Patents by Inventor Eisuke Saneyoshi

Eisuke Saneyoshi 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: 20170338679
    Abstract: A supply-and-demand adjustment system, that utilizes characteristics of supply-and-demand adjustment apparatuses and precisely matches a total supply-and-demand adjustment amount with a required adjustment amount when performing a supply-and-demand adjustment.
    Type: Application
    Filed: August 8, 2017
    Publication date: November 23, 2017
    Applicant: NEC Corporation
    Inventors: Hisato SAKUMA, Koji KUDO, Hitoshi YANO, Kazuhiko AOKI, Yoshiho YANAGITA, Yuma IWASAKI, Ryo HASHIMOTO, Eisuke SANEYOSHI, Takahiro TOIZUMI
  • Publication number: 20170199265
    Abstract: A monitoring system including a plurality of monitoring devices (20) and a server (10) is provided. When new device data including a feature amount of a new electrical device different form existing electrical devices is extracted from measurement data (current consumption or the like), the monitoring device (20) calibrates the feature amount of the new electrical device using calibration data generated based on calibration data of the exiting electrical device, and transmits the new device data to the server (10) in association with identification information of the new electrical device. When the calibrated new device data of the new electrical device is received from the plurality of monitoring devices (20), the server (10) generates and registers training data of the new electrical device based on the plurality of pieces of calibrated new device data.
    Type: Application
    Filed: March 13, 2015
    Publication date: July 13, 2017
    Inventors: Takahiro TOIZUMI, Eisuke SANEYOSHI, Katsuya SUZUKI, Kosuke HOMMA, Ryo HASHIMOTO, Koji KUDO
  • Publication number: 20170184643
    Abstract: A training data generation device (10) includes: a measurement data acquisition unit (11) that acquires measurement data including waveform data including at least one of a current consumption waveform, an input voltage waveform, and a power consumption waveform along a time axis of an electrical device and power consumption value data indicating time-series power consumption values of the electrical device; an analysis unit (12) that analyzes a rate of occurrence of each power consumption value using the power consumption value data; a specifying unit (13) that specifies one or more specific power consumption value bands including a power consumption value with the higher rate of occurrence than that of a standard power consumption value and having a predetermined power value width; a feature amount extraction unit (14) that determines a representative power value for each specific power consumption value band and extracts a feature amount using the waveform data; and a storage unit (15) that stores a pair o
    Type: Application
    Filed: March 17, 2015
    Publication date: June 29, 2017
    Applicant: NEC Corporation
    Inventors: Kosuke HOMMA, Eisuke SANEYOSHI, Ryo HASHIMOTO, Takahiro TOIZUMI
  • Publication number: 20170176503
    Abstract: A monitoring device (10) includes a unit-specific waveform data acquisition unit (11) that acquires waveform data in a unit in which electrical devices are installed; a first inference unit (13) that infers change in operation states of at least some of the electrical devices based on a first monitoring difference group including at least one of at least one kind of feature amount extracted from waveform data of a difference between waveform data of a first timing and waveform data of a second timing in the waveform data, and a differences of at least one kind of feature amounts extracted from the waveform data of the first timing and the waveform data of the second timing, and training difference information regarding a difference between a first operation state and a second operation state of each of the electrical devices; and a second inference unit (14) that infers an operation state of each of the electrical devices based on an inference result of the first inference unit (13).
