Patents by Inventor Machiko Asaie
Machiko Asaie 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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Patent number: 11500364Abstract: Indexes having local features are automatically selected from sensor data of a plurality of sensors. Sensor data of the plurality of sensors, each associated with the plurality of indexes, is partitioned into a plurality of blocks. A principal component analysis is applied to the sensor data of each of the partitioned blocks and a plurality of principal components are extracted from each of the blocks. A migration distance evaluation unit extracts, from two different blocks, two principal components that form a principal component pair, and calculates a migration distance between each of the principal components regarding the extracted principal component pair. A migration factor index detection unit detects, as a migration factor index, an index among the plurality of indexes configuring the principal components having a large migration distance among the migration distances between each of the principal components calculated by the migration distance evaluation unit.Type: GrantFiled: March 9, 2018Date of Patent: November 15, 2022Assignee: HITACHI, LTD.Inventors: Takuya Komatsuda, Machiko Asaie, Keiro Muro
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Patent number: 10936634Abstract: A CPU of a data integration server detects first rare words whose number existing as words relating to configurations of tables of a factory data model is equal to or smaller than a predetermined number, detects second rare words whose number existing as words relating to configurations of tables in a common data model is equal to or smaller than a predetermined number, determines whether or not determination conditions for determining that a second column included in the common data model is a synonymous column candidate of a first column of the factory data model are satisfied, and, in the case where the determination conditions are satisfied, selects the second column as the synonymous column candidate of the first column. The determination conditions include a condition that one of the first rare words around the first column matches one of the second rare words around the second column.Type: GrantFiled: October 25, 2017Date of Patent: March 2, 2021Assignee: HITACHI, LTD.Inventors: Takuya Komatsuda, Toshihiko Kashiyama, Machiko Asaie
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Patent number: 10846312Abstract: A selection apparatus selects a variable with a range of values of a data group from an observation target. The processor generates a plurality of clusters by clustering a representative data group representing the variable for each of a plurality of the data groups corresponding to a plurality of the variables based on similarity of the representative data group, generates a map by plotting the representative data group on a coordinate plane constituted by a first axis related to a first component and a second axis related to a second component, and selects, by selecting specific representative data from among one or more pieces of representative data belonging to each of the plurality of clusters, a specific variable represented by the specific representative data based on a circle having a center at an origin of the map.Type: GrantFiled: November 21, 2016Date of Patent: November 24, 2020Assignee: HITACHI, LTD.Inventor: Machiko Asaie
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Patent number: 10789166Abstract: A computer system acquires information on a first present input subset selected from first present input data for a first step from a run-time log of the first step, determines whether or not first cache data corresponding to the first present input subset for the first step is present in a cache area with reference to management information, and determines the first cache data as present output data for the first present input data in a case where the first cache data is present.Type: GrantFiled: August 3, 2017Date of Patent: September 29, 2020Assignee: Hitachi, Ltd.Inventors: Cheng Luo, Machiko Asaie, Keiro Muro
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Publication number: 20200293555Abstract: A selection apparatus selects a variable with a range of values of a data group from an observation target. The processor generates a plurality of clusters by clustering a representative data group representing the variable for each of a plurality of the data groups corresponding to a plurality of the variables based on similarity of the representative data group, generates a map by plotting the representative data group on a coordinate plane constituted by a first axis related to a first component and a second axis related to a second component, and selects, by selecting specific representative data from among one or more pieces of representative data belonging to each of the plurality of clusters, a specific variable represented by the specific representative data based on a circle having a center at an origin of the map.Type: ApplicationFiled: November 21, 2016Publication date: September 17, 2020Applicant: HITACHI, LTD.Inventor: Machiko Asaie
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Publication number: 20190361809Abstract: A computer system acquires information on a first present input subset selected from first present input data for a first step from a run-time log of the first step, determines whether or not first cache data corresponding to the first present input subset for the first step is present in a cache area with reference to management information, and determines the first cache data as present output data for the first present input data in a case where the first cache data is present.Type: ApplicationFiled: August 3, 2017Publication date: November 28, 2019Inventors: Cheng LUO, Machiko ASAIE, Keiro MURO
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Publication number: 20190064788Abstract: Indexes having local features are automatically selected from sensor data of a plurality of sensors. Sensor data of the plurality of sensors, each associated with the plurality of indexes, is partitioned into a plurality of blocks. A principal component analysis is applied to the sensor data of each of the partitioned blocks and a plurality of principal components are extracted from each of the blocks. A migration distance evaluation unit extracts, from two different blocks, two principal components that form a principal component pair, and calculates a migration distance between each of the principal components regarding the extracted principal component pair. A migration factor index detection unit detects, as a migration factor index, an index among the plurality of indexes configuring the principal components having a large migration distance among the migration distances between each of the principal components calculated by the migration distance evaluation unit.Type: ApplicationFiled: March 9, 2018Publication date: February 28, 2019Inventors: Takuya KOMATSUDA, Machiko ASAIE, Keiro MURO
