Patents by Inventor Takayuki Katsuki

Takayuki Katsuki 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: 20180278077
    Abstract: A battery controller and method for controlling a battery include generating a battery capacity prediction model that characterizes a battery capacity decay rate. Future battery capacity for a battery under control is predicted based on the battery capacity prediction model and a present value of the battery capacity. One or more operational parameters of the battery under control is controlled based on the predicted future battery capacity.
    Type: Application
    Filed: May 30, 2018
    Publication date: September 27, 2018
    Inventors: Takayuki Katsuki, Tetsuro Morimura
  • Patent number: 10044212
    Abstract: A battery controller and method for controlling a battery include training parameters for a battery capacity prediction model based usage of similar batteries and capacity information for the respective similar batteries. The model characterizes a capacity decay rate. Future battery capacity is predicted for a battery under control based on the battery capacity prediction model and a present value of the battery capacity. One or more operational parameters of the battery under control is controlled based on the predicted future battery capacity.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: August 7, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Takayuki Katsuki, Tetsuro Morimura
  • Publication number: 20180114146
    Abstract: Various embodiments train a prediction model for predicting a label to be allocated to a prediction target explanatory variable set. In one embodiment, one or more sets of training data are acquired. Each of the one or more sets of training data includes at least one set of explanatory variables and a label allocated to the at least one explanatory variable set. A plurality of explanatory variable subsets is extracted from the at least one set of explanatory variables. A prediction model is trained utilizing the training data. The plurality of explanatory variable subsets is reflected on a label predicted by the prediction model to be allocated to a prediction target explanatory variable set with each of the plurality of explanatory variable subsets weighted respectively.
    Type: Application
    Filed: December 12, 2017
    Publication date: April 26, 2018
    Inventors: Takayuki Katsuki, Yuma Shinohara
  • Publication number: 20180107574
    Abstract: Anomalous sensors are detected using an apparatus including a processor and one or more computer readable mediums collectively including instructions that, when executed by the processor, cause the processor to: obtain a plurality of healthy sensor data, wherein each of the healthy sensor data includes a plurality of sensed values of a corresponding sensor among a plurality of sensors in normal operation, generate a healthy data distribution of at least two sensors among the plurality of sensors based on the plurality of healthy sensor data, and generate a function of a status probability distribution of the plurality of sensors with respect to time under the condition of sensor data with respect to time based on the healthy data distribution.
    Type: Application
    Filed: December 14, 2017
    Publication date: April 19, 2018
    Inventors: Satoshi Hara, Takayuki Katsuki
  • Publication number: 20180101792
    Abstract: Various embodiments train a prediction model for predicting a label to be allocated to a prediction target explanatory variable set. In one embodiment, one or more sets of training data are acquired. Each of the one or more sets of training data includes at least one set of explanatory variables and a label allocated to the at least one explanatory variable set. A plurality of explanatory variable subsets is extracted from the at least one set of explanatory variables. A prediction model is trained utilizing the training data. The plurality of explanatory variable subsets is reflected on a label predicted by the prediction model to be allocated to a prediction target explanatory variable set with each of the plurality of explanatory variable subsets weighted respectively.
    Type: Application
    Filed: December 12, 2017
    Publication date: April 12, 2018
    Inventors: Takayuki Katsuki, Yuma Shinohara
  • Patent number: 9928468
    Abstract: Various embodiments train a prediction model for predicting a label to be allocated to a prediction target explanatory variable set. In one embodiment, one or more sets of training data are acquired. Each of the one or more sets of training data includes at least one set of explanatory variables and a label allocated to the at least one explanatory variable set. A plurality of explanatory variable subsets is extracted from the at least one set of explanatory variables. A prediction model is trained utilizing the training data. The plurality of explanatory variable subsets is reflected on a label predicted by the prediction model to be allocated to a prediction target explanatory variable set with each of the plurality of explanatory variable subsets weighted respectively.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: March 27, 2018
    Assignee: International Business Machines Corporation
    Inventors: Takayuki Katsuki, Yuma Shinohara
  • Patent number: 9922292
    Abstract: Various embodiments train a prediction model for predicting a label to be allocated to a prediction target explanatory variable set. In one embodiment, one or more sets of training data are acquired. Each of the one or more sets of training data includes at least one set of explanatory variables and a label allocated to the at least one explanatory variable set. A plurality of explanatory variable subsets is extracted from the at least one set of explanatory variables. A prediction model is trained utilizing the training data. The plurality of explanatory variable subsets is reflected on a label predicted by the prediction model to be allocated to a prediction target explanatory variable set with each of the plurality of explanatory variable subsets weighted respectively.
