Patents by Inventor Mitsuru Kanda

Mitsuru Kanda 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: 20190268839
    Abstract: According to one embodiment, a communication device includes one or more processors. The one or more processors configured to function as a plurality of communication control units and a selection unit. The plurality of communication control units control communication in accordance with a plurality of control schemes that differ from each other. The selection unit selects a communication control unit for use in communication from the communication control units based on selection criteria.
    Type: Application
    Filed: August 28, 2018
    Publication date: August 29, 2019
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Yasuyuki TANAKA, Mitsuru KANDA
  • Publication number: 20180279078
    Abstract: According to an embodiment, a confirming work supporting device includes a storage and processing circuitry. The storage is configured to store therein RSSI (Received Signal Strength Indicator) information that indicates reception strength of a wireless signal as measured by each of a plurality of installed wireless devices, from another wireless device. The processing circuitry is configured to determine, based on the RSSI information, a confirming order in which positions of the plurality of wireless devices are to be confirmed, and output, based on the confirming order, instruction information for an instruction to confirm a positon of a wireless device whose position is to be confirmed next.
    Type: Application
    Filed: August 30, 2017
    Publication date: September 27, 2018
    Inventors: Yuki YONEZAWA, Cam Ly NGUYEN, Takafumi SAKAMOTO, Masaki MUKAMOTO, Mitsuru KANDA
  • Patent number: 9374371
    Abstract: According to one embodiment, there is provided an authentication apparatus, including: a communication unit, a verifier and a connection configuration checker. The communication unit receives a message related to network access authentication on a first communication apparatus, the message including an address of the first communication apparatus and more than zero address of an authentication relay. The verifier verifies an authenticity of the first communication apparatus in response to receipt of the message by the communication unit. The connection configuration checker identifies a first destination to which the first communication apparatus intends to connect, on the basis of the address of the first communication apparatus or the address of the authentication relay included in the message when verification succeeds, and determines whether to authorize connection by the first communication apparatus to the first destination or not.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: June 21, 2016
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yasuyuki Tanaka, Mitsuru Kanda
  • Patent number: 9291698
    Abstract: According to an embodiment, a wireless communication device includes a detector to detect a mobile object by referring to sensing information; a first communicating unit to communicate mobile object information, which is related to a detection result of the mobile object, with another wireless communication device; a first calculator to calculate a moving path of the mobile object between wireless communication devices by referring to the detection result of the mobile object and mobile object information received from the other wireless communication device; a second communicating unit to communicate movement information, which is related to the moving path of the mobile object, with the other wireless communication device; and a second calculator to calculate distances between wireless communication devices that are dependent on the number of times of movement in the moving path by referring to the calculated moving path and movement information received from the other wireless communication device.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: March 22, 2016
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tomoki Watanabe, Tatsuo Kozakaya, Ryuzo Okada, Yoshihiro Oba, Mitsuru Kanda, Seijiro Yoneyama, Yasuyuki Tanaka, Takaomi Murakami
  • Patent number: 9191378
    Abstract: According to an embodiment, a communication apparatus includes a security control unit. The security control unit establishes first and second secure communication channels to a first server which manages communication security keys and second server which provides a service regarding a smart meter, respectively when operation to the smart meter is started, performs mutual authentication with the first server and acquire a first key from the first server via the first secure communication channel, and relays mutual authentication with the first server and acquisition of a second key from the first server via the first secure communication channel for the smart meter.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: November 17, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Seijiro Yoneyama, Mitsuru Kanda
  • Patent number: 9143486
    Abstract: According to one embodiment, there is provided a communication device including a first communication layer receiving processor to perform a receiving process on a first communication layer on data received from a first communication device. The first communication layer receiving processor includes a first key identifying unit to identify, a key required to process the data; a first attribute identifying unit to identify, pursuant to key data, first attribute information that is attribute information associated with the key as identified; and a data processor to process the data using the key as identified. The data processed by the data processor and the first attribute information are passed to a second communication layer processor configured to perform a process on a second communication layer.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: September 22, 2015
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yasuyuki Tanaka, Mitsuru Kanda, Seijiro Yoneyama, Yoshiki Terashima
  • Patent number: 9077700
    Abstract: There is provided an authentication server including: a network access authenticating unit and an address notifying unit wherein the network access authenticating unit receives, from an authentication relay connected to a network, a first authentication message for a communication device existing under the authentication relay, and execute network access authentication process with the communication device, and the address notifying unit notifies the communication device of the server's address information in accordance with a result of the network access authentication process.
