Patents by Inventor Hiroaki Kingetsu
Hiroaki Kingetsu 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: 20260187539Abstract: A non-transitory computer-readable recording medium stores therein a program that causes a computer to execute a process including calculating, for a machine learning model having a plurality of mechanisms that each of the mechanisms generate attention information, cosine similarity of the attention information generated by each of the mechanisms, calculating an entropy of an aggregate of the attention information generated by the mechanisms, and training the machine learning model by minimizing the cosine similarity and maximizing the entropy.Type: ApplicationFiled: February 23, 2026Publication date: July 2, 2026Applicant: Fujitsu LimitedInventor: Hiroaki KINGETSU
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Publication number: 20260119869Abstract: A non-transitory computer-readable recording medium stores therein a generation program of a neural network used as a subnetwork to be added to an image generation AI, the generation program causes a computer to execute a process including training each of a plurality of neural networks using a training dataset that includes a plurality of pieces of training data where image data corresponding to specific concepts different for each of the neural networks is associated with a specific token and part of a plurality of tokens different from the specific token, and fusing the neural networks after the training to generate a subnetwork that corresponds to a plurality of concepts.Type: ApplicationFiled: October 20, 2025Publication date: April 30, 2026Applicant: Fujitsu LimitedInventor: Hiroaki KINGETSU
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Computer-readable recording medium storing detection program, detection method, and detection device
Patent number: 12591808Abstract: A non-transitory computer-readable recording medium stores a detection program for causing a computer to execute processing including: inputting a plurality of pieces of second data into a second machine learning model generated by machine learning based on a plurality of pieces of first data and a first result output from a first machine learning model according to an input of the plurality of pieces of first data; acquiring a second result output from the second machine learning model according to the input of the plurality of pieces of second data; and detecting a difference between a distribution of the plurality of pieces of first data and a distribution of the plurality of pieces of second data, based on comparison between a value calculated based on the second result and a gradient of a loss function of the second machine learning model with a threshold.Type: GrantFiled: March 22, 2023Date of Patent: March 31, 2026Assignee: Fujitsu LimitedInventor: Hiroaki Kingetsu -
Publication number: 20250371749Abstract: A non-transitory computer-readable recording medium has stored therein a program that causes a computer to execute a process includes, selecting some modules from a plurality of modules to be applied to a trained machine learning model that performs image generation by performing noise removal from random noise up to a final stage among a plurality of stages, generating a first image by synthesizing selected modules and performing noise removal from predetermined random noise to a stage in the middle before reaching the final stage, generating a second image by performing noise removal from the first image a predetermined number of times for each module included in the plurality of modules, and classifying a module included in the plurality of modules based on the second image for each of the modules.Type: ApplicationFiled: May 20, 2025Publication date: December 4, 2025Applicant: Fujitsu LimitedInventor: Hiroaki KINGETSU
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Publication number: 20240220776Abstract: The information processing apparatus generates a second model by updating, while fixing parameters of first one or more layers corresponding to a first position in a first model, parameters of second one or more layers corresponding to a second position in the first model, based on a loss function including entropy of a first output outputted from the first model in response to an input of first data to the first model, the first data being data that does not include correct labels; and generates a third model by updating, while fixing parameters of third one or more layers corresponding to the second position in the second model, parameters of fourth one or more layers corresponding to the first position, based on a loss function including entropy of a second output outputted from the second model in response to the input of the first data to the second model.Type: ApplicationFiled: March 15, 2024Publication date: July 4, 2024Applicant: FUJITSU LIMITEDInventor: Hiroaki KINGETSU
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Publication number: 20240169274Abstract: The computer is caused to execute processing including: generating a second machine learning model, by updating a parameter of a first machine learning model, based on a first feature amount that is obtained from first information using the parameter of the first machine learning model; generating a third machine learning model, based on a first training data and a second training data, the first training data including: a second feature amount that is obtained from a second data based on a parameter of the second machine learning model; and a correct label indicating first information, the second training data including: a third feature amount that is obtained from a third data based on the parameter of the second machine learning model; and a correct label indicating second information; evaluating the second machine learning model, based on the prediction accuracy of the generated third machine learning model.Type: ApplicationFiled: January 29, 2024Publication date: May 23, 2024Applicant: FUJITSU LIMITEDInventor: Hiroaki KINGETSU
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Publication number: 20240143981Abstract: A recording medium stores a program for causing a computer to execute a process including: classifying data into classes based on a density of the data; performing data augmentation on first data that is positioned in a region where data which is positioned in a region of a first class and which belongs to the first class exists at a higher density than a predetermined density and on second data that is positioned in a region where the data which is positioned in the region of the first class and which belongs to the first class exists at a lower density than the predetermined density; and setting, when the first data after the data augmentation and the second data after the data augmentation overlap each other, a label that corresponds to the first class to first augmentation data, the second data, or second augmentation data.Type: ApplicationFiled: July 13, 2023Publication date: May 2, 2024Applicant: Fujitsu LimitedInventor: Hiroaki KINGETSU
