Patents by Inventor Yoshikazu Azuma
Yoshikazu Azuma 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: 11153301Abstract: A communication system and method for managing guest user network connections includes: a first communicator configured to communicate with a terminal apparatus; an authentication unit configured to transmit an authentication screen for inputting authentication information by a guest user accessing the terminal apparatus; a connection guiding unit configured to connect communication made from the terminal apparatus via the first communicator to the authentication unit; a display unit configured to display the authentication information input to the authentication screen and output by the terminal apparatus that has been connected to the authentication unit by the connection guiding unit and to which the authentication screen has been transmitted; and a connection control unit configured to permit connection of the terminal apparatus to a network via a second communicator in accordance with a host user input received by the input unit according to a display by the display unit.Type: GrantFiled: April 14, 2016Date of Patent: October 19, 2021Assignee: RICOH COMPANY, LTD.Inventor: Yoshikazu Azuma
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Patent number: 10567958Abstract: A communications system includes a first communications part configured to perform communications with a terminal apparatus, a second communications part configured to perform communications via a network, a connection controller configured to start establishing a connection or release a connection between the first communications part and the second communications part, a display part configured to display authentication information transmitted from the terminal apparatus, an input part configured to receive an input from a user, and a connection manager configured to manage a time to allow the user to have a connection to the network in accordance with an instruction input by the user when the authentication information displayed by the display part matches authentication information reported in advance to the user who has been allowed to have the connection to the network.Type: GrantFiled: April 12, 2016Date of Patent: February 18, 2020Assignee: RICOH COMPANY, LTD.Inventors: Yuko Nagashige, Yoshikazu Azuma, Takayuki Kunieda, Tatsuo Miyachi
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Patent number: 10298454Abstract: A communication path switching apparatus in an application unit that executes a certain function of performing wireless communication with another communication apparatus, a data switching unit that forwards data for causing the application unit to execute the certain function, a control unit that makes the setting for causing the data switching unit to forward the data, and a virtual device unit that forwards the data forwarded from the data switching unit to the application unit based on the setting made by the control unit.Type: GrantFiled: November 9, 2015Date of Patent: May 21, 2019Assignee: RICOH COMPANY, LTD.Inventors: Kiwamu Watanabe, Yoshikazu Azuma
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Patent number: 10177973Abstract: A communication apparatus which communicates with one or more other communication apparatuses via a network, includes: one or more communication interfaces being used for communication with the one or more other communication terminals; a selection unit connected to the one or more communication interfaces and selecting at least one communication interface that is used in accordance with an instruction from a control device which controls communications; and a network establish unit establishing a virtual network by forming a virtual communication path which directly connects between the at least one communication interface selected by the selection unit and a communication interface included in at least one communication apparatus among the one or more other communication apparatuses.Type: GrantFiled: April 16, 2015Date of Patent: January 8, 2019Assignee: RICOH COMPANY, LTD.Inventor: Yoshikazu Azuma
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Publication number: 20180145961Abstract: A communication system includes: a first communication unit configured to communicate with a terminal apparatus; an authentication unit configured to transmit an authentication screen for inputting authentication information, in response to access from the terminal apparatus; a connection guiding unit configured to connect communication made from the terminal apparatus via the first communication unit and addressed to any destination, to the authentication unit; a display unit configured to display the authentication information input to the authentication screen and output by the terminal apparatus that has been connected to the authentication unit by the connection guiding unit and to which the authentication screen has been transmitted; and a connection control unit configured to permit connection of the terminal apparatus to a network via a second communication unit in accordance with the user input received by the input unit according to display by the display unit.Type: ApplicationFiled: April 14, 2016Publication date: May 24, 2018Inventor: Yoshikazu AZUMA
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Patent number: 9907108Abstract: In the present invention, a connection controller controls opening/closing of connection between a first communication unit that communicates with a terminal device and a second communication unit that communicates via a network. A connection setting unit instructs opening/closing of the connection to the connection controller in accordance with a user input received by an input unit in accordance with first identification information output from the terminal device displayed on a display unit.Type: GrantFiled: September 12, 2014Date of Patent: February 27, 2018Assignee: Ricoh Company, LimitedInventors: Takayuki Kunieda, Tatsuo Miyachi, Yoshikazu Azuma