    Type: Grant
    Filed: December 10, 2012
    Date of Patent: July 7, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasuyuki Tanaka, Yoshihiro Oba, Mitsuru Kanda
  • Patent number: 9065639
    Abstract: There is provided an authentication device in which a network access authenticating unit executes a first network access authentication process with a communication device; master key generator generates a first master key shared with the communication device in accordance with a result of the first network access authentication process; an application-oriented encryption key generator generates a first encryption key for an application, which is shared with the communication device, on the basis of the first master key; a master key identifier determiner determines an identifier of the first master key; and an application-oriented encryption key identifier determiner determines an identifier of the first encryption key for the application in accordance with the identifier of the first master key.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: June 23, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasuyuki Tanaka, Mitsuru Kanda
  • Patent number: 9065692
    Abstract: According to one embodiment, an information notification apparatus includes a table and a notifier. The table is configured to store information about root nodes and information related to the nodes. The notifier is configured to generate, when a communication node is a root node, new information for that root node. The notifier is further configured to read out, when the communication node is not a root node, the information from the table. The notifier is further configured to notify the communication node of the new information or the information read out from the table.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: June 23, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasuyuki Tanaka, Mitsuru Kanda
  • Patent number: 9058566
    Abstract: According to an embodiment, a control device includes a detecting unit, a communication unit, and a control unit. The detecting unit detects that a power-supplied device is connected to a power supply line relaying supply of power. The communication unit receives consumer authentication information including consumer identification information for identifying a consumer from a communication device when it is detected that the power-supplied device is connected to the power supply line, transmits the consumer authentication information to a first server, receives power-supply-availability determination information representing whether supply of power to the power-supplied device is possible or not, from the first server, and transmits power measurement information representing power supplied to the power-supplied device through the power supply line and the consumer identification information to a second server.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: June 16, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yoshihiro Oba, Yasuyuki Tanaka, Mitsuru Kanda
  • Patent number: 9007889
    Abstract: Provided are a communication device and a communication system capable of specifying a failure part in a network in which a time server and a communication path are made redundant. A communication device acquires time-related information from a plurality of time servers over a plurality of networks and compares the information to specify the failure part in the time servers or in the networks. A remote apparatus acquires time-related information from the communication device over the plurality of networks and compares the information to determine the failure of the communication device.
    Type: Grant
    Filed: March 14, 2012
    Date of Patent: April 14, 2015
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Mitsuru Kanda, Yasuyuki Kozakai, Kenichi Taniuchi
  • Publication number: 20150003317
    Abstract: According to one embodiment, there is provided a relay device including: a first connection unit to connect to a first network; a second connection unit to connect to a second network; a virtual link management unit to control setting and releasing of a virtual link to logically connect a gateway existing in the second network to the first network, according to a predetermined condition; a relay processing unit to determine a relay destination of a packet received from the first network; and a virtual link transmission/reception unit to transmit the packet to the gateway in association with the virtual link, when the relay destination of the packet is determined to be the gateway and the virtual link is set to the gateway.
    Type: Application
    Filed: June 24, 2014
    Publication date: January 1, 2015
    Inventors: Yoshihiro OBA, Mitsuru Kanda, Yasuyuki Tanaka
  • Patent number: 8886935
    Abstract: According to some embodiments, a key management apparatus for deploying in a smart grid system adapted to receive metering data from smart meters connected to at least one relay via a network, includes: a key control mechanism that derives a key array of individual purpose specific keys from one master key such that the purpose specific key in the key array are each independent cryptographic keys for each specific usage in an application or for each application if there is only one specific usage in an application.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: November 11, 2014
    Assignees: Kabushiki Kaisha Toshiba, Telcordia Technologies Inc.