    Type: Application
    Filed: January 23, 2015
    Publication date: June 22, 2017
    Inventors: Eisuke SANEYOSHI, Koji KUDO, Ryo HASHIMOTO, Kosuke HOMMA, Takahiro TOIZUMI
  • Publication number: 20170176502
    Abstract: A monitoring device (10) includes: a unit-specific waveform data acquisition unit (12) that acquires unit-specific monitoring waveform data which is waveform data of at least one among total current consumption, a total input voltage, and total power consumption in a unit in which monitoring target electrical devices are installed; a first inference unit (13) that infers operation states of at least some of the monitoring target electrical devices based on a 1st feature amount group including at least one kind of feature amount extracted from the unit-specific monitoring waveform data, and a training feature amount which is a feature amount of each of the monitoring target electrical devices in a predetermined operation state; and a second inference unit (14) that infers the operation states of some of the monitoring target electrical devices based on a 2nd feature amount group including at least one kind of feature amount extracted from the unit-specific monitoring waveform data, and different from the 1st f
    Type: Application
    Filed: January 23, 2015
    Publication date: June 22, 2017
    Inventors: Eisuke SANEYOSHI, Ryo HASHIMOTO, Kosuke HOMMA, Koji KUDO, Takahiro TOIZUMI
  • Publication number: 20160349294
    Abstract: A monitoring device (10) includes a feature amount storage unit (11) that stores a device feature amount which is a feature amount of each of a plurality of electrical devices installed in a predetermined unit in operation; a measured data acquisition unit (12) that acquires measured data of the predetermined unit which is at least one of a total current consumption, a total power consumption, and a voltage measured in the predetermined unit; a feature amount extraction unit (13) that acquires a measurement feature amount which is the feature amount included in the measured data of the predetermined unit; a correction unit (15) that corrects a first feature amount which is the device feature amount or the measurement feature amount based on unit feature information indicating a feature of the predetermined unit; and a presumption unit (16) that presumes the electrical device being in operation using the corrected first feature amount, and a second feature amount which is the device feature amount or the measu
    Type: Application
    Filed: January 7, 2015
    Publication date: December 1, 2016
    Inventors: Eisuke SANEYOSHI, Takahiro TOIZUMI, Kosuke HOMMA, Ryo HASHIMOTO, Katsuya SUZUKI
  • Publication number: 20160291557
    Abstract: A time range setting unit (110) sets an operation startable time point at which an operation can be started and a target operation end time point which is the latest time point among time points at which the operation is to be ended, with respect to each of plural power demanding objects (20). A necessary operation time setting unit (120) sets a necessary operation time with respect to each of the plural power demanding objects (20). A shape information acquisition unit (130) acquires shape information from a schedule management device (40). The shape information indicates an assumed shape of a transition line that represents transition in the amount of supplied power in a target period.
    Type: Application
    Filed: September 29, 2014
    Publication date: October 6, 2016
    Applicant: NEC Corporation
    Inventors: Ryo HASHIMOTO, Hitoshi YANO, Hisato SAKUMA, Koji KUDO, Eisuke SANEYOSHI, Takahiro TOIZUMI, Kosuke HOMMA, Yuma IWASAKI
  • Publication number: 20160274607
    Abstract: A battery control device controlling an operation of a battery connected to a power system includes detection means that detects battery-related information that shows a state of the battery, or a voltage of an interconnection point of the power system and the battery, first communication means that transmits a detection result of the detection means to an external device, and receives operation control information to control the operation of the battery from the external device, and control means that controls the operation of the battery, based on a state of the power system and the operation control information received by the first communication means.
    Type: Application
    Filed: February 6, 2014
    Publication date: September 22, 2016
    Applicant: NEC Corporation
    Inventors: Koji KUDO, Hisato SAKUMA, Hitoshi YANO, Kazuhiko AOKI, Yoshiho YANAGITA, Yuma IWASAKI, Ryo HASHIMOTO, Eisuke SANEYOSHI, Takahiro TOIZUMI
  • Publication number: 20160226249
    Abstract: A control device for controlling the operation of a supply and demand adjustment device that is connected to a power grid includes: detection means for detecting the state of the supply and demand adjustment device; communication means for transmitting the detection result of the detection means to an external device and receiving from the external device operation control information for controlling the operation of the supply and demand adjustment device; comprehension means for receiving and comprehending an adjustment power amount transmitted by bidirectional communication or one-way communication; and control means for, based on the adjustment power amount and the operation control information, controlling the operation of the supply and demand adjustment device.
    Type: Application
    Filed: September 11, 2014
    Publication date: August 4, 2016
    Inventors: Hisato SAKUMA, Koji KUDO, Hitoshi YANO, Ryo HASHIMOTO, Eisuke SANEYOSHI, Takahiro TOIZUMI, Kosuke HOMMA, Alexander VIEHWEIDER, Katsuya SUZUKI
  • Publication number: 20160226261
    Abstract: Acquisition unit 184 acquires an adjustment period in which power supply and demand is adjusted, and adjustment power which is power to be adjusted in the adjustment period. Adjustment target determining unit 185 requests an adjustment target storage battery to be charged or discharged at a predetermined electricity rate in the adjustment period and determines, based on the adjustment power, adjustment target storage batteries from among the storage batteries that have responded to the request. In the adjustment period, control unit 186 causes the adjustment target storage batteries to charge or discharge electricity at the predetermined electricity rate and causes a non-adjusted storage battery that is different from the adjustment target storage battery to charge or discharge electricity at an electricity rate different from the predetermined electricity rate.