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Publication number: 20240086710Abstract: A recording medium stores a machine learning program causing a computer to execute a processing of: generating a first parameter relating to a first pruning process that generates a first machine learning model to classify a first class in classes by executing the first pruning process on a machine learning model which classifies into the classes based on a parameter of the machine learning model and training data including the first class which serves a correct answer label; and generating a second parameter relating to a second pruning process that generates a second machine learning model to classify a second class in the classes by executing the second pruning process on the machine learning model based on the parameter of the machine learning model, training data including the second class which serves the correct answer label and a loss function including the first parameter relating to the first pruning process.Type: ApplicationFiled: November 20, 2023Publication date: March 14, 2024Applicant: FUJITSU LIMITEDInventors: Hiroaki KINGETSU, Kenichi KOBAYASHI
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COMPUTER-READABLE RECORDING MEDIUM STORING DETECTION PROGRAM, DETECTION METHOD, AND DETECTION DEVICE
Publication number: 20230222392Abstract: A non-transitory computer-readable recording medium stores a detection program for causing a computer to execute processing including: inputting a plurality of pieces of second data into a second machine learning model generated by machine learning based on a plurality of pieces of first data and a first result output from a first machine learning model according to an input of the plurality of pieces of first data; acquiring a second result output from the second machine learning model according to the input of the plurality of pieces of second data; and detecting a difference between a distribution of the plurality of pieces of first data and a distribution of the plurality of pieces of second data, based on comparison between a value calculated based on the second result and a gradient of a loss function of the second machine learning model with a threshold.Type: ApplicationFiled: March 22, 2023Publication date: July 13, 2023Applicant: FUJITSU LIMITEDInventor: Hiroaki KINGETSU -
Patent number: 11644211Abstract: A prediction method implemented by a computer, the method includes: receiving a classification model from a server, the classification model being a model for classifying logs of an electronic device into two or more classes, the server being a computer configured to distribute the classification model; calculating, with respect to different time points, a prediction error by using a predicted value outputted by the classification model and an actual measured value observed at each of the different time points; performing sequential machine learning for the classification model to have the prediction error satisfy a certain condition; and when a cumulative sum with respect to the prediction error of the sequential machine learning is equal to or greater than a threshold, requesting the server apparatus to relearn the classification model.Type: GrantFiled: March 17, 2020Date of Patent: May 9, 2023Assignee: FUJITSU LIMITEDInventor: Hiroaki Kingetsu
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Publication number: 20220215294Abstract: A computing system trains a machine learning by using a plurality of pieces of training data including first data associated with a first class and second data associated with a second class. The computing system trains an inspector model for training a decision boundary between an area of the first class and an area of the second class based on knowledge distillation of the operation model, the inspector model being constructed for calculating a distance from the decision boundary to operation data. The computing system detects, based on a result obtained by inputting the plurality of pieces of training data and a plurality of pieces of data to the inspector model, a change in an output result of the operation model caused by a difference between training data and data.Type: ApplicationFiled: March 21, 2022Publication date: July 7, 2022Applicant: FUJITSU LIMITEDInventor: Hiroaki KINGETSU
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Publication number: 20220207307Abstract: A computing system calculates, by using an inspector model, whether or not the plurality of pieces of training data are located in a vicinity of the decision boundary, acquires a first proportion of the training data, calculates, by using the inspector model, whether or not a plurality of pieces of operation data associated with one of correct answer labels out of the plurality of correct answer labels are located in a vicinity of the decision boundary, and acquires a second proportion of the operation data located in the vicinity of the decision boundary out of all of the pieces of operation data and detects, based on the first proportion and the second proportion, a change in the output result of the machine learning model caused by a temporal change in a tendency of the operation data.Type: ApplicationFiled: March 15, 2022Publication date: June 30, 2022Applicant: FUJITSU LIMITEDInventor: Hiroaki KINGETSU
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Publication number: 20220188707Abstract: A computing system trains an inspector model for training a decision boundary that divides a feature space of data into two application areas based on an output result of the operation model, the inspector model being configured to calculate a distance from the decision boundary to input data. The computing system calculates, by inputting training data to the inspector model, a first distance from the decision boundary to the training data. The computing system calculates, by inputting first data to the inspector model, a second distance from the decision boundary to the operation data. The computing system detects, when a difference between the first distance and the second distance is larger than or equal to a threshold, an accuracy degradation of the machine learning model caused according to the difference between the training data and the first data.Type: ApplicationFiled: March 4, 2022Publication date: June 16, 2022Applicant: FUJITSU LIMITEDInventor: Hiroaki KINGETSU
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Publication number: 20200300495Abstract: A prediction method implemented by a computer, the method includes: receiving a classification model from a server, the classification model being a model for classifying logs of an electronic device into two or more classes, the server being a computer configured to distribute the classification model; calculating, with respect to different time points, a prediction error by using a predicted value outputted by the classification model and an actual measured value observed at each of the different time points; performing sequential machine learning for the classification model to have the prediction error satisfy a certain condition; and when a cumulative sum with respect to the prediction error of the sequential machine learning is equal to or greater than a threshold, requesting the server apparatus to relearn the classification model.Type: ApplicationFiled: March 17, 2020Publication date: September 24, 2020Applicant: FUJITSU LIMITEDInventor: Hiroaki Kingetsu