    Type: Grant
    Filed: September 22, 2015
    Date of Patent: March 20, 2018
    Assignee: International Business Machines Corporation
    Inventors: Takayuki Katsuki, Yuma Shinohara
  • Patent number: 9916541
    Abstract: An information processing apparatus includes a history acquisition section configured to acquire history data including a history indicating that a plurality of selection subjects have selected selection objects; a learning processing section configured to allow a choice model to learn a preference of each selection subject for a feature and an environmental dependence of selection of each selection object in each selection environment using the history data, where the choice model uses a feature value possessed by each selection object, the preference of each selection subject for the feature, and the environmental dependence indicative of ease of selection of each selection object in each of a plurality of selection environments to calculate a selectability with which each of the plurality of selection subjects selects each selection object; and an output section configured to output results of learning by the learning processing section.
    Type: Grant
    Filed: December 14, 2015
    Date of Patent: March 13, 2018
    Assignee: International Business Machines Corporation
    Inventors: Takayuki Katsuki, Takayuki Osogami
  • Patent number: 9892012
    Abstract: Anomalous sensors are detected using an apparatus including a processor and one or more computer readable mediums collectively including instructions that, when executed by the processor, cause the processor to: obtain a plurality of healthy sensor data, wherein each of the healthy sensor data includes a plurality of sensed values of a corresponding sensor among a plurality of sensors in normal operation, generate a healthy data distribution of at least two sensors among the plurality of sensors based on the plurality of healthy sensor data, and generate a function of a status probability distribution of the plurality of sensors with respect to time under the condition of sensor data with respect to time based on the healthy data distribution.
    Type: Grant
    Filed: December 30, 2015
    Date of Patent: February 13, 2018
    Assignee: International Business Machines Corporation
    Inventors: Satoshi Hara, Takayuki Katsuki
  • Publication number: 20180033059
    Abstract: A non-transitory computer readable storage medium having instructions embodied therewith, the instructions executable by a processor or programmable circuitry to cause the processor or programmable circuitry to perform operations including obtaining training data including a sample value of one or more input features of an item and a sample value of an output feature representing demand for the item, and training, based on the training data, an estimation model that estimates a new value of the output feature for the item based on new values of the one or more input features. The one or more input features may include a relative price of the item relative to prices of a plurality of items.
    Type: Application
    Filed: July 29, 2016
    Publication date: February 1, 2018
    Inventors: Takayuki Katsuki, Tetsuro Morimura, Hiroki Yanagisawa
  • Patent number: 9881230
    Abstract: In embodiments the invention provides methods and systems for improved monitoring of roadways and related resources. The methods employ frugal devices such as remote webcams, and provide methods for improving the quality and usefulness of the data obtained from such devices.
    Type: Grant
    Filed: May 11, 2016
    Date of Patent: January 30, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Takayuki Katsuki, Michiaki Tatsubori
  • Publication number: 20180018568
    Abstract: An assistance strategy may be generated with a generating apparatus including a processor, and one or more computer readable mediums collectively including instructions that, when executed by the processor, cause the processor to create a reward estimation model for estimating a reward for assisting at least one subject by analyzing a history of input by the subject, create a decision making model including a plurality of forms of assistance and estimated rewards for each form of assistance based on the reward estimation model and the history of input by the subject, and generate an assistance strategy based on the decision making model.
    Type: Application
    Filed: July 18, 2016
    Publication date: January 18, 2018
    Inventors: Takayuki Katsuki, Tetsuro Morimura
  • Publication number: 20180018574
    Abstract: Methods and apparatus are provided for estimating anomalous sensors. The apparatus includes a target data acquiring to acquire a plurality of sets of target data serving as an examination target, each set of target data being output by a plurality of sensors. The apparatus further includes a calculating section calculate, for each of a plurality of sensor groups such that each sensor group includes at least two sensors among the plurality of sensors, a degree of difference of a target data distribution of the plurality of sets of target data relative to a reference data distribution of output from the sensor group. The apparatus additionally includes an estimating section to estimate one or more sensors among the plurality of sensors to be a source of outlierness, based on a calculation result of the calculating section.
