all coordinate axes is judged as the area occupied by “heads”. The center of this area (heads) is referred to as the spine position. Approximation is made on the assumption that the spine head has an ellipsoidal shape. Thus, the minor diameter, medium diameter and major diameter of the ellipsoid are calculated. From the spine position, a perpendicular line is dropped toward the dendritic projection closest thereto and this perpendicular line is considered as the column part.
    Type: Grant
    Filed: November 13, 2006
    Date of Patent: December 13, 2011
    Assignee: The University of Tokyo
    Inventors: Suguru Kawato, Kenji Mitsuhashi
  • Publication number: 20110292805
    Abstract: A communication processing device includes: a judging section, a distributing section, a congestion rate calculating section, and a reading section. The judging section judges whether each of received packets is a diagnosing packet and that classifies the received packets into at least first packets belonging to a first class for which a bandwidth is guaranteed and second packets belonging to a second class for which a bandwidth is not guaranteed according to respective priorities of the received packets. The distributing section distributes the first packets and the second packets to the first class and the second class, respectively. The congestion rate calculating section calculates a congestion rate of the first packets, using a reading rate of the first packets. The reading section preferentially reads a packet judged to be the diagnosing packet among the second packets on the basis of the congestion rate calculated.
    Type: Application
    Filed: February 22, 2011
    Publication date: December 1, 2011
    Applicant: Fujitsu Limited
    Inventor: Kenji MITSUHASHI
  • Patent number: 7537044
    Abstract: A guide for a traveling transmission medium such as a timing chain comprises a resin shoe for sliding contact with the transmission medium, supported on a base frame having an two flanges and a web in an I-shaped cross-section. The base frame is produced from aluminum by die casting, using a three-part mold. Two parts of the mold cooperate to form a part of the mold cavity that forms one of the flanges and the web of the base frame, and a third part of the mold cooperates with the first two parts to form a part of the cavity in which the other flange of the base frame is formed without a draft.
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: May 26, 2009
    Assignee: Tsubakimoto Chain Co.
    Inventors: Yuji Kurematsu, Toshihiko Komiyama, Kenji Mitsuhashi, Toshiji Aota
  • Publication number: 20090070089
    Abstract: It is intended to propose a technique whereby a nerve cell is morphologically analyzed automatically based on a three-dimensional image of the nerve cell. First, a dendritic projection is traced by using the scale space method. In this step, irregularities are reduced by using the ?-convolution smoothing method and thus the center line of the dendritic projection is identified. Next, a negative curvature is searched for by the Hess tensor method. The part corresponding to the negative curvature in all coordinate axes is judged as the area occupied by “heads”. The center of this area (heads) is referred to as the spine position. Approximation is made on the assumption that the spine head has an ellipsoidal shape. Thus, the minor diameter, medium diameter and major diameter of the ellipsoid are calculated. From the spine position, a perpendicular line is dropped toward the dendritic projection closest thereto and this perpendicular line is considered as the column part.
    Type: Application
    Filed: November 13, 2006
    Publication date: March 12, 2009
    Applicant: The University of Tokyo
    Inventors: Suguru Kawato, Kenji Mitsuhashi
  • Publication number: 20070029696
    Abstract: A guide for a traveling transmission medium such as a timing chain comprises a resin shoe for sliding contact with the transmission medium, supported on a base frame having an two flanges and a web in an I-shaped cross-section. The base frame is produced from aluminum by die casting, using a three-part mold. Two parts of the mold cooperate to form a part of the mold cavity that forms one of the flanges and the web of the base frame, and a third part of the mold cooperates with the first two parts to form a part of the cavity in which the other flange of the base frame is formed without a draft.
    Type: Application
    Filed: July 5, 2006
    Publication date: February 8, 2007
    Applicant: Tsubakimoto Chain Co.
    Inventors: Yuji Kurematsu, Toshihiko Komiyama, Kenji Mitsuhashi, Toshiji Aota
  • Patent number: 6708287
    Abstract: A dual apparatus having a first unit and a second unit of a same configuration, one being operated in an active state while the other in a standby state. Each of these first and second units comprises a first selector for setting a current unit to the active state if a predetermined fault occurs in the other unit; a second selector for sending information indicative of the setting of the current unit to the active state, if a predetermined fault occurs in the other unit and the first selector selects a first act state, to the other unit and, setting the current unit to the standby state, if the predetermined fault does not take place in the other unit and the first selector selects the active state and a state indicated by information supplied from the other unit is the active state; and a register for holding one of the active and standby states selected by the second selector.
    Type: Grant
    Filed: May 17, 2000
    Date of Patent: March 16, 2004
    Assignee: Fujitsu Limited
    Inventors: Kenji Mitsuhashi, Ryo Takajitsuko, Kiyohumi Mitsuze