Patents by Inventor Takuya Oda

Takuya Oda 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).

  • Patent number: 10585691
    Abstract: In a distribution system including a plurality of physical machines, when an output file output by first processing performs multistage processing input to second processing, a physical machine which is a deployment destination of a first virtual machine for performing the first processing, a physical machine which is a storage destination of each data block included in the output file, and a physical machine which is a deployment destination of a second virtual machine for performing the second processing are determined based on relationship between the first and second processing.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: March 10, 2020
    Assignee: Hitachi, Ltd.
    Inventors: Yohsuke Ishii, Takuya Oda, Hiromu Hota, Nobuaki Kohinata
  • Patent number: 10527781
    Abstract: A communication system includes three or more nodes and a multi-core fiber having a plurality of cores, the multi-core fiber being used in at least a partial segment of the connection between the nodes is provided. One node of the nodes is connected to the multi-core fiber and includes a connector configured to add and drop a signal to and from an allocated core exclusively allocated from among the cores as a communication path between the one node and another node of the nodes and/or configured to relay a signal transmitted through another core of the cores allocated for communication between other nodes in the multi-core fiber connected to the one node, and a relative positional relationship between a connection position of the allocated core in which a signal is added or dropped in the connector and a connection position of another core in which a signal is relayed in the connector is the same for all of the nodes connected to the multi-core fiber.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: January 7, 2020
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takuya Oda, Tetsuro Inui, Akira Hirano, Wataru Imajuku, Shoukei Kobayashi, Takafumi Tanaka, Yutaka Miyamoto, Hidehiko Takara
  • Patent number: 10511381
    Abstract: A communication system includes three or more nodes, and a multi-core fiber having a plurality of cores, the multi-core fiber being used in at least a partial segment of a connection between the nodes, wherein each of nodes includes: a fault information transmitting device configured to transmit fault information indicating that a fault has occurred in a communication path between one node and another node of the nodes when it is detected that it is not possible to perform communication between the one node and the another node; and a fault location specifying device configured to specify a section between nodes in which a fault has occurred on the basis of the fault information received from the fault information transmitting device provided in each of the nodes.
    Type: Grant
    Filed: November 22, 2016
    Date of Patent: December 17, 2019
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takuya Oda, Tetsuro Inui, Akira Hirano, Wataru Imajuku, Shoukei Kobayashi, Takafumi Tanaka, Yutaka Miyamoto, Hidehiko Takara
  • Patent number: 10459893
    Abstract: The purpose of the present invention is, in a file storage, to shorten an access response time to shared data. When a file storage apparatus receives a command for a specific manipulation of a file system, a specific apparatus determines, based on a state of the file system and a manipulation history, whether or not an unapplied manipulation affects a target of the specific manipulation, the unapplied manipulation being a manipulation which has been previously executed by another file storage apparatus among a plurality of file storage apparatuses and which has not been applied to the file system. When it is determined that the unapplied manipulation affects the target of the specific manipulation, the file storage apparatus applies the unapplied manipulation to the file system, executes the specific manipulation on the file system, and transmits, to a cloud storage apparatus, manipulation information which represents the specific manipulation.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: October 29, 2019
    Assignee: HITACHI, LTD.
    Inventors: Kazuhito Yokoi, Go Kojima, Takuya Oda, Yasushi Miyata, Masanori Takata, Hitoshi Kamei, Akiyoshi Tsuchiya
  • Patent number: 10422953
    Abstract: An optical module includes: an output section that outputs TM light; and a substrate-type optical waveguide. The substrate-type optical waveguide includes: a waveguide that guides the TM light outputted from the output section; a polarization rotating element that converts the TM light guided through the waveguide into TE light; and a function element that receives the TE light. In the optical module equation (a×L)>(b×L+c) is satisfies, where L is a length of the waveguide, a is a propagation loss of the TE light per unit length of the waveguide, b is a propagation loss of the TM light per unit length of the waveguide, and c is an insertion loss by the polarization rotating element.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: September 24, 2019
    Assignee: FUJIKURA LTD.