    Type: Application
    Filed: July 13, 2016
    Publication date: January 18, 2018
    Inventors: Satoshi Hara, Takayuki Katsuki, Hiroki Yanagisawa
  • Publication number: 20170372234
    Abstract: An information processing apparatus includes a history acquisition section configured to acquire history data including a history indicating that a plurality of selection subjects have selected selection objects; a learning processing section configured to allow a choice model to learn a preference of each selection subject for a feature and an environmental dependence of selection of each selection object in each selection environment using the history data, where the choice model uses a feature value possessed by each selection object, the preference of each selection subject for the feature, and the environmental dependence indicative of ease of selection of each selection object in each of a plurality of selection environments to calculate a selectability with which each of the plurality of selection subjects selects each selection object; and an output section configured to output results of learning by the learning processing section.
    Type: Application
    Filed: September 7, 2017
    Publication date: December 28, 2017
    Inventors: Takayuki Katsuki, Takayuki Osogami
  • Publication number: 20170330051
    Abstract: In embodiments the invention provides methods and systems for improved monitoring of roadways and related resources. The methods employ frugal devices such as remote webcams, and provide methods for improving the quality and usefulness of the data obtained from such devices.
    Type: Application
    Filed: May 11, 2016
    Publication date: November 16, 2017
    Inventors: Takayuki Katsuki, Michiaki TATSUBORI
  • Patent number: 9800073
    Abstract: A battery controller and method for controlling a battery include training parameters for a battery capacity prediction model based on usage pattern information that correlates usage of similar batteries with capacity information for the respective similar batteries. The model characterizes a capacity decay rate in accordance with a present value of the battery capacity. Future battery capacity is predicted for a battery under control based on the battery capacity prediction model and a present value of the battery capacity. One or more operational parameters of the battery under control are controlled based on the predicted future battery capacity to extend the battery's usable lifetime.
    Type: Grant
    Filed: August 20, 2015
    Date of Patent: October 24, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Takayuki Katsuki, Tetsuro Morimura
  • Publication number: 20170265815
    Abstract: Methods and systems are provided for obtaining cleaned sequences showing trajectories of movement of a center of gravity and for estimating a biometric information pattern or value of a target. One of the methods includes removing noises from initial sequences showing trajectories of movement of a center of gravity to obtain the cleaned sequences. Another one of the methods includes reading cleaned sequences of the target into a memory, extracting features from the cleaned sequences, and estimating a biometric information pattern or value of the target from the extracted features, using a classification or regression model of biometric information patterns or values. The biometric information pattern may be a pattern derived from respiratory or circulatory organs of a target.
    Type: Application
    Filed: March 21, 2016
    Publication date: September 21, 2017
    Inventors: Takayuki Katsuki, Tetsuro Morimura
  • Publication number: 20170244256
    Abstract: A battery controller and method for controlling a battery include training parameters for a battery capacity prediction model based usage of similar batteries and capacity information for the respective similar batteries. The model characterizes a capacity decay rate. Future battery capacity is predicted for a battery under control based on the battery capacity prediction model and a present value of the battery capacity. One or more operational parameters of the battery under control is controlled based on the predicted future battery capacity.
    Type: Application
    Filed: May 10, 2017
    Publication date: August 24, 2017
    Inventors: Takayuki Katsuki, Tetsuro Morimura
  • Publication number: 20170228639
    Abstract: Optimized learning settings of neural networks are efficiently determined by an apparatus including a processor and one or more computer readable mediums collectively including instructions that, when executed by the processor, cause the processor to train a first neural network with a learning setting; extract tentative weight data from the first neural network with the learning setting; calculate an evaluation value of the first neural network with the learning setting; and generate a predictive model for predicting an evaluation value of a second neural network with a new setting based on tentative weight data of the second neural network by using a relationship between the tentative weight data of the first neural network and the evaluation value of the first neural network.
    Type: Application
    Filed: February 5, 2016
    Publication date: August 10, 2017
    Inventors: Satoshi Hara, Takayuki Katsuki, Tetsuro Morimura, Yasunori Yamada
  • Publication number: 20170192871
    Abstract: Anomalous sensors are detected using an apparatus including a processor and one or more computer readable mediums collectively including instructions that, when executed by the processor, cause the processor to: obtain a plurality of healthy sensor data, wherein each of the healthy sensor data includes a plurality of sensed values of a corresponding sensor among a plurality of sensors in normal operation, generate a healthy data distribution of at least two sensors among the plurality of sensors based on the plurality of healthy sensor data, and generate a function of a status probability distribution of the plurality of sensors with respect to time under the condition of sensor data with respect to time based on the healthy data distribution.
    Type: Application
    Filed: December 30, 2015
    Publication date: July 6, 2017
    Inventors: Satoshi Hara, Takayuki Katsuki