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Publication number: 20180181650Abstract: A CPU of a data integration server detects first rare words whose number existing as words relating to configurations of tables of a factory data model is equal to or smaller than a predetermined number, detects second rare words whose number existing as words relating to configurations of tables in a common data model is equal to or smaller than a predetermined number, determines whether or not determination conditions for determining that a second column included in the common data model is a synonymous column candidate of a first column of the factory data model are satisfied, and, in the case where the determination conditions are satisfied, selects the second column as the synonymous column candidate of the first column. The determination conditions include a condition that one of the first rare words around the first column matches one of the second rare words around the second column.Type: ApplicationFiled: October 25, 2017Publication date: June 28, 2018Inventors: Takuya KOMATSUDA, Toshihiko KASHIYAMA, Machiko ASAIE
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Patent number: 9043621Abstract: A power-saving network management server, which is coupled to a network system including a network device and manages a state of power to the network device, wherein the power-saving network management server is configured to: store network configuration information and task allocation information; determine starting or stopping of the power supply to the port of the network device based on the updated network configuration information and task allocation information; store a determination result of the starting or stopping of the power supply to the port as a port determination result; and control the power supply to the port of the network device based on the port determination result.Type: GrantFiled: January 19, 2010Date of Patent: May 26, 2015Assignee: HITACHI, LTD.Inventors: Hideki Okita, Masahiro Yoshizawa, Machiko Asaie, Ken Naono
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Patent number: 8988989Abstract: Communication node including a transmission equipment which communicates user data with transmission equipment of an adjacent node, and a controller which communicates a message with a controller of the adjacent node and which manages the transmission equipment of its own node, wherein: a controller of the node detects existence or nonexistence of fault of a controller of the adjacent node on the basis of situation of receiving a message sent from the controller of the adjacent node; when the controller of the node detects the fault of the controller of the adjacent node, the controller of the node issues a state reference notice to a transmission equipment of its own node and checks existence or nonexistence of fault alert detection; in a case where the fault alert detection of the transmission equipment of the node does not exist, the controller of the node maintains a path state of the node.Type: GrantFiled: September 12, 2012Date of Patent: March 24, 2015Assignee: Hitachi, Ltd.Inventors: Machiko Asaie, Kazuhiro Kusama, Naomichi Nonaka
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Patent number: 8359440Abstract: The computer system has a plurality of physical server devices, a plurality of physical storage devices, and a management server device, and when migrating at least one of a plurality of first virtual server devices to another physical server device, the management server device compares at least one physical server device in which the plurality of first virtual server devices are disposed after the migration, with at least one physical server device in which a plurality of second virtual server devices are disposed, to calculate a first evaluation value, and also compares at least one physical server device in which the plurality of first virtual server devices are disposed after the migration, with at least one physical server device in which a plurality of third virtual server devices are disposed, to calculate a second evaluation value.Type: GrantFiled: July 13, 2009Date of Patent: January 22, 2013Assignee: Hitachi, Ltd.Inventors: Hirofumi Inomata, Tomoki Sekiguchi, Futoshi Haga, Machiko Asaie, Takayuki Nagai, Norio Shimozono
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Publication number: 20130003525Abstract: Communication node including a transmission equipment which communicates user data with transmission equipment of an adjacent node, and a controller which communicates a message with a controller of the adjacent node and which manages the transmission equipment of its own node, wherein: a controller of the node detects existence or nonexistence of fault of a controller of the adjacent node on the basis of situation of receiving a message sent from the controller of the adjacent node; when the controller of the node detects the fault of the controller of the adjacent node, the controller of the node issues a state reference notice to a transmission equipment of its own node and checks existence or nonexistence of fault alert detection; in a case where the fault alert detection of the transmission equipment of the node does not exist, the controller of the node maintains a path state of the node.Type: ApplicationFiled: September 12, 2012Publication date: January 3, 2013Inventors: Machiko ASAIE, Kazuhiro KUSAMA, Naomichi NONAKA
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Patent number: 8279758Abstract: In a network wherein a data plane for communicating user data, and a control plane for managing data forwarders are configured of different media, the path teardown of the data plane which is forwarding the data is prevented when a fault has occurred in only the control plane. When the GMPLS controller of the control plane has detected refresh timeout with respect to an adjacent node (101 in FIG. 1), it checks whether or not a transmission equipment corresponding to a faulty controller has a fault (102), and it maintains a path state (103) in a case where the fault is limited to the control plane. Thus, the exchange of refresh messages with the adjacent node is continued without cleaning up the resources of the transmission equipment (104 through 107).Type: GrantFiled: June 11, 2009Date of Patent: October 2, 2012Assignee: Hitachi, Ltd.Inventors: Machiko Asaie, Kazuhiro Kusama, Naomichi Nonaka