    Inventors: Takuya Oda, Akira Oka
  • Publication number: 20190197050
    Abstract: A search support system supporting a search of unstructured data associated with a subject name that is a name of a subject indicated by a predetermined structure in structured data which contains a plurality of structures having a hierarchical relationship, is configured to include: a synonym search section that extracts a set of synonyms from teacher data which is unstructured data for detecting synonyms of the subject name; and an extended synonym generation section that generates an extended synonym which is a phrase obtained by combining a first subject name of a first structure in the structured data or a first synonym which is a synonym of the first subject name and which is extracted by the synonym search section with one or more second subject names indicated by one or more second structures higher in order than the first structure.
    Type: Application
    Filed: December 12, 2018
    Publication date: June 27, 2019
    Inventor: Takuya ODA
  • Publication number: 20190170939
    Abstract: An optical module includes: an output section that outputs TM light; and a substrate-type optical waveguide. The substrate-type optical waveguide includes: a waveguide that guides the TM light outputted from the output section; a polarization rotating element that converts the TM light guided through the waveguide into TE light; and a function element that receives the TE light. In the optical module equation (a×L)>(b×L+c) is satisfies, where L is a length of the waveguide, a is a propagation loss of the TE light per unit length of the waveguide, b is a propagation loss of the TM light per unit length of the waveguide, and c is an insertion loss by the polarization rotating element.
    Type: Application
    Filed: December 3, 2018
    Publication date: June 6, 2019
    Applicant: FUJIKURA LTD.
    Inventors: Takuya Oda, Akira Oka
  • Publication number: 20180375579
    Abstract: A communication system includes three or more nodes and a multi-core fiber having a plurality of cores and being used in at least a partial segment of the connection between the nodes. One node of the nodes is connected to the multi-core fiber and includes a connector configured to add and drop a signal to and from an allocated core exclusively allocated for communication between the one node and another node of the nodes and/or configured to relay a signal transmitted through another core allocated to communication between the other nodes in multi-core fibers connected to the one node.
    Type: Application
    Filed: November 22, 2016
    Publication date: December 27, 2018
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takuya ODA, Tetsuro INUI, Akira HIRANO, Wataru IMAJUKU, Shoukei KOBAYASHI, Takafumi TANAKA, Yutaka MIYAMOTO, Hidehiko TAKARA
  • Patent number: 10164847
    Abstract: Transfer of desired monitoring data is enabled while restraining a data storage capacity and transfer capacity. A base system senses an alert and generates an index for specifying collection target data that is data present within a predetermined collection target time including an alert occurrence time point, records the collection target data in association with the index, into a time-series data table, and stores alert identification information in association with the index, into an index specifying table. A center system receives the alert identification information and transmits a data request for requesting the collection target data, to the base system. The base system, upon receipt of the data request, acquires the index associated with the designated alert identification information by searching the index specifying table, acquires the collection target data specified by the index from the time-series data table, and transmits the acquired data to the center system.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: December 25, 2018
    Assignee: Hitachi, Ltd.
    Inventors: Takuya Oda, Hiroyasu Nishiyama
  • Publication number: 20180358773
    Abstract: An optical amplification system includes: three or more nodes; a multi-core fiber having a plurality of cores, the multi-core fiber being used in at least a partial segment of the connection between the nodes; an amplification light input unit configured to input amplification light to a core of the plurality of cores of the multi-core fiber; an amplification unit configured to amplify communication light transmitted through at least one core of the plurality of cores of the multi-core fiber using the amplification light, the amplification unit being provided in the nodes or between the nodes; and an amplification light coupling unit configured to couple the amplification light input by the amplification light input unit to the amplification unit.
