Patents by Inventor Hironobu Kitajima
Hironobu Kitajima 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: 20150241490Abstract: A transformer connection phase determination device includes a processor that executes a procedure includes: acquiring a power value consumed by at least one consumer connected to a transformer connected to any phase corresponding to a combination of two of a plurality of distribution lines, and acquiring respective current values flowing in each of the plurality of distribution lines, in association with a time axis; applying a filter that attenuates low frequency components in a current value caused by the power value and in the respective current values flowing in the plurality of respective power distribution lines; computing respective correlation values indicating correlation between the current values caused by the power values to which the filter has been applied, and the respective current values flowing in the plurality of respective power distribution lines to which the filter has been applied; and determining the phase that the transformer is connected to.Type: ApplicationFiled: January 29, 2015Publication date: August 27, 2015Applicant: FUJITSU LIMITEDInventors: Hironobu KITAJIMA, Hideyuki KIKUCHI, Yuta TERANISHI
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Publication number: 20150134281Abstract: A transformer connection phase determination device includes a processor that executes a procedure. The procedure includes: computing respective correlation values representing a correlation between current corresponding to power consumed by at least one consumer connected to a transformer connected to one phase corresponding to a combination of two of a plurality of power distribution lines, and line current flowing in each of the plurality of power distribution lines; and determining the phase the transformer is connected to based on the respective correlation values.Type: ApplicationFiled: October 21, 2014Publication date: May 14, 2015Applicant: FUJITSU LIMITEDInventors: Hironobu KITAJIMA, Hideyuki KIKUCHI, Yuta TERANISHI
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Publication number: 20150112616Abstract: A non-transitory computer readable storage medium for causing a computer monitoring a power distribution system in which a first customer and a second customer are mixed to execute a process, the process including: acquiring first data measured with a first measurement device which is installed in the first customer and measures the first data at a first time interval; acquiring second data measured with a second measurement device which is installed in the second customer and measures the second data at a second time interval longer than the first time interval; estimating data of the first time interval about an electric power of the second customer by using the acquired first data and the acquired second data; and estimating a value about a voltage or a current for each customer by using the estimated data of the first time interval and the acquired first data.Type: ApplicationFiled: October 22, 2014Publication date: April 23, 2015Applicant: FUJITSU LIMITEDInventors: Yuta TERANISHI, Hironobu KITAJIMA, Hideyuki KIKUCHI
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Publication number: 20140303797Abstract: An information processing method to be executed by a processor, the processing method includes setting an area target amount of reduction in power consumption of a target area; acquiring a predicted value and a measured value of outdoor temperature at each of a plurality of subareas included in the target area; calculating, for each of the plurality of subareas, a prediction error of outdoor temperature by calculating a difference between the predicted value and the measured value; calculating, for each of the plurality of subareas, a utilization rate indicating a rate of assignment of the area target amount of reduction in power consumption by solving an objective function generated based on the area target amount of reduction and a variance of the prediction error of outdoor temperature; and determining, for each of the plurality of subareas, a subarea target amount of reduction in power consumption based on the utilization rate.Type: ApplicationFiled: March 31, 2014Publication date: October 9, 2014Applicant: FUJITSU LIMITEDInventor: Hironobu Kitajima
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Publication number: 20140163743Abstract: An information processing device includes a memory; and a processor coupled to the memory and configured to obtain data including a temperature in a space where each of a plurality of air conditioning apparatuses is installed, a temperature outside the space, and power consumption of the plurality of air conditioning apparatuses, calculate a factor to obtain relationship between the temperature in the space, the temperature outside the space, and the power consumption related to each of the plurality of the air conditioning apparatuses based on the obtained data, and calculate, in a case of changing a setting temperature of the plurality of air conditioning apparatuses, a change width of each of the setting temperatures of the plurality of air conditioning apparatuses in such a manner that variation in the change width becomes a control unit using an objective function expressing a cost of a power supplier and the calculated factor.Type: ApplicationFiled: September 23, 2013Publication date: June 12, 2014Applicant: FUJITSU LIMITEDInventors: Hironobu KITAJIMA, Toshihiro Sonoda
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Publication number: 20130317658Abstract: An information processing apparatus includes a memory; and a processor coupled to the memory and configured to perform control, when it has been detected that there is a device among a plurality of devices each including a battery for which a state of an external power supply has changed from on to off, such that the battery for which the state of the external power supply has changed from on to off is not charged, obtain a plurality of pieces of information regarding operation states, in each of which information regarding the state of the external power supply and a power receiving state, from the plurality of devices, obtain information including a total value of power consumption of the plurality of devices corresponding to the plurality of pieces of information regarding the operation states, and calculate the power consumption of each of the plurality of devices in each operation state.Type: ApplicationFiled: May 21, 2013Publication date: November 28, 2013Applicant: FUJITSU LIMITEDInventors: Satoru Takahashi, Toshihiro Sonoda, Hironobu Kitajima
