Patents by Inventor Masahiro Hayashitani

Masahiro Hayashitani 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: 20210134395
    Abstract: An early infectious disease sign detection device includes: an early infectious disease sign detection unit that generates early sign information indicating an early sign that a determination target patient is going to develop an infectious disease, by using learning data indicating a result of learning about biological information of a patient who has developed the infectious disease among a plurality of patients, and biological information acquired for the determination target patient; and an action information output unit that outputs action information for the infectious disease for the determination target patient, based on the early sign information.
    Type: Application
    Filed: June 18, 2019
    Publication date: May 6, 2021
    Applicant: NEC CORPORATION
    Inventors: Masahiro HAYASHITANI, Masahiro KUBO, Shigemi KITAHARA
  • Publication number: 20210074413
    Abstract: A data management system is provided with: a storage unit for storing examination information including at least an examination item, an examination location, a consultation location, and a required examination time, the examination item including examination names of a plurality of examinations; an acquisition unit for acquiring patient information relating to severity and an identifier for identifying the patient to be examined; a calculation unit for calculating, in accordance with the patient, the necessary travel time for traveling from the examination location or consultation location at which a completed examination or consultation was performed to the next examination location or consultation location at which the next examination or consultation subsequent to the examination or consultation is to be performed, based on the patient information and the examination information; and a generating unit for generating a patient examination schedule based on the examination information, the patient informati
    Type: Application
    Filed: August 22, 2018
    Publication date: March 11, 2021
    Applicant: NEC CORPORATION
    Inventors: Masahiro HAYASHITANI, Kosuke HOMMA, Masahiro KUBO, Shigemi KITAHARA
  • Publication number: 20200373006
    Abstract: This medical information processing system is provided with: an operation policy input unit which receives a selection of an operation policy defining a plurality of operation policies which can be taken by a hospital as a whole; a model learning unit which refers to a database being managed so as to be accessible in the hospital, and generates, for each selectable operation policy, a maximization model of each operation policy with respect to an environmental change of the hospital; and a behavior optimization unit which, using the maximization model of the operation policy selected by the operation policy input unit, generates decision assistance information for a healthcare worker with respect to each patient that maximizes the overall efficiency of the hospital in accordance with the environmental change of the hospital.
    Type: Application
    Filed: September 3, 2018
    Publication date: November 26, 2020
    Applicant: NEC Corporation
    Inventors: Masahiro KUBO, Masahiro HAYASHITANI, Yuji OHNO, Toshinori HOSOI, Shigemi KITAHARA
  • Publication number: 20200365256
    Abstract: The present invention addresses the problem of improving a task of a medical staff person. A patient status determination device includes: an indication unit that indicates to the medical staff person, in order, a plurality of items to be measured for the patient; a reaction recognition unit that recognizes a reaction from the medical staff person to the indicated items, and outputs the recognized result; and a score determination unit that determines the score for the indicated items on the basis of the recognized result, and outputs the determined score. The indication unit indicates to the medical staff person each of the plurality of items in the form of at least one question associated with the items.
    Type: Application
    Filed: November 6, 2018
    Publication date: November 19, 2020
    Applicant: NEC CORPORATION
    Inventors: Masahiro HAYASHITANI, Yuan LUO, Masahiro KUBO, Shigemi KITAHARA
  • Publication number: 20200365255
    Abstract: The present invention assists a medical practitioner in making a highly reliable determination of a discharge destination. The medical information processing device according to the present invention is provided with: an acquiring unit for acquiring a discharge destination prediction result that is the result of predicting the discharge destination, and a model related to the discharge destination prediction result, the model being for classifying the discharge destination using a data item included in an electronic medical record as an explanatory variable; an extraction unit for extracting, from the model, a data item that affects the discharge destination prediction and that satisfies a predetermined condition; and an output unit for correlating and outputting the data item with the discharge destination prediction result on the basis of the extraction result.
    Type: Application
    Filed: August 23, 2018
    Publication date: November 19, 2020
    Applicant: NEC Corporation
    Inventors: Masahiro HAYASHITANI, Yutaka TSUBOISHI, Shuuya MAEDA, Masahiro KUBO
  • Publication number: 20200350061
    Abstract: A medical information processing system comprises: an input unit that receives input of electronic chart information for a patient being treated; a machine learning unit that refers to an electronic chart information group for each patient, the information group being obtained on the basis of an inpatient of an acute care facility, and performs machine learning about the discharge destination, from the acute care facility, of each patient; and a discharge-destination prediction unit that predicts the discharge destination of the patient being treated from the received electronic chart information of the patient being treated, on the basis of the learning results obtained from the machine learning unit.
