Patents by Inventor Manabu Kusumoto

Manabu Kusumoto 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: 11560698
    Abstract: A state analysis device is capable of determining a state of the interior of piping with high precision, and includes: an index calculation means for deriving an index indicating the state of the piping, based on a flow speed of fluid flowing out of the piping, and a fluid pressure of the interior of the piping at two or more locations of the piping; and a determination means for determining the state of the piping, based on the index.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: January 24, 2023
    Assignee: NEC CORPORATION
    Inventors: Masatake Takahashi, Manabu Kusumoto, Jun Sakai
  • Patent number: 11454354
    Abstract: A pipe diagnosis apparatus 10 includes a simulation execution unit 11 that simulates vibrations of pressure in a pipe included in piping equipment to be diagnosed, based on pipe information for specifying a configuration of the piping equipment, and a stress analysis unit 12 that calculates stress that occurs in a pipe included in the piping equipment, based on pressure vibrations acquired through simulation.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: September 27, 2022
    Assignee: NEC CORPORATION
    Inventor: Manabu Kusumoto
  • Publication number: 20220163582
    Abstract: A fault point locating apparatus according to the present disclosure includes: a frequency characteristic calculation unit configured to calculate frequency characteristics after occurrence of a fault; and a post-fault-occurrence model analysis unit configured to add a model of a fault point to a pre-fault-occurrence model of a power transmission-and-distribution network so as to match the frequency characteristics after the occurrence of the fault and create a post-fault-occurrence model, thereby locating a fault point.
    Type: Application
    Filed: March 26, 2019
    Publication date: May 26, 2022
    Applicant: NEC Corporation
    Inventor: Manabu KUSUMOTO
  • Patent number: 10996202
    Abstract: To acquire information relating to degradation of a pipe on the basis of information that can be acquired using a simple method. The analysis device according to one embodiment is provided with: a determining unit for determining whether or not the accuracy of a pipe network model based on information that includes a parameter that changes in value in accordance with degradation of a pipe satisfies a predetermined criterion; and a derivation unit for deriving information relating to degradation of the pipe, based on the parameter, if the accuracy satisfies the predetermined criterion.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: May 4, 2021
    Assignee: NEC CORPORATION
    Inventors: Manabu Kusumoto, Katsumi Kikuchi, Takahiro Kumura
  • Patent number: 10956641
    Abstract: The purpose of the present invention is to facilitate evaluating the precision of a pipe network model without using flow information. An analysis device according to an embodiment of the present invention comprises a transfer characteristic derivation unit which derives a transfer characteristic which represents a relation between a voltage in a plurality of nodes which are included in an electrical circuit which is a model of a pipe network through which a fluid flows and a voltage in an interior node which is a different node of the electrical circuit from the plurality of nodes, and a computation unit which, on the basis of the transfer characteristic and the pressure of the fluid at positions within the pipe network which correspond to the plurality of nodes, computes the pressure of the fluid at a position within the pipe network which corresponds to the interior node.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: March 23, 2021
    Assignee: NEC CORPORATION
    Inventor: Manabu Kusumoto
  • Publication number: 20200378561
    Abstract: A pipe diagnosis apparatus 10 includes a simulation execution unit 11 that simulates vibrations of pressure in a pipe included in piping equipment to be diagnosed, based on pipe information for specifying a configuration of the piping equipment, and a stress analysis unit 12 that calculates stress that occurs in a pipe included in the piping equipment, based on pressure vibrations acquired through simulation.
    Type: Application
    Filed: January 17, 2018
    Publication date: December 3, 2020
    Applicant: NEC Corporation
    Inventor: Manabu KUSUMOTO
  • Publication number: 20200370285
    Abstract: A state analysis device is capable of determining a state of the interior of piping with high precision, and includes: an index calculation means for deriving an index indicating the state of the piping, based on a flow speed of fluid flowing out of the piping, and a fluid pressure of the interior of the piping at two or more locations of the piping; and a determination means for determining the state of the piping, based on the index.
    Type: Application
    Filed: August 2, 2018
    Publication date: November 26, 2020
    Applicant: NEC CORPORATION
    Inventors: Masatake TAKAHASHI, Manabu KUSUMOTO, Jun SAKAI
  • Publication number: 20200340882
    Abstract: The pipeline diagnosing device is provided with a simulation executing unit 11 which, on the basis of pipeline information specifying the configuration of a pipeline facility to be diagnosed, executes a simulation of pressure oscillations in a pipeline in the pipeline facility, a fatigue cycle analyzing unit 12 which calculates a fatigue cycle of the pipeline from the pressure oscillation simulation results and measured data of pressure, and an indicator calculating unit 13 which calculates an indicator representing a failure risk of the pipeline, from the fatigue cycle analyzed by the fatigue cycle analyzing unit 12. In this way, a degree of fatigue progress is obtained and a replacement time for the pipeline is estimated from stresses occurring in the pipeline and the number of times stress fluctuations are repeated.