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Patent number: 8423491Abstract: Information of an action of fact confirmation performed between nodes that are objects relating to fact confirmation in an application procedure is read from a predetermined storage unit that previously stores whether an action of fact confirmation is an action of operating information or an action of confirming information, and based on the read information of the action, when a fraud is committed in an action of operating information, reliability of the application procedure is calculated based on a probability of a detection of a fraud in an action of confirming information performed in a node connected to the action of operating information.Type: GrantFiled: April 18, 2008Date of Patent: April 16, 2013Assignee: Fujitsu LimitedInventors: Hironobu Kitajima, Ryo Ochitani, Morio Ikesaka
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Patent number: 8407150Abstract: A reliability evaluation device includes a route acquiring unit that acquires a route from a starting point to a verification point of an application procedure as a group of paths indicative of relation between objects used for identity verification at each step based on data that includes the paths, a direction in which information is transferred, and path reliabilities indicative of accuracy of transferring the information, and a verification-point-reliability computing unit that computes reliability of the application procedure at the verification point by multiplying the path reliabilities by the reliability at the starting point.Type: GrantFiled: January 16, 2007Date of Patent: March 26, 2013Assignee: Fujitsu LimitedInventors: Hironobu Kitajima, Ryo Ochitani
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Patent number: 7856412Abstract: A computer-readable recording medium storing a program to make a computer execute a process, the process including generating normal/abnormal patterns of paths between a start point node of application procedure and a reliability verification point node based on a node information that stores an object related to a fact confirmation at application procedure as a node and a path information that stores processing executed between nodes as path; determining whether it is possible to reach the verification point node from the start point node only via normal paths regarding each normal/abnormal pattern; generating a calculation expression to find the reliability of the application procedure as the total generation probability of the normal/abnormal patterns which was determined as reachable; and calculating the reliability of the application procedure by applying the probability of normality of the paths stored corresponding to each path in the path information.Type: GrantFiled: October 24, 2007Date of Patent: December 21, 2010Assignee: Fujitsu LimitedInventors: Hironobu Kitajima, Ryo Ochitani, Morio Ikesaka
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Publication number: 20090052744Abstract: An application-procedure fraud risk evaluation apparatus having a unit for preparing, based on relationships between each document for identity verification and other one or more documents and procedures required for acquiring the each document for identity verification, relationships between a document group and procedures which are required to acquire a target document for identity verification, which is necessary in a predetermined application, and for holding the prepared relationships as an identity verification diagram for the predetermined application; a unit for accepting, as fraud case data, fraudulent cases that have occurred in the application procedures and/or in acquiring the each document for identity verification; and a unit for evaluating, based on the identity verification diagram and the fraud case data, in which one of the documents for identity verification a fraudulent document is presented with a higher possibility when fraudulent applications are performed in the application procedures.Type: ApplicationFiled: August 19, 2008Publication date: February 26, 2009Applicant: FUJITSU LIMITEDInventors: Hironobu KITAJIMA, Ryo OCHITANI, Morio IKESAKA
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Publication number: 20080262794Abstract: Information of an action of fact confirmation performed between nodes that are objects relating to fact confirmation in an application procedure is read from a predetermined storage unit that previously stores whether an action of fact confirmation is an action of operating information or an action of confirming information, and based on the read information of the action, when a fraud is committed in an action of operating information, reliability of the application procedure is calculated based on a probability of a detection of a fraud in an action of confirming information performed in a node connected to the action of operating information.Type: ApplicationFiled: April 18, 2008Publication date: October 23, 2008Applicant: Fujitsu LimitedInventors: Hironobu Kitajima, Ryo Ochitani, Morio Ikesaka
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Publication number: 20080168021Abstract: A computer-readable recording medium storing a program to make a computer execute a process, the process including generating normal/abnormal patterns of paths between a start point node of application procedure and a reliability verification point node based on a node information that stores an object related to a fact confirmation at application procedure as a node and a path information that stores processing executed between nodes as path; determining whether it is possible to reach the verification point node from the start point node only via normal paths regarding each normal/abnormal pattern; generating a calculation expression to find the reliability of the application procedure as the total generation probability of the normal/abnormal patterns which was determined as reachable; and calculating the reliability of the application procedure by applying the probability of normality of the paths stored corresponding to each path in the path information.Type: ApplicationFiled: October 24, 2007Publication date: July 10, 2008Applicant: FUJITSU LIMITEDInventors: Hironobu Kitajima, Ryo Ochitani, Morio Ikesaka