    Type: Application
    Filed: August 22, 2018
    Publication date: November 5, 2020
    Applicant: NEC CORPORATION
    Inventors: Masahiro HAYASHITANI, Masahiro KUBO, Shigemi KITAHARA
  • Publication number: 20200327889
    Abstract: The present invention addresses the problem of improving a nursing operation. The nurse operation assistance terminal is provided with: a presentation unit which presents, to a nurse at the site of treatment and in sequence, necessary items of treatment to be performed with respect to a patient; and an input unit into which a response speech the nurse has uttered in response to the presented necessary items is input, and which outputs a response speech signal indicating the response speech as an input value. A recording device is provided with: a nursing necessity degree table for recoding a nursing necessity degree; a speech identification means which identifies the input value of the response speech signal as an identification result comprising text data; and a recording unit which automatically records the identification result in a corresponding predetermined field in the nursing necessary degree table.
    Type: Application
    Filed: October 5, 2018
    Publication date: October 15, 2020
    Applicant: NEC CORPORATION
    Inventors: Yuan LUO, Masahiro KUBO, Masahiro HAYASHITANI, Yuji OHNO, Yutaka UNO, Shigemi KITAHARA
  • Publication number: 20200265950
    Abstract: The present invention can predict the occurrence of target-patient problem behavior prior the occurrence of such problem behavior. A biological information processing system includes: a feature calculation unit that calculates, from input biological information of the target patient, detection-use feature time-series data which indicates a feature related to the target patient: and an agitation detection unit that processes the detection-use feature time-series data on the basis of a pre-acquired discrimination parameter, that calculates the current agitation score of the target patient, and that detects the current agitation state of the target patient prior to the target-patient problem behavior.
    Type: Application
    Filed: August 22, 2018
    Publication date: August 20, 2020
    Applicant: NEC CORPORATION
    Inventors: Toshinori HOSOI, Yuji OHNO, Masahiro KUBO, Masahiro HAYASHITANI, Shigemi KITAHARA
  • Publication number: 20200258617
    Abstract: A first prediction unit 81 predicts a transfer destination of a target patient, based on inputted information on the target patient and a first prediction model for prediction of a transfer destination of a patient. A second prediction unit 82 predicts a treatment completion period of the target patient, based on information on the target patient and a second prediction model for prediction of a treatment completion period of a patient. An acquisition unit 83 acquires facility information including an operation status of each facility. A determination unit 84 determines a facility that satisfies a requirement of a transfer destination from among the facilities, based on the facility information that has been acquired and the transfer destination and the treatment completion period that have been predicted. An output unit 85 outputs a result determined by the determination unit 84.
    Type: Application
    Filed: September 20, 2018
    Publication date: August 13, 2020
    Applicant: NEC CORPORATION
    Inventors: Masahiro HAYASHITANI, Masahiro KUBO
  • Publication number: 20200243196
    Abstract: The purpose of the present invention is to estimate response information with which it is possible to quickly relieve problems caused by agitation, the state of the patient, etc. A biological information processing system comprises: a determination unit that, on the basis of the features of biological information of a subject patient to be entered, determines discrimination information indicating whether the condition of the patient has changed in comparison with a normal state, and an estimation unit that estimates countermeasure information oriented for the patient on the basis of the discrimination information and countermeasure prediction parameters learned in advance.
    Type: Application
    Filed: October 5, 2018
    Publication date: July 30, 2020
    Applicant: NEC CORPORATION
    Inventors: Yuji OHNO, Masahiro KUBO, Hiroaki FUKUNISHI, Masahiro HAYASHITANI, Yuan LUO, Yutaka UNO, Shigemi KITAHARA
  • Patent number: 10462016
    Abstract: A communication control system to obtain required reliability for an entire network is provided. The communication control system includes: a means for obtaining, based on a load status of a control device that controls nodes included in a network and receives a content of a control signal sent and received between the nodes as a status notification signal, a capability for processing the status notification signal; a means for determining, based on network status information related to communication on the network, area segments each including an arbitrarily number of the nodes; and a means for calculating, based on the capability, a sending interval of the status notification signal of the node for each of the area segments, and sending the sending interval to the node included in the corresponding area segment.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: October 29, 2019
    Assignee: NEC CORPORATION
    Inventors: Masahiro Hayashitani, Yasuhiro Mizukoshi
  • Publication number: 20170353360
    Abstract: A communication control system to obtain required reliability for an entire network is provided. The communication control system includes: a means for obtaining, based on a load status of a control device that controls nodes included in a network and receives a content of a control signal sent and received between the nodes as a status notification signal, a capability for processing the status notification signal; a means for determining, based on network status information related to communication on the network, area segments each including an arbitrarily number of the nodes; and a means for calculating, based on the capability, a sending interval of the status notification signal of the node for each of the area segments, and sending the sending interval to the node included in the corresponding area segment.