    Inventors: Yoshihiro Ohba, Mitsuru Kanda, Subir Das, David Famolari
  • Patent number: 8863228
    Abstract: An energy management apparatus includes: a communicator capable of communicating with at least a meter apparatus among the meter apparatus and a server apparatus that collects measurement information from the meter apparatus; a device registration processor configured to determine whether the direct communicator to the server apparatus can communicate with the server apparatus; if the direct communication is possible, transmit to the server apparatus a device registration message that requests to register a device identifier of the meter apparatus and a device identifier of the energy management apparatus; and, if the direct communication to the server apparatus is not possible, transmit the device registration message for the server apparatus to the meter apparatus; a communication processor configured to obtain energy control information of the device transmitted from the server apparatus; and a control executor configured to control the used energy amount of the device based on the energy control informati
    Type: Grant
    Filed: May 18, 2012
    Date of Patent: October 14, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasuyuki Nishibayashi, Takeshi Saito, Mitsuru Kanda, Keiichi Teramoto, Yoshihiro Oba
  • Patent number: 8762796
    Abstract: In an embodiment, provided is a communication device connected to time servers via a network with transfer devices. In the communication device: a network controller receives a message containing time information counted by the time server and containing a network identifier, and obtains a receiving timing of the message; a network processing unit, when the network identifier in the message does not match with any network identifier, destroys the message; a protocol processing unit, when the network identifier has a match, calculates a time error by the time information in the message and the receiving timing, detects whether a first time server is malfunctioning, and when detected the first time server malfunctioning, outputs the time error calculated by a network identifier assigned to a second time server; a servo calculates an operation amount by the time error; and a clock varies a clock rate according to the operation amount.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: June 24, 2014
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Yasuyuki Kozakai, Mitsuru Kanda
  • Publication number: 20140157386
    Abstract: According to one embodiment, there is provided a communication device including a first communication layer receiving processor to perform a receiving process on a first communication layer on data received from a first communication device. The first communication layer receiving processor includes a first key identifying unit to identify, a key required to process the data; a first attribute identifying unit to identify, pursuant to key data, first attribute information that is attribute information associated with the key as identified; and a data processor to process the data using the key as identified. The data processed by the data processor and the first attribute information are passed to a second communication layer processor configured to perform a process on a second communication layer.
    Type: Application
    Filed: November 25, 2013
    Publication date: June 5, 2014
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Yasuyuki TANAKA, Mitsuru Kanda, Seijiro Yoneyama, Yoshiki Terashima
  • Publication number: 20140157373
    Abstract: According to one embodiment, there is provided an authentication apparatus, including: a communication unit, a verifier and a connection configuration checker. The communication unit receives a message related to network access authentication on a first communication apparatus, the message including an address of the first communication apparatus and more than zero address of an authentication relay. The verifier verifies an authenticity of the first communication apparatus in response to receipt of the message by the communication unit. The connection configuration checker identifies a first destination to which the first communication apparatus intends to connect, on the basis of the address of the first communication apparatus or the address of the authentication relay included in the message when verification succeeds, and determines whether to authorize connection by the first communication apparatus to the first destination or not.
    Type: Application
    Filed: November 25, 2013
    Publication date: June 5, 2014
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Yasuyuki TANAKA, Mitsuru KANDA
  • Publication number: 20140139690
    Abstract: An information processing apparatus has a communication part, a message receiving part, a network-information acquiring part, a peripheral-apparatus information managing part, a task accepting part, a task allocating part, a task processing part, a process-related information generating part, and a message transmitting part configured to generate a message that includes the process-related information and transmit the message including the process-related information to the other communication apparatuses via the communication part and the network.
    Type: Application
    Filed: November 18, 2013
    Publication date: May 22, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Yasuyuki TANAKA, Yoshihiro OBA, Mitsuru KANDA, Seijiro YONEYAMA, Takaomi MURAKAMI, Tatsuo KOZAKAYA, Ryuzo OKADA, Tomoki WATANABE
  • Publication number: 20140141823
    Abstract: According to an embodiment, a communication device includes an analyzer, a switching unit and a communication unit. The analyzer is configured to analyze an image taken at a periphery of the communication device. The switching unit is configured to switch a communication counterpart from a first communication device to a second communication device based on an analysis result of the image. The communication unit is configured to communicate with the second communication device after switching.
    Type: Application
    Filed: November 13, 2013
    Publication date: May 22, 2014
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Tatsuo Kozakaya, Tomoki Watanabe, Ryuzo Okada, Yoshihiro Oba, Mitsuru Kanda, Yasuyuki Tanaka, Takaomi Murakami, Seijiro Yoneyama
  • Publication number: 20140139663
    Abstract: According to an embodiment, a wireless communication device includes a detector to detect a mobile object by referring to sensing information; a first communicating unit to communicate mobile object information, which is related to a detection result of the mobile object, with another wireless communication device; a first calculator to calculate a moving path of the mobile object between wireless communication devices by referring to the detection result of the mobile object and mobile object information received from the other wireless communication device; a second communicating unit to communicate movement information, which is related to the moving path of the mobile object, with the other wireless communication device; and a second calculator to calculate distances between wireless communication devices that are dependent on the number of times of movement in the moving path by referring to the calculated moving path and movement information received from the other wireless communication device.
    Type: Application
    Filed: November 7, 2013
    Publication date: May 22, 2014
    Applicant: KABUSHIKI KAISHA TOHSIBA
    Inventors: Tomoki Watanabe, Tatsuo Kozakaya, Ryuzo Okada, Yoshihiro Oba, Mitsuru Kanda, Seijiro Yoneyama, Yasuyuki Tanaka, Takaomi Murakami