    Type: Application
    Filed: August 26, 2014
    Publication date: August 4, 2016
    Applicant: NEC CORPORATION
    Inventors: Hitoshi YANO, Ryo HASHIMOTO, Hisato SAKUMA, Koji KUDO, Eisuke SANEYOSHI, Takahiro TOIZUMI
  • Publication number: 20160164329
    Abstract: In order to solve the problem of a power grid becoming unstable due to a sharp increase in demand for electric power, the present invention provides a power control system to control the supply of electric power to a load or a storage battery in which the time period for supplying electric power is regulated. A power control system (101) of the present invention includes a receiving means (102) for acquiring power supply information including the amount of electric power to be supplied to other loads or storage batteries and a time period to supply electric power and, a determining means (105) for determining a time period to supply electric power to the load or storage battery based on the power supply information. Supplying electric power supply to the load or storage battery is performed in the time period determined by the determining means, so as to prevent timing congestion for supplying electric power.
    Type: Application
    Filed: July 2, 2014
    Publication date: June 9, 2016
    Applicant: NEC CORPORATION
    Inventors: Ryo HASHIMOTO, Hitoshi YANO, Hisato SAKUMA, Koji KUDO, Eisuke SANEYOSHI, Takahiro TOIZUMI
  • Publication number: 20160154038
    Abstract: Provided is a monitoring apparatus including an acquisition unit that acquires first time-series data which is time-series data of a measured value and/or a feature amount regarding an electrical device group, and a registration and updating unit that, when a difference in values between a pre-state-change data value which is any one of a data value at a first point in time in the first time-series data and a statistic of a plurality of data values from a point in time earlier than the first point in time by a predetermined period of time to the first point in time and a post-state-change data value which is any one of a data value at a second point in time later than the first point in time and a statistic of a plurality of data values from the second point in time to a point in time later than the second point in time by a predetermined period of time satisfies a predetermined condition, stores a feature amount extracted from any waveform data of a total current consumption, a total power consumption, and a
    Type: Application
    Filed: July 7, 2014
    Publication date: June 2, 2016
    Applicant: NEC CORPORATION
    Inventors: Takahiro TOIZUMI, Eisuke SANEYOSHI, Koji KUDO, Hitoshi YANO, Ryo HASHIMOTO, Yuma IWASAKI, Hisato SAKUMA
  • Publication number: 20160134145
    Abstract: A supply and demand adjustment system, that utilizes characteristics of a supply-and-demand adjustment apparatuses and precisely matches the total supply-and-demand adjustment amount with a required adjustment amount, when adjusting supply and demand, is provided.
    Type: Application
    Filed: February 28, 2014
    Publication date: May 12, 2016
    Applicant: NEC Corporation
    Inventors: Hisato SAKUMA, Koji KUDO, Hitoshi YANO, Kazuhiko AOKI, Yoshiho YANAGITA, Yuma IWASAKI, Ryo HASHIMOTO, Eisuke SANEYOSHI, Takahiro TOIZUMI
  • Publication number: 20160006246
    Abstract: An energy management system and an energy management method enable an improvement of the balance between power supply and demand. A storage battery (52) is connected to a power line (42) that transmits outside power. A storage battery controller (54) receives a control signal indicating a reduced use period during which the consumption of the outside power by a consumer apparatus (43) connected to the power line (42) is to be reduced, acquires an index value that has a correlation with the demand for outside power, and on the basis of the control signal and the index value, adjusts the amount of charging/discharging of the storage battery (52).
    Type: Application
    Filed: December 17, 2013
    Publication date: January 7, 2016
    Applicant: NEC Corporation
    Inventors: Hitoshi YANO, Ryo HASHIMOTO, Yuma IWASAKI, Eisuke SANEYOSHI, Hisato SAKUMA, Koji KUDO
  • Publication number: 20160006248
    Abstract: A power flow control system is provided that is capable of improving the reliability of controlling power flow fluctuation and creating wide applicability for systems that control power flow fluctuation. A power-varying device (101) varies the distribution line power amount, which is a value of the power flow that flows in a distribution line (112) to which is connected a plurality of power sources (111) that each generate power. A measurement device (102) measures an index value relating to the total generated power amount, which is the sum total of the amount of power generated by each of the power sources. A calculation device (103) estimates the total generated power amount from the index value, and according to the estimation result, regulates the amount of change in the distribution line power amount that is changed by the power-varying device.