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Publication number: 20110161695Abstract: A power-saving network management server, which is coupled to a network system including a network device and manages a state of power to the network device, wherein the power-saving network management server is configured to: store network configuration information and task allocation information; determine starting or stopping of the power supply to the port of the network device based on the updated network configuration information and task allocation information; store a determination result of the starting or stopping of the power supply to the port as a port determination result; and control the power supply to the port of the network device based on the port determination result.Type: ApplicationFiled: January 19, 2010Publication date: June 30, 2011Applicant: HITACHI, LTD.Inventors: Hideki Okita, Masahiro Yoshizawa, Machiko Asaie, Ken Naono
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Publication number: 20100274984Abstract: The computer system has a plurality of physical server devices, a plurality of physical storage devices, and a management server device, and when migrating at least one of a plurality of first virtual server devices to another physical server device, the management server device compares at least one physical server device in which the plurality of first virtual server devices are disposed after the migration, with at least one physical server device in which a plurality of second virtual server devices are disposed, to calculate a first evaluation value, and also compares at least one physical server device in which the plurality of first virtual server devices are disposed after the migration, with at least one physical server device in which a plurality of third virtual server devices are disposed, to calculate a second evaluation value.Type: ApplicationFiled: July 13, 2009Publication date: October 28, 2010Inventors: Hirofumi INOMATA, Tomoki SEKIGUCHI, Futoshi HAGA, Machiko ASAIE, Takayuki NAGAI, Norio SHIMOZONO
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Publication number: 20090310482Abstract: In a network wherein a data plane for communicating user data, and a control plane for managing data forwarders are configured of different media, the path teardown of the data plane which is forwarding the data is prevented when a fault has occurred in only the control plane. When the GMPLS controller of the control plane has detected refresh timeout with respect to an adjacent node (101 in FIG. 1), it checks whether or not a transmission equipment corresponding to a faulty controller has a fault (102), and it maintains a path state (103) in a case where the fault is limited to the control plane. Thus, the exchange of refresh messages with the adjacent node is continued without cleaning up the resources of the transmission equipment (104 through 107).Type: ApplicationFiled: June 11, 2009Publication date: December 17, 2009Inventors: Machiko ASAIE, Kazuhiro Kusama, Naomichi Nonaka
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Patent number: 6502136Abstract: A computer system including a plurality of processing nodes, at least one resource provided for use by any of the processing nodes and a plurality of register sets. Each register set is provided in each processing node for storing in parallel use status information indicating whether the resource is in exclusive use status. The computer system includes a plurality of request issue circuits, each being provided in each processing node, for issuing requests for exclusive use of the resource, a message exchanging circuit for serializing requests issued by the request issue circuits into a serialized order and broadcasting the request to the processing nodes and a plurality of status control circuits. Each status control circuit is provided in each processing node to update a corresponding register set depending on use status information and each request received at a corresponding node.Type: GrantFiled: May 2, 2001Date of Patent: December 31, 2002Assignees: Hitachi, Ltd., Hitachi ULSI Engineering Corp.Inventors: Tatsuo Higuchi, Toshiaki Tarui, Katsuyoshi Kitai, Shigeo Takeuchi, Tatsuru Toba, Machiko Asaie, Yasuhiro Inagami
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Patent number: 6330604Abstract: A computer system including a plurality of processing nodes, at least one resource provided for use by any of the processing nodes and a plurality of register sets. Each register set is provided in each of the processing nodes for storing in parallel use status information indicating whether the resource is in exclusive use status or not. The computer system can also include a plurality of request issue circuits, each being provided in each of the processing nodes, for issuing individually requests for exclusive use of the resource, a message exchanging circuit for serializing requests issued by the request issue circuits into a serialized order and broadcasting the request to all of the processing nodes in the serialized order and a plurality of status control circuits.Type: GrantFiled: June 23, 1998Date of Patent: December 11, 2001Assignees: Hitachi, Ltd., Hitachi ULSI Engineering Corp.Inventors: Tatsuo Higuchi, Toshiaki Tarui, Katsuyoshi Kitai, Shigeo Takeuchi, Tatsuru Toba, Machiko Asaie, Yasuhiro Inagami
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Patent number: 5774731Abstract: In order to reduce load at a resource managing node for exclusive control of a shared resource, each node has a group of lock state registers each corresponding to one of the nodes. Before one node issues a lock request to a resource managing node, the node checks the register group to see if the resource managing node is unlocked. With the target node found to be accessible, the access requesting node sends to a broadcast message exchange circuit a broadcast request message including a lock request regarding the resource managing node. The broadcast message exchange circuit receives such broadcast request messages from access requesting nodes, and changes them serially into broadcast messages for broadcast to all nodes. Of these broadcast messages, the first message received by each node is processed by its lock control circuit so that the lock request in that message is allowed to lock the resource managing node.Type: GrantFiled: July 5, 1996Date of Patent: June 30, 1998Assignees: Hitachi, Ltd., Hitachi ULSI Engineering Co., Ltd.Inventors: Tatsuo Higuchi, Toshiaki Tarui, Katsuyoshi Kitai, Shigeo Takeuchi, Tatsuru Toba, Machiko Asaie, Yasuhiro Inagami