Patents by Inventor Genta YOSHIMURA
Genta YOSHIMURA 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).
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Publication number: 20260187501Abstract: A verification device includes: an expected output determining unit to determine whether or not all output data of an inference model for an input data area is in violation that the output data is not an expected output; an input area dividing unit to divide an area determined not to be in violation in the input data area and set a divided area as the input data area that is new of the inference model; an area ratio calculating unit to calculate a ratio of an area for each of determination results with respect to the input data area; and a display processing unit to display verification result information indicating the ratio of the area on a display device.Type: ApplicationFiled: February 18, 2026Publication date: July 2, 2026Applicant: Mitsubishi Electric CorporationInventor: Genta YOSHIMURA
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Patent number: 12572624Abstract: An object is to obtain a failure predictor detection device that is capable of more adequately detecting a failure predictor. A failure predictor detection device according to the present disclosure includes: an acquisition unit to acquire estimation data and comparison data of targeted equipment for failure predictor detection in a targeted time period for the failure predictor detection; an estimation unit to calculate an estimated value of the comparison data during a normal operation from the estimation data using a learning model; and a detection unit to detect a failure predictor of the equipment on the basis of comparison results at multiple times between the estimated values and measured values shown by the comparison data.Type: GrantFiled: October 11, 2022Date of Patent: March 10, 2026Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Naoki Taguchi, Hiroaki Hokari, Yasushi Sato, Genta Yoshimura, Toshisada Mariyama
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Patent number: 12295731Abstract: A driver availability detection device includes an information acquisition unit to acquire information related to an occupant and a threshold setting unit to set an abnormal-state determination threshold for estimating the abnormal state of the occupant on a basis of an abnormal state score obtained by inputting the information related to the occupant acquired by the information acquisition unit to a machine learning model within a first threshold setting time.Type: GrantFiled: October 4, 2019Date of Patent: May 13, 2025Assignee: Mitsubishi Electric CorporationInventors: Natsuki Tahara, Genta Yoshimura
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Patent number: 12281807Abstract: An inference device obtains an inference value of a time taken to melt frost for defrosting temperature information representing a temperature of an outdoor-side heat exchanger included by an outdoor unit of an air-conditioning apparatus or a state of change in the temperature. In the inference device, the time taken to melt frost is a period during which the temperature of the outdoor-side heat exchanger is stable within a first range. The inference device includes a first data acquisition unit that acquires the defrosting temperature information of the air-conditioning apparatus, and an inference unit that obtains, by using a trained model that infers a time taken to melt frost from the defrosting temperature information and in accordance with the defrosting temperature information acquired by the first data acquisition unit, an inference value of the time taken to melt frost for the defrosting temperature information.Type: GrantFiled: September 14, 2020Date of Patent: April 22, 2025Assignee: Mitsubishi Electric CorporationInventors: Atsushi Kawashima, Genta Yoshimura, Takuji Morimoto, Keisuke Sugiura
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Publication number: 20240370739Abstract: A trained model verification system according to the present disclosed technique includes: a rule model convertor that converts a trained model to be verified into a rule model having an input/output relationship equivalent to that of the trained model; a verification data set generator that generates a verification data set for the rule model; and a verificator that verifies the rule model or the trained model using the verification data set.Type: ApplicationFiled: July 16, 2024Publication date: November 7, 2024Applicant: Mitsubishi Electric CorporationInventors: Saori Matsunaga, Genta YOSHIMURA, Yoshihiro MITSUKA
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Patent number: 12128905Abstract: An information collection unit collects information indicating a driving operation of a vehicle by a driver and a state of the vehicle changed by the driving operation, and outputs, among the collected information, information in a period from a start point at which a driving operation contributing to stop of the vehicle is performed to a stop start point in a stop state where a stop time of the vehicle continues for a predetermined time or more, as driving operation information. A state estimation unit acquires driver state information indicating a state of the driver from a learned learner on which machine learning has been performed so as to output the driver state information when the driving operation information is input, by inputting the driving operation information output from the information collection unit to the learner and performing arithmetic processing of the learner.Type: GrantFiled: June 18, 2019Date of Patent: October 29, 2024Assignee: Mitsubishi Electric CorporationInventors: Kimika Ikegami, Takuji Morimoto, Genta Yoshimura, Shan Gao