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Publication number: 20170310545Abstract: A communication path switching apparatus in an application unit that executes a certain function of performing wireless communication with another communication apparatus, a data switching unit that forwards data for causing the application unit to execute the certain function, a control unit that makes the setting for causing the data switching unit to forward the data, and a virtual device unit that forwards the data forwarded from the data switching unit to the application unit based on the setting made by the control unit.Type: ApplicationFiled: November 9, 2015Publication date: October 26, 2017Applicant: RICOH COMPANY, LTD.Inventors: Kiwamu WATANABE, Yoshikazu AZUMA
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Patent number: 9661550Abstract: Disclosed is a communication apparatus capable of performing communications with another communication apparatus. The communication apparatus includes a plurality of communication interfaces using different communication paths, an information acquisition part configured to acquire information associated with the communication paths available to the communication apparatus and the other communication apparatus, a controller configured to select one of the communication interfaces for use in the communications with the other communication apparatus based on the information associated with the communication paths acquired from the information acquisition part, and a switcher configured to switch the communication interface used by the communication apparatus to the communication interface selected by the controller.Type: GrantFiled: December 15, 2014Date of Patent: May 23, 2017Assignee: RICOH COMPANY, LTD.Inventor: Yoshikazu Azuma
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Publication number: 20170048103Abstract: A communication apparatus which communicates with one or more other communication apparatuses via a network, includes: one or more communication interfaces being used for communication with the one or more other communication terminals; a selection unit connected to the one or more communication interfaces and selecting at least one communication interface that is used in accordance with an instruction from a control device which controls communications; and a network establish unit establishing a virtual network by forming a virtual communication path which directly connects between the at least one communication interface selected by the selection unit and a communication interface included in at least one communication apparatus among the one or more other communication apparatuses.Type: ApplicationFiled: April 16, 2015Publication date: February 16, 2017Applicant: RICOH COMPANY, LTD.Inventor: Yoshikazu AZUMA
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Publication number: 20160309525Abstract: A communications system includes a first communications part configured to perform communications with a terminal apparatus, a second communications part configured to perform communications via a network, a connection controller configured to start establishing a connection or release a connection between the first communications part and the second communications part, a display part configured to display authentication information transmitted from the terminal apparatus, an input part configured to receive an input from a user, and a connection manager configured to manage a time to allow the user to have a connection to the network in accordance with an instruction input by the user when the authentication information displayed by the display part matches authentication information reported in advance to the user who has been allowed to have the connection to the network.Type: ApplicationFiled: April 12, 2016Publication date: October 20, 2016Inventors: Yuko NAGASHIGE, Yoshikazu AZUMA, Takayuki KUNIEDA, Tatsuo MIYACHI
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Patent number: 9301138Abstract: A wireless communication apparatus includes an optical wireless receiving unit receiving a pseudo random number; an authentication code generator generating an authentication code based on the pseudo random number received by the optical wireless receiving unit; and a wireless communication unit determining whether authentication using the authentication code with a given wireless communication apparatus is successful, and performing wireless communications with the given wireless communication apparatus when determining that the authentication using the authentication code with a given wireless communication apparatus is successful.Type: GrantFiled: August 20, 2013Date of Patent: March 29, 2016Assignee: RICOH COMPANY, LTD.Inventor: Yoshikazu Azuma
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Publication number: 20150181499Abstract: Disclosed is a communication apparatus capable of performing communications with another communication apparatus. The communication apparatus includes a plurality of communication interfaces using different communication paths, an information acquisition part configured to acquire information associated with the communication paths available to the communication apparatus and the other communication apparatus, a controller configured to select one of the communication interfaces for use in the communications with the other communication apparatus based on the information associated with the communication paths acquired from the information acquisition part, and a switcher configured to switch the communication interface used by the communication apparatus to the communication interface selected by the controller.Type: ApplicationFiled: December 15, 2014Publication date: June 25, 2015Applicant: RICOH COMPANY, LTD.Inventor: Yoshikazu Azuma
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Publication number: 20150078362Abstract: In the present invention, a connection controller controls opening/closing of connection between a first communication unit that communicates with a terminal device and a second communication unit that communicates via a network. A connection setting unit instructs opening/closing of the connection to the connection controller in accordance with a user input received by an input unit in accordance with first identification information output from the terminal device displayed on a display unit.Type: ApplicationFiled: September 12, 2014Publication date: March 19, 2015Applicant: RICOH COMPANY, LIMITEDInventors: Takayuki KUNIEDA, Tatsuo MIYACHI, Yoshikazu AZUMA