    Type: Application
    Filed: November 22, 2016
    Publication date: December 13, 2018
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takuya ODA, Tetsuro INUI, Akira HIRANO, Wataru IMAJUKU, Shoukei KOBAYASHI, Takafumi TANAKA, Yutaka MIYAMOTO, Hidehiko TAKARA
  • Publication number: 20180359024
    Abstract: A communication system which includes: three or more nodes; a multi-core fiber having a plurality of cores, the multi-core fiber being used in at least a partial segment of a connection between the nodes; a detection signal output unit configured to output a fault detection signal transmitted by the core provided in the multi-core fiber configured to connect together the nodes; and a fault detection unit configured to determine whether a fault has occurred between the nodes on the basis of a detection result of the fault detection signal.
    Type: Application
    Filed: November 22, 2016
    Publication date: December 13, 2018
    Applicant: Nippon Telegraph and Telephone Corporation
    Inventors: Takuya ODA, Tetsuro INUI, Akira HIRANO, Wataru IMAJUKU, Shoukei KOBAYASHI, Takafumi TANAKA, Yutaka MIYAMOTO, Hidehiko TAKARA
  • Publication number: 20180351639
    Abstract: A communication system includes three or more nodes, and a multi-core fiber having a plurality of cores, the multi-core fiber being used in at least a partial segment of a connection between the nodes, wherein each of nodes includes: a fault information transmitting device configured to transmit fault information indicating that a fault has occurred in a communication path between one node and another node of the nodes when it is detected that it is not possible to perform communication between the one node and the another node; and a fault location specifying device configured to specify a section between nodes in which a fault has occurred on the basis of the fault information received from the fault information transmitting device provided in each of the nodes
    Type: Application
    Filed: November 22, 2016
    Publication date: December 6, 2018
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takuya ODA, Tetsuro INUI, Akira HIRANO, Wataru IMAJUKU, Shoukei KOBAYASHI, Takafumi TANAKA, Yutaka MIYAMOTO, Hidehiko TAKARA
  • Publication number: 20180341060
    Abstract: A communication system includes three or more nodes and a multi-core fiber having a plurality of cores, the multi-core fiber being used in at least a partial segment of the connection between the nodes is provided. One node of the nodes is connected to the multi-core fiber and includes a connector configured to add and drop a signal to and from an allocated core exclusively allocated from among the cores as a communication path between the one node and another node of the nodes and/or configured to relay a signal transmitted through another core of the cores allocated for communication between other nodes in the multi-core fiber connected to the one node, and a relative positional relationship between a connection position of the allocated core in which a signal is added or dropped in the connector and a connection position of another core in which a signal is relayed in the connector is the same for all of the nodes connected to the multi-core fiber.
    Type: Application
    Filed: November 22, 2016
    Publication date: November 29, 2018
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takuya ODA, Tetsuro INUI, Akira HIRANO, Wataru IMAJUKU, Shoukei KOBAYASHI, Takafumi TANAKA, Yutaka MIYAMOTO, Hidehiko TAKARA
  • Publication number: 20180343067
    Abstract: A node included in an optical power supply system which includes three or more nodes and a multi-core fiber having a plurality of cores, the plurality of cores being used in at least a partial segment of the connection between the nodes includes: a power supply light dropping unit configured to drop a portion or all of a power supply light from one core of the plurality of cores of the multi-core fiber; a photoelectric conversion unit configured to convert the portion or all of the power supply light dropped by the power supply light dropping unit to an electrical signal; and a power supply target facility configured to operate with the electrical signal converted by the photoelectric conversion unit.
    Type: Application
    Filed: November 22, 2016
    Publication date: November 29, 2018
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takuya ODA, Tetsuro INUI, Akira HIRANO, Wataru IMAJUKU, Shoukei KOBAYASHI, Takafumi TANAKA, Yutaka MIYAMOTO, Hidehiko TAKARA
  • Publication number: 20180337726
    Abstract: A transmission quality estimation system includes, three or more nodes and a transmission quality estimation device configured to estimate, transmission quality. A multi-core fiber having a plurality of cores, the multi-core fiber being used in at least a partial segment of a connection between the nodes. A node of the nodes includes a core connection unit configured to drop, add or relay light transmitted from, to or to each of to the plurality of cores of the multi-core fiber. The transmission quality estimation device includes an estimation unit configured to estimate transmission quality between the nodes on the basis of a transmission quality measurement light dropped by the core connection unit.