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Publication number: 20240273367Abstract: A tsunami learning device includes: an input unit to acquire a training data set including observation data of a marine radar; and a CNN unit including CNN, to perform CNN processing on the training data set. The CNN includes a distance dimension feature extracting unit, a temporal dimension feature extracting unit, and a time-series prediction unit. The distance dimension feature extracting unit has a distance dimension convolution layer, and the distance dimension convolution layer has a filter having a size of 1 in a temporal dimension and a size of a natural number in a distance dimension. The temporal dimension feature extracting unit has a temporal dimension convolution layer, and the temporal dimension convolution layers has a convolutional filter having a size of a natural number in the temporal dimension and a size of a natural number in a distance dimension.Type: ApplicationFiled: April 15, 2024Publication date: August 15, 2024Applicant: Mitsubishi Electric CorporationInventors: Takao ENDO, Genta YOSHIMURA
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Publication number: 20240240820Abstract: An inference device obtains an inference value of a time taken to melt frost for defrosting temperature information representing a temperature of an outdoor-side heat exchanger included by an outdoor unit of an air-conditioning apparatus or a state of change in the temperature. In the inference device, the time taken to melt frost is a period during which the temperature of the outdoor-side heat exchanger is stable within a first range. The inference device includes a first data acquisition unit that acquires the defrosting temperature information of the air-conditioning apparatus, and an inference unit that obtains, by using a trained model that infers a time taken to melt frost from the defrosting temperature information and in accordance with the defrosting temperature information acquired by the first data acquisition unit, an inference value of the time taken to melt frost for the defrosting temperature information.Type: ApplicationFiled: September 14, 2020Publication date: July 18, 2024Inventors: Atsushi KAWASHIMA, Genta YOSHIMURA, Takuji MORIMOTO, Keisuke SUGIURA
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Publication number: 20240219873Abstract: An apparatus control device includes an observed value acquiring unit that acquires, from a sensor that observes an environment in which a control target apparatus is installed, an observed value of the environment, an observation predicted value acquiring unit that gives an observed value acquired to a first learning model and acquires an observation predicted value that is a future observed value from the sensor from the first learning model, and an unobservable value acquiring unit that gives an observed value acquired to a second learning model and acquires an unobservable value that is a value not directly observed by the sensor from the second learning model. In addition, the apparatus control device includes a control value calculating unit that calculates a control value of the control target apparatus using the observed value acquired, the observation predicted value acquired, and the unobservable value acquired.Type: ApplicationFiled: March 19, 2024Publication date: July 4, 2024Applicant: Mitsubishi Electric CorporationInventors: Toshisada MARIYAMA, Hiroaki HOKARI, Nobuyuki YOSHIKAWA, Genta YOSHIMURA, Yoshikuni MIYATA, Yusuke YOKOSUKA
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Publication number: 20240078468Abstract: A validation method determining device includes a data acquiring unit to acquire training data to be used for training of a predictor and test data to be used for measurement of prediction accuracy of the predictor, a validation method recommending unit to recommend a validation method for extracting the training data and validation data corresponding to a prediction target using data type information indicating data types of the training data, the test data, and column data constituting both the data, and a validation method determining unit to determine a validation method to be used for estimation of prediction performance of the predictor from a recommended validation method.Type: ApplicationFiled: November 7, 2023Publication date: March 7, 2024Applicant: Mitsubishi Electric CorporationInventors: Jun MARUTA, Genta YOSHIMURA
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Publication number: 20240048617Abstract: A management device includes: an acquisition unit that acquires operating history data for an equipment device in a prescribed time period; and a classification processing unit that classifies, based on the operating history data acquired by the acquisition unit, an operating pattern of the equipment device in the prescribed time period.Type: ApplicationFiled: October 20, 2023Publication date: February 8, 2024Applicant: Mitsubishi Electric CorporationInventors: Tomohiro NARUI, Shuichi MURAYAMA, Kazuyuki NAGAHIRO, Fuyuki SATO, Toshihiro MEGA, Genta YOSHIMURA