    Type: Application
    Filed: March 11, 2019
    Publication date: October 29, 2020
    Applicant: NEC Corporation
    Inventor: Manabu KUSUMOTO
  • Publication number: 20200293708
    Abstract: The purpose of the present invention is to facilitate evaluating the precision of a pipe network model without using flow information. An analysis device according to an embodiment of the present invention comprises a transfer characteristic derivation unit which derives a transfer characteristic which represents a relation between a voltage in a plurality of nodes which are included in an electrical circuit which is a model of a pipe network through which a fluid flows and a voltage in an interior node which is a different node of the electrical circuit from the plurality of nodes, and a computation unit which, on the basis of the transfer characteristic and the pressure of the fluid at positions within the pipe network which correspond to the plurality of nodes, computes the pressure of the fluid at a position within the pipe network which corresponds to the interior node.
    Type: Application
    Filed: March 17, 2017
    Publication date: September 17, 2020
    Applicant: NEC Corporation
    Inventor: Manabu KUSUMOTO
  • Patent number: 10776945
    Abstract: Provided are a reference scale and dimension measurement system that make it possible to maintain accurate measurement even if the reference scale is not disposed or projected on a measurement surface.
    Type: Grant
    Filed: July 19, 2016
    Date of Patent: September 15, 2020
    Assignee: NEC CORPORATION
    Inventors: Kenichiro Fukushi, Manabu Kusumoto, Yoshio Kameda, Hisashi Ishida, Chenpin Hsu, Takeo Nozaki
  • Publication number: 20200049595
    Abstract: A pipe diagnosis apparatus 10 includes a time-series data acquisition unit 11 that acquires time-series data on pressure of a fluid in piping equipment to be diagnosed, a pressure change measurement unit 12 that measures the number of pressure changes in the fluid from the time-series data on the pressure of the fluid, and a failure risk estimation unit 13 that estimates a failure risk of the piping equipment based on the measured number of pressure changes and a strength of a pipe included in the piping equipment.
    Type: Application
    Filed: January 23, 2018
    Publication date: February 13, 2020
    Applicant: NEC Corporation
    Inventors: Jun SAKAI, Takahiro KUMURA, Manabu KUSUMOTO, Soichiro TAKATA
  • Patent number: 10474776
    Abstract: An apparatus, method and the like which enables to represent a pipe network transporting a fluid by use of electrical circuit network is provided. The pipe network analysis apparatus includes; processing circuitry configured to receive a pipe network model that represents a pipe network being constituted by one or more piping elements, convert at least one piping element to an element of an electric circuit being configured to represent a non-linear relation between a pressure and a flow rate of the fluid in the piping elements by use of a relation between a voltage and a current, and generate a model representing an electric circuit network expressing the pipe network, by use of the element of the electric circuit; and an output device configured to provide the model analyzable by a specific electric circuit simulator.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: November 12, 2019
    Assignee: NEC Corporation
    Inventors: Manabu Kusumoto, Yuichi Nakamura, Takahiro Kumura
  • Publication number: 20190154637
    Abstract: To acquire information relating to degradation of a pipe on the basis of information that can be acquired using a simple method. The analysis device according to one embodiment is provided with: a determining unit for determining whether or not the accuracy of a pipe network model based on information that includes a parameter that changes in value in accordance with degradation of a pipe satisfies a predetermined criterion; and a derivation unit for deriving information relating to degradation of the pipe, based on the parameter, if the accuracy satisfies the predetermined criterion.
    Type: Application
    Filed: May 11, 2017
    Publication date: May 23, 2019
    Applicant: NEC Corporation
    Inventors: Manabu KUSUMOTO, Katsumi KIKUCHI, Takahiro KUMURA
  • Patent number: 10048658
    Abstract: An information processing device according to the present invention, includes: an information accumulation unit which receives and accumulates control-target information that includes information related to a control target and an environment including the control target; a prediction-equation-set learning and generation unit which learns and generates a prediction-equation set to be used for determination of an operation quantity of the control target based on the control-target information accumulated in the information accumulation unit; and an operation-quantity determination unit which receives input information needed for determination of an operation quantity of the control target, constructs a predictive-control model of the control target based on the prediction-equation set, the control-target information accumulated in the information accumulation unit, the control-target information received, and the input information, and determines an operation quantity used for control of the control target.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: August 14, 2018
    Assignee: NEC CORPORATION
    Inventors: Yoshio Kameda, Takeo Nozaki, Satoshi Morinaga, Manabu Kusumoto
  • Publication number: 20180225843
    Abstract: Provided are a reference scale and dimension measurement system that make it possible to maintain accurate measurement even if the reference scale is not disposed or projected on a measurement surface.