    Type: Application
    Filed: November 22, 2016
    Publication date: November 22, 2018
    Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takuya ODA, Tetsuro INUI, Akira HIRANO, Wataru IMAJUKU, Shoukei KOBAYASHI, Takafumi TANAKA, Yutaka MIYAMOTO, Hidehiko TAKARA
  • Publication number: 20180247163
    Abstract: At least one of a plurality of computers includes a learning module that generates, by using teacher data, distribution information for calculating an index used in classification of a data type of target data and outputs the distribution information to a computer including a classification module, which uses the distribution information to classify the data type of the target data. The learning module calculates, based on data lengths of the teacher data, first probabilities indicating a probability at which a character appears at an appearance position and second probability indicating a probability at which dummy data appears at an appearance position; and sets first entries each including the data type, a character included in the teacher data, an appearance position of the character, and the first probability, and second entries each including the data type, a dummy data, an appearance position of the dummy, and the second probability.
    Type: Application
    Filed: March 23, 2016
    Publication date: August 30, 2018
    Inventors: Takuya ODA, Qi XIU
  • Patent number: 9933822
    Abstract: An electronic component case includes, a lower case including a bottom plate, a side wall having a protruding portion, an engaging projection formed on an outer face of the side wall, and a screw hole formed in the side wall in a region where the protruding portion is provided, and an upper case including a top plate, a side wall in which an engaging hole is formed, and a notched hole formed in the side wall on the top plate side. The protruding portion of the lower case is engaged to the notched hole of the upper case, and the screw hole is exposed in the notched hole. The engaging projection of the lower case is engaged in the engaging hole of the upper case.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: April 3, 2018
    Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Minshong Tan, Syuzo Aoki, Takuya Oda
  • Patent number: 9920232
    Abstract: A method of manufacturing a metal composite material includes applying a mechanical impact force to a carbon material and a metal powder at such an intensity as capable of pulverizing the carbon material, thereby adhering the carbon material to a surface of the metal powder.
    Type: Grant
    Filed: July 6, 2015
    Date of Patent: March 20, 2018
    Assignees: SHINKO ELECTRIC INDUSTRIES CO., LTD., NAGANO PREFECTURE
    Inventors: Syuzo Aoki, Takuya Oda, Takuya Kurosawa, Shoji Koizumi, Hidekazu Takizawa, Yutaka Komatsu, Shinichi Anzawa
  • Patent number: 9873825
    Abstract: A carbon nanotube sheet includes a carbon nanotube aggregate in which a plurality of carbon nanotubes are arrayed, a thermoplastic resin portion formed in a center area of the carbon nanotube aggregate, and an uncured thermosetting resin portion formed in an outer periphery area of the carbon nanotube aggregate so as to surround the thermoplastic resin portion.
    Type: Grant
    Filed: November 5, 2014
    Date of Patent: January 23, 2018
    Assignee: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventor: Takuya Oda
  • Publication number: 20180018347
    Abstract: The purpose of the present invention is, in a file storage, to shorten an access response time to shared data. When a file storage apparatus receives a command for a specific manipulation of a file system, a specific apparatus determines, based on a state of the file system and a manipulation history, whether or not an unapplied manipulation affects a target of the specific manipulation, the unapplied manipulation being a manipulation which has been previously executed by another file storage apparatus among a plurality of file storage apparatuses and which has not been applied to the file system. When it is determined that the unapplied manipulation affects the target of the specific manipulation, the file storage apparatus applies the unapplied manipulation to the file system, executes the specific manipulation on the file system, and transmits, to a cloud storage apparatus, manipulation information which represents the specific manipulation.
    Type: Application
    Filed: January 30, 2015
    Publication date: January 18, 2018
    Inventors: Kazuhito YOKOI, Go KOJIMA, Takuya ODA, Yasushi MIYATA, Masanori TAKATA, Hitoshi KAMEI, Akiyoshi TSUCHIYA