    Type: Application
    Filed: December 4, 2013
    Publication date: January 7, 2016
    Inventors: Hisato SAKUMA, Koji KUDO, Hitoshi YANO, Kazuhiko AOKI, Yoshiho YANAGITA, Eisuke SANEYOSHI, Yuma IWASAKI, Ryo HASHIMOTO, Takahiro TOIZUMI
  • Publication number: 20150220098
    Abstract: A time point range setting unit (110) sets an operation startable time point when an operation is startable, and an operation end target time point which is a latest time point among time points when the operation is to be ended, with respect to each of plural power-consuming bodies (20). A necessary operation time setting unit (120) sets a necessary operation time with respect to each of the plural power-consuming bodies (20). A shape information obtaining unit (130) obtains shape information from a schedule management apparatus (40). The shape information represents an assumed shape of a transition line indicating transition in the amount of power supplied in a target period.
    Type: Application
    Filed: September 20, 2013
    Publication date: August 6, 2015
    Inventors: Ryo Hashimoto, Hitoshi Yano, Hisato Sakuma, Koji Kudo, Eisuke Saneyoshi, Yuma Iwasaki, Takahiro Toizumi
  • Publication number: 20140218060
    Abstract: In order to measure a state of degradation of a semiconductor integrated circuit more correctly by use of a simple configuration, a degradation diagnosing circuit includes: a test block including a first circuit which is an object of a degradation diagnosis; a reference block including a second circuit which has a configuration identical with a configuration of the first circuit; a judgment unit that judges whether a component of the test block is degraded or not by comparing a characteristic of a first signal outputted from the test block, and a characteristic of a second signal outputted from the reference block, in the case in which a signal indicating a measurement mode is inputted; and a control unit that outputs the signal which indicates the measurement mode to the judgment unit.
    Type: Application
    Filed: August 15, 2012
    Publication date: August 7, 2014
    Applicant: NEC CORPORATION
    Inventor: Eisuke Saneyoshi
  • Patent number: 8674774
    Abstract: There is provided an aging diagnostic device including: a reference ring oscillator (101) that constitutes a ring oscillator using an odd-numbered plurality of logic gates constituted using a CMOS circuit; a test ring oscillator (102) that constitutes a ring oscillator using an odd-numbered plurality of logic gates having the same configuration as that of the logic gate; a load unit (104) that inputs a load signal to the test ring oscillator (102); a control unit (105) that simultaneously inputs a control signal instructing a start of oscillation of the reference ring oscillator (101) and the test ring oscillator (102) to the reference ring oscillator (101) and the test ring oscillator (102); and a comparison unit (103) that compares differences in the amount of movement of pulses within the reference ring oscillator (101) and the test ring oscillator (102), respectively, in the same time.
    Type: Grant
    Filed: September 1, 2010
    Date of Patent: March 18, 2014
    Assignee: NEC Corporation
    Inventors: Eisuke Saneyoshi, Koichi Nose, Masayuki Mizuno
  • Patent number: 8444316
    Abstract: Current reading means detects an output current of a current source whose output current varies with a variation in temperature and outputs a value proportional to the output current. The temperature of the current source corresponding to the output value of the current reading means which is proportional to the output current of the current source is measured, and a parameter for converting the output value to temperature information is determined from the output value of the current reading means and the measured value of the temperature of the current source corresponding to the output value. The output value of the current reading means is converted to the temperature information using the determined parameter.
    Type: Grant
    Filed: November 27, 2008
    Date of Patent: May 21, 2013
    Assignee: NEC Corporation
    Inventors: Eisuke Saneyoshi, Koichi Nose, Mikihiro Kajita, Masayuki Mizuno
  • Publication number: 20130002274
    Abstract: Provided is an aging degradation diagnosis circuit, including: a first delay circuit including a gate array for allowing aging degradation to progress, the first delay circuit being configured to delay an input signal and output a first output signal; a second delay circuit including a gate array having the same number of stages as the first delay circuit, the second delay circuit being configured to delay an input signal and output a second output signal; and an arbitrary delay unit, which is capable of varying a delay period in the second delay circuit by a predetermined amount. A delay comparison unit outputs comparison information obtained by relatively comparing delays between the first output signal and the second output signal. An adjustment unit uses the comparison information, to thereby readjust the delay period in the second delay circuit.
    Type: Application
    Filed: March 11, 2011
    Publication date: January 3, 2013
    Applicant: NEC Corporation
    Inventors: Eisuke Saneyoshi, Koichi Nose