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Publication number: 20070283206Abstract: A reliability evaluation device includes a route acquiring unit that acquires a route from a starting point to a verification point of an application procedure as a group of paths indicative of relation between objects used for identity verification at each step based on data that includes the paths, a direction in which information is transferred, and path reliabilities indicative of accuracy of transferring the information, and a verification-point-reliability computing unit that computes reliability of the application procedure at the verification point by multiplying the path reliabilities by the reliability at the starting point.Type: ApplicationFiled: January 16, 2007Publication date: December 6, 2007Applicant: FUJITSU LIMITEDInventors: Hironobu Kitajima, Ryo Ochitani
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Publication number: 20070220258Abstract: A credibility computing apparatus calculates credibility of a certificate based on use duration of the certificate. The use duration is a duration from the date of issue of the certificate to the current date.Type: ApplicationFiled: August 23, 2006Publication date: September 20, 2007Inventors: Hironobu Kitajima, Ryo Ochitani
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Patent number: 6823069Abstract: When information about an encrypting/decrypting method is received, it is complied with a library. A mapping data object that represents the structure of the circuit is generated. The mapping data object is written to a programmable logic device/unit. When the programmable logic device/unit is used for an encrypting/decrypting circuit, an encrypting/decrypting system that can flexibly change an algorithm at high speed can be accomplished.Type: GrantFiled: March 11, 1997Date of Patent: November 23, 2004Assignee: Fujitsu LimitedInventors: Hironobu Kitajima, Shunsuke Fueki
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Patent number: 6704731Abstract: If an intermediary agent device or a database agent device cannot uniquely reply to an inquiry message issued from a user agent device, it generates a conditional reply message and returns the generated message to the user agent device. When receiving the conditional reply, the user agent device presents the conditions required for the conditional reply or a reply to a user.Type: GrantFiled: March 23, 1998Date of Patent: March 9, 2004Assignee: Fujitsu LimitedInventors: Ryusuke Masuoka, Hironobu Kitajima, Tamami Sugasaka, Akira Sato
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Publication number: 20030163416Abstract: A technique is provided for making a good use of the market values of purchase information while guaranteeing customers' privacy. The system includes: obtaining means, provided at a merchant, for obtaining transaction information; anonymizing means for generating anonymous transaction information that never reveals customers' identities, according to the transaction information, which has been obtained by the obtaining means; and storage means for storing the anonymous transaction information, which has been generated by the anonymizing means. The present technique is applicable to an electronic payment system employing SET.Type: ApplicationFiled: July 18, 2002Publication date: August 28, 2003Applicant: FUJITSU LIMITEDInventor: Hironobu Kitajima
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Patent number: 6523044Abstract: A method of collecting, storing, and retrieving knowledge includes the steps of collecting knowledge information from information-source terminals via a network, the knowledge information including information regarding research and development, problems, and solutions of the problems, storing the collected knowledge information in libraries by classifying the collected knowledge information based on a type and an attribute of the collected knowledge information, organizing the stored knowledge information based on importance and frequency of use thereof, storing the organized knowledge information in the libraries after standardizing the organized knowledge information so as to be usable by others, and retrieving the standardized knowledge information from a library in response to a retrieval request so as to provide the retrieved information for a requesting party which made the retrieval request.Type: GrantFiled: November 9, 1998Date of Patent: February 18, 2003Assignee: Fujitsu LimitedInventors: Tetsuya Muramoto, Masayoshi Kikuchi, Ryusuke Masuoka, Hironobu Kitajima, Nobuhiro Yugami
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Patent number: 6516307Abstract: A multi-dimensional Gaussian distribution generating portion obtains one vector from a multi-dimensional Gaussian probability distribution and outputs it as an initial momentum. An approximated energy function differential generating portion generates a gradient of an approximated energy function. A Hamilton equation integral portion integrates a Hamilton equation using a gradient of an approximated energy function for a predetermined integral period with initial conditions of an initial state and an initial momentum. The result of the integration as the state of the next alternative is output from a next alternative generating apparatus. The state is used with a high probability corresponding to the difference of approximated energy calculated by an approximated energy difference calculating portion and the difference between a value of an original energy in the present state and that in the next state.Type: GrantFiled: February 28, 2000Date of Patent: February 4, 2003Assignee: Fujitsu LimitedInventors: Ryusuke Masuoka, Hironobu Kitajima
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Publication number: 20020156641Abstract: A service brokering apparatus which can easily build a service integration system that provides a complex service by integrating a plurality of elementary services realized on computers. This apparatus achieves a system that can easily adapt itself to expanding or changing the services. The service brokering apparatus includes a storage device that stores service description information for each elementary service, the service description information having a combination of identification information of elementary service entities, declarative description information on information needed to realize the elementary services, and declarative description information on processing results of the elementary services.Type: ApplicationFiled: August 28, 2001Publication date: October 24, 2002Applicant: Fujitsu LimitedInventor: Hironobu Kitajima