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Patent number: 8739263Abstract: A communication apparatus includes a first communication unit that performs a wireless communication with two storage media that store therein association information for establishing a wireless connection and user identification information for identifying a user, respectively, and receives the association information and the user identification from the two storage media; a determination unit that performs user authentication based on the user identification information, determines whether or not to validate the association information based on the user authentication, and if the association information is determined to be valid, sets the association information; and a second communication unit that establishes a wireless connection based on the association information set by the determination unit.Type: GrantFiled: March 15, 2011Date of Patent: May 27, 2014Assignee: Ricoh Company, Ltd.Inventor: Yoshikazu Azuma
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Publication number: 20140059643Abstract: A wireless communication apparatus includes an optical wireless receiving unit receiving a pseudo random number; an authentication code generator generating an authentication code based on the pseudo random number received by the optical wireless receiving unit; and a wireless communication unit determining whether authentication using the authentication code with a given wireless communication apparatus is successful, and performing wireless communications with the given wireless communication apparatus when determining that the authentication using the authentication code with a given wireless communication apparatus is successful.Type: ApplicationFiled: August 20, 2013Publication date: February 27, 2014Inventor: Yoshikazu AZUMA
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Publication number: 20120240232Abstract: A quarantine network system includes a quarantine control apparatus and a quarantine client connectable with each other. The quarantine control apparatus includes a receiving unit to receive verification information of the quarantine client, an identification unit to identify a security policy that the quarantine client is required to conform to, and an inspection request unit to transmit an inspection request to the quarantine client, requesting the quarantine client to inspect conformance/non-conformance to the identified security policy.Type: ApplicationFiled: March 7, 2012Publication date: September 20, 2012Applicant: RICOH COMPANY, LTD.Inventor: Yoshikazu Azuma
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Patent number: 8127340Abstract: An authentication unit performs an authentication processing to obtain a permission for a physical interface including a driver to establish a connection to a network to perform a data transfer. A detecting unit detects authentication state information indicating a state of the authentication processing. Upon receiving the authentication state information from the detecting unit, a transmission control unit controls a transmission of data received from a module for performing a communication based on a protocol of an upper-level layer with respect to a data link layer to an external device based on the state of the authentication processing.Type: GrantFiled: September 5, 2008Date of Patent: February 28, 2012Assignee: Ricoh Company, LimitedInventor: Yoshikazu Azuma
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Publication number: 20110231922Abstract: A communication apparatus includes a first communication unit that performs a wireless communication with two storage media that store therein association information for establishing a wireless connection and user identification information for identifying a user, respectively, and receives the association information and the user identification from the two storage media; a determination unit that performs user authentication based on the user identification information, determines whether or not to validate the association information based on the user authentication, and if the association information is determined to be valid, sets the association information; and a second communication unit that establishes a wireless connection based on the association information set by the determination unit.Type: ApplicationFiled: March 15, 2011Publication date: September 22, 2011Applicant: RICOH COMPANY, LTD.Inventor: Yoshikazu AZUMA
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Publication number: 20110075186Abstract: An image processing apparatus according to the present invention includes a sub communication unit that receives an association process request using wireless communication and executes an association process and includes a main communication unit that performs wireless communication in accordance with association information that is used in the association process and in accordance with setup information that is setting information on wireless communication that can be set for each system of the association process request.Type: ApplicationFiled: September 27, 2010Publication date: March 31, 2011Inventor: Yoshikazu AZUMA
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Publication number: 20090077187Abstract: A communication apparatus working as a sub-device wirelessly transmits/receives encrypted data to/from a plurality of communication apparatuses working as main-devices. Upon detecting a plurality of connectable main-devices, the sub-device determines a target main-device for establishing communication based on priority of the detected main-devices. When the sub-device is disconnected from the main-device with which it is communicating, the sub-device automatically switches to another connectable main-device based on the priority of the detected main-devices.Type: ApplicationFiled: September 10, 2008Publication date: March 19, 2009Inventor: Yoshikazu AZUMA