    Type: Application
    Filed: January 13, 2016
    Publication date: December 7, 2017
    Applicant: NEC CORPORATION
    Inventors: Masahiro HAYASHITANI, Yasuhiro MIZUKOSHI
  • Patent number: 9544223
    Abstract: A communication system includes: a plurality of nodes each of which is configured to include OAM (Operation Administration and Maintenance) functions; and a control apparatus configured to control the plurality of nodes. Each of the nodes transmits a status change notification including information about a port(s) affected by a failure(s) that has occurred in a network composed by the plurality of nodes to the control apparatus. The control apparatus determines whether to perform route control on the network on the basis of the status change notification and information about a composition of the network.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: January 10, 2017
    Assignee: NEC CORPORATION
    Inventors: Masahiro Hayashitani, Yohei Hasegawa
  • Publication number: 20160197817
    Abstract: A network system includes a plurality of nodes (51) and a control device (50), and the plurality of nodes (51) include a packet transfer unit (1) that transfers a packet between a first route and a second route, and an electric buffer (2) that transfers the packet between the packet transfer unit (1) and the second route, and the control device (50) includes a traffic aggregation unit (5) that aggregates routes of traffic in accordance with the traffic flowing in the network, and a power control unit (3) that selects and controls any one of power of the electric buffer (2) and power of the whole node (51) in accordance with the aggregate traffic route. It is thereby possible to provide a network system capable of achieving lower energy consumption.
    Type: Application
    Filed: March 4, 2014
    Publication date: July 7, 2016
    Inventor: Masahiro HAYASHITANI
  • Publication number: 20160150301
    Abstract: A packet transfer system includes a packet transfer unit (1) that transfers a packet between a first route and a second route, an electric buffer (2) that electrically stores and transfers the packet between the packet transfer unit (1) and the second route, and a power control unit (3) that controls power of the electric buffer (2) in accordance with traffic flowing through the electric buffer (2). It is thereby possible to provide a packet transfer system, a control device, a control method, and a non-transitory computer-readable medium storing a control program capable of achieving lower energy consumption.
    Type: Application
    Filed: March 4, 2014
    Publication date: May 26, 2016
    Inventor: Masahiro HAYASHITANI
  • Patent number: 9246753
    Abstract: A method and a device for predicting and determining a failure include a signal monitor that monitors the signal quality of each link, a signal quality prediction section that predicts future signal quality by using given forecast information and information on the monitored signal quality, and a failure prediction determination section that, depending on a degree of deterioration of the predicted signal quality with respect to a link, determines to bypass the link or to lower the symbol rate of the link.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: January 26, 2016
    Assignee: NEC CORPORATION
    Inventor: Masahiro Hayashitani
  • Publication number: 20150295818
    Abstract: A communication system includes: a plurality of nodes each of which is configured to include OAM (Operation Administration and Maintenance) functions; and a control apparatus configured to control the plurality of nodes. Each of the nodes transmits a status change notification including information about a port(s) affected by a failure(s) that has occurred in a network composed by the plurality of nodes to the control apparatus. The control apparatus determines whether to perform route control on the network on the basis of the status change notification and information about a composition of the network.
    Type: Application
    Filed: November 14, 2013
    Publication date: October 15, 2015
    Applicant: NEC CORPORATION
    Inventors: Masahiro Hayashitani, Yohei Hasegawa
  • Publication number: 20150117194
    Abstract: A network control method and device collect a network state in a network through an edge device. On the basis of the network state, the network control device guides traffic transmitted from a user site, through the edge device to a specific route in the network or a specific receiving end.
    Type: Application
    Filed: April 16, 2012
    Publication date: April 30, 2015
    Applicant: NEC Corporation
    Inventors: Itaru Nishioka, Masahiro Hayashitani
  • Patent number: 8929734
    Abstract: In order to realize a multiplexer/demultiplexer in which utilization efficiency of a frequency is high, wavelength characteristics of a transmission band is flat, the cost is low, the size is small, and a wavelength and a band are variable, the multiplexer/demultiplexer includes: first light branching means for branching inputted light into plurality of pieces of light and outputting the branched pieces of light; a plurality of light wavelength separating means for separating and outputting light outputted from the first light branching means for each of predetermined frequency bands; and an optical coupling means for making outputs having frequency bands different from each other among outputs from the light wavelength separating means gather and be outputted.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: January 6, 2015
    Assignee: NEC Corporation
    Inventors: Kenji Mizutani, Akio Tajima, Masahiro Sakauchi, Tomoyuki Hino, Masahiro Hayashitani, Hiroyuki Takagi
  • Patent number: 8908502
    Abstract: A communication system comprises: failure detection means that detects a failure on a first transmission path over which data transmission is being performed; transmission path setting means that, when the failure exists in a link or a node that is located immediately before its own node, sets a second transmission path as far as a transmission terminal node, the second transmission path that excludes a path from the transmission terminal node to a node that has detected the failure within the first transmission path; first failure notification means that transmits a failure notification signal as far as the transmission terminal node over the second transmission path; new path switching means that, upon receipt of the failure notification signal, switches a switch for data transmission so that a path for new data transmission is the same path as a transmission path for the failure notification signal; and data transmission means that, upon the transmission terminal node receiving the failure notification sig
    Type: Grant
    Filed: September 17, 2009
    Date of Patent: December 9, 2014
    Assignee: NEC Corporation
    Inventor: Masahiro Hayashitani