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Patent number: 11886842Abstract: A development assistance device includes: multiple conversion units each converting either an inputted signal value or inputted meta information into either a signal value or meta information, and outputting either the signal value after conversion or the meta information after conversion as output information; a pipeline unit causing, on the basis of pipeline information showing a relationship of mutual connections between the multiple conversion units, the multiple conversion units to sequentially perform the corresponding converting processes; an inference unit making an inference by using the output information outputted by a final conversion unit which the pipeline unit causes, on the basis of the pipeline information, to finally perform the converting process, out of the multiple conversion units; and an image generation unit generating image information for visualizing the connection relationship shown by the pipeline information, and a relationship of a connection between the final conversion unit andType: GrantFiled: June 15, 2021Date of Patent: January 30, 2024Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Takashi Matsumoto, Genta Yoshimura
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Publication number: 20230406322Abstract: An awakening level estimation device includes: processing circuitry configured to acquire two or more types of occupant state information different from each other, the occupant state information indicating a current state value of an occupant; acquire occupant basic state information indicating a basic state value of the occupant when the occupant is in an awakening state; acquire difference information indicating a difference between the current state value and the basic state value, estimate an awakening level of the occupant on the basis of the two or more types of difference information, and input the two or more types of difference information to a learned model corresponding to a leaning result by machine learning, and generating and outputting awakening level information indicating an awakening level on the basis of an estimation result output from the leaned model.Type: ApplicationFiled: December 28, 2020Publication date: December 21, 2023Applicant: Mitsubishi Electric CorporationInventors: Atsushi MATSUMOTO, Shintaro WATANABE, Yumiko OKAMOTO, Genta YOSHIMURA
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Publication number: 20230305043Abstract: An energy conservation assistance apparatus includes an event occurrence time extraction unit, a degree of change calculation unit, and a display control unit. The event occurrence time extraction unit refers to facility operation history information included in a reference period and a designated period to extract occurrence times at which a predetermined event has occurred in each of the reference period and the period of interest. The degree of change calculation unit calculates a degree of change in an operation pattern of a facility obtained from a distribution of the occurrence times at which the predetermined event has occurred in the period of interest, relative to an operation pattern of the facility obtained from a distribution of the occurrence times at which the predetermined event has occurred in the reference period. The display control unit presents information regarding a degree of change to a user.Type: ApplicationFiled: May 22, 2023Publication date: September 28, 2023Applicant: Mitsubishi Electric CorporationInventors: Toshihiro MEGA, Tomohiro NARUI, Shuichi MURAYAMA, Fuyuki SATO, Genta YOSHIMURA
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Publication number: 20220346684Abstract: A driver availability detection device includes an information acquisition unit to acquire information related to an occupant and a threshold setting unit to set an abnormal-state determination threshold for estimating the abnormal state of the occupant on a basis of an abnormal state score obtained by inputting the information related to the occupant acquired by the information acquisition unit to a machine learning model within a first threshold setting time.Type: ApplicationFiled: October 4, 2019Publication date: November 3, 2022Applicant: Mitsubishi Electric CorporationInventors: Natsuki TAHARA, Genta YOSHIMURA
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Publication number: 20220350987Abstract: The feature amount extraction device includes: a data acquisition unit to acquire time-sequential data as input time-sequential data; a multiple-filter application unit, including multiple digital filters, to apply each of the digital filters to the input time-sequential data acquired by the data acquisition unit, and output, for each of the digital filters, filter response time-sequential data that is time-sequential data including a time-sequential feature or a frequency feature after having undergone the application; and a feature amount extracting unit to extract feature amounts for a plurality of pieces of the filter response time-sequential data output from the multiple-filter application unit for each of the plurality of pieces of the filter response time-sequential data, and output the extracted feature amounts as feature amount data.Type: ApplicationFiled: July 15, 2022Publication date: November 3, 2022Applicant: Mitsubishi Electric CorporationInventors: Jun MARUTA, Genta YOSHIMURA