    Type: Application
    Filed: July 19, 2016
    Publication date: August 9, 2018
    Applicant: NEC Corporation
    Inventors: Kenichiro FUKUSHI, Manabu KUSUMOTO, Yoshio KAMEDA, Hisashi ISHIDA, Chenpin HSU, Takeo NOZAKI
  • Patent number: 9830420
    Abstract: A design support device having a permissible power supply fluctuation deriving unit and a target impedance deriving unit. The permissible power supply fluctuation deriving unit derives the fluctuation in the power supply voltage that is permissible on the basis of jitter-voltage correlation information, which indicates the correlation between the power supply voltage fluctuation generated in an I/O buffer and the jitter generated by the power supply voltage fluctuations, and jitter constraint information, which is for stably transmitting a signal, for the generated jitter. The target impedance deriving unit derives a target impedance in the permissible range of impedance for a power supply circuit, on the basis of information on the signal operating current flowing through the power supply circuit of the I/O buffer, and the power supply voltage fluctuation.
    Type: Grant
    Filed: January 14, 2014
    Date of Patent: November 28, 2017
    Assignee: NEC Corporation
    Inventors: Masashi Ogawa, Manabu Kusumoto, Hisashi Ishida
  • Publication number: 20170308635
    Abstract: An apparatus, method and the like which enables to represent a pipe network transporting a fluid by use of electrical circuit network is provided. The pipe network analysis apparatus includes; processing circuitry configured to receive a pipe network model that represents a pipe network being constituted by one or more piping elements, convert at least one piping element to an element of an electric circuit being configured to represent a non-linear relation between a pressure and a flow rate of the fluid in the piping elements by use of a relation between a voltage and a current, and generate a model representing an electric circuit network expressing the pipe network, by use of the element of the electric circuit; and an output device configured to provide the model analyzable by a specific electric circuit simulator.
    Type: Application
    Filed: October 20, 2015
    Publication date: October 26, 2017
    Applicant: NEC Corporation
    Inventors: Manabu KUSUMOTO, Yuichi NAKAMURA, Takahiro KUMURA
  • Patent number: 9536033
    Abstract: Provided are an EMI characteristic derivation unit which derives an EMI characteristic radiated from a cable based on design information of a circuit board connected with the cable; a determination standard database which stores an EMI tolerance condition which is a tolerance condition for the EMI characteristic; an EMI condition determination unit which determines whether the EMI characteristic satisfies the EMI tolerance condition; an improvement effect database which stores a modification guideline to modify a configuration of the circuit board necessary to satisfy the EMI tolerance condition when the EMI characteristic does not satisfy the EMI tolerance condition and an improvement effect corresponding to the modification guideline; a restriction item database which stores a restriction item applied when the configuration of the board is modified; and a configuration modification unit which performs the configuration modification of the board in accordance with the modification guideline and the restricti
    Type: Grant
    Filed: September 18, 2013
    Date of Patent: January 3, 2017
    Assignee: NEC CORPORATION
    Inventors: Masashi Ogawa, Manabu Kusumoto, Hisashi Ishida, Ken Morishita, Masashi Kawakami
  • Publication number: 20160209817
    Abstract: An information processing device according to the present invention, includes: an information accumulation unit which receives and accumulates control-target information that includes information related to a control target and an environment including the control target; a prediction-equation-set learning and generation unit which learns and generates a prediction-equation set to be used for determination of an operation quantity of the control target based on the control-target information accumulated in the information accumulation unit; and an operation-quantity determination unit which receives input information needed for determination of an operation quantity of the control target, constructs a predictive-control model of the control target based on the prediction-equation set, the control-target information accumulated in the information accumulation unit, the control-target information received, and the input information, and determines an operation quantity used for control of the control target.
    Type: Application
    Filed: May 8, 2014
    Publication date: July 21, 2016
    Applicant: NEC Corporation
    Inventors: YOSHIO KAMEDA, TAKEO NOZAKI, SATOSHI MORINAGA, MANABU KUSUMOTO
  • Publication number: 20150363538
    Abstract: A design support device having a permissible power supply fluctuation deriving unit and a target impedance deriving unit. The permissible power supply fluctuation deriving unit derives the fluctuation in the power supply voltage that is permissible on the basis of jitter-voltage correlation information, which indicates the correlation between the power supply voltage fluctuation generated in an I/O buffer and the jitter generated by the power supply voltage fluctuations, and jitter constraint information, which is for stably transmitting a signal, for the generated jitter. The target impedance deriving unit derives a target impedance in the permissible range of impedance for a power supply circuit, on the basis of information on the signal operating current flowing through the power supply circuit of the I/O buffer, and the power supply voltage fluctuation.
    Type: Application
    Filed: January 14, 2014
    Publication date: December 17, 2015
    Applicant: NEC Corporation
    Inventors: Masashi OGAWA, Manabu KUSUMOTO, Hisashi ISHIDA