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Publication number: 20220315011Abstract: An information collection unit collects information indicating a driving operation of a vehicle by a driver and a state of the vehicle changed by the driving operation, and outputs, among the collected information, information in a period from a start point at which a driving operation contributing to stop of the vehicle is performed to a stop start point in a stop state where a stop time of the vehicle continues for a predetermined time or more, as driving operation information. A state estimation unit acquires driver state information indicating a state of the driver from a learned learner on which machine learning has been performed so as to output the driver state information when the driving operation information is input, by inputting the driving operation information output from the information collection unit to the learner and performing arithmetic processing of the learner.Type: ApplicationFiled: June 18, 2019Publication date: October 6, 2022Applicant: Mitsubishi Electric CorporationInventors: Kimika IKEGAMI, Takuji MORIMOTO, Genta YOSHIMURA, Shan GAO
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Publication number: 20220147851Abstract: A learning device includes: a learning data acquiring unit to acquire a plurality of pieces of learning data in which one piece of learning data is a combination of first information based on one of one or a plurality of pieces of time-series data including observation values in time series, second information based on one of a plurality of prediction periods including at least two prediction periods different from each other, and third information based on observation values after a lapse of the prediction period; and a learning unit to perform learning using the plurality of pieces of learning data acquired using information obtained by combining the first information and the second information in the learning data as an explanatory variable and using the third information as a response variable, and generate a learned model capable of inferring inference observation values after a lapse of a designated prediction period.Type: ApplicationFiled: January 21, 2022Publication date: May 12, 2022Applicant: Mitsubishi Electric CorporationInventor: Genta YOSHIMURA
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Patent number: 11215651Abstract: A power consumption estimation device (10) which estimates power consumption of each of one object facility (100) or more whose operation statuses can be monitored includes: a total power vector generation unit (32) to acquire time-series data of total power consumption; a status matrix generation unit (34) to acquire time-series data of an operation parameter of the one object facility (100) or more; a reference signal generation unit (36) to generate one reference signal or more; a contribution degree estimation unit (38) to perform multiple regression analysis by taking the total power consumption as an objective variable, and the operation parameter of the one object facility (100) or more and a component value of the one reference signal or more, as explanatory variables, to thereby calculate a contribution degree of each of the one object facility (100) or more; and a breakdown calculation unit (42) to multiply the contribution degree of the object facility (100) and the operation parameter of the objecType: GrantFiled: October 29, 2020Date of Patent: January 4, 2022Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Fuyuki Sato, Shinichiro Otani, Genta Yoshimura, Hiroki Kawano, Toshihiro Mega, Yoshinori Nakajima
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Publication number: 20210311706Abstract: A development assistance device includes: multiple conversion units each for converting either an inputted signal value or inputted meta information into either a signal value or meta information, and for outputting either the signal value after conversion or the meta information after conversion as output information; a pipeline unit for causing, on the basis of pipeline information showing a relationship of mutual connections between the multiple conversion units, the multiple conversion units to sequentially perform the corresponding converting processes; an inference unit for making an inference by using the output information outputted by a final conversion unit which the pipeline unit causes, on the basis of the pipeline information, to finally perform the converting process, out of the multiple conversion units; and an image generation unit for generating image information for visualizing the connection relationship shown by the pipeline information, and a relationship of a connection between the finalType: ApplicationFiled: June 15, 2021Publication date: October 7, 2021Applicant: Mitsubishi Electric CorporationInventors: Takashi MATSUMOTO, Genta YOSHIMURA