Patents by Inventor Tadanobu TSUNODA
Tadanobu TSUNODA 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: 20230327877Abstract: A verification system includes a server that includes a first processor configured to generate a hash value according to a first algorithm by using a public key associated with a user and a first message; and a terminal that includes a second processor configured to generate a collision generation value by a second algorithm based on the first message, a second message, and a private key that is paired with the public key so that the hash value is generated in a case where the collision generation value is input to the first algorithm together with the public key and the second message, and transmit the collision generation value and the second message to another terminal that is to be guaranteed that the second message has been provided by the user.Type: ApplicationFiled: June 14, 2023Publication date: October 12, 2023Applicant: FUJITSU LIMITEDInventors: Tadanobu TSUNODA, Koichi YASAKI, Yosuke NAKAMURA, Rikuhiro KOJIMA, Dai YAMAMOTO, Kazuaki NIMURA
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Publication number: 20230221987Abstract: A control method executed by a computer, including: when accepting execution instructions for a first task and a second task, adding an operation code that causes execution of an operation, to a processing program that corresponds to the first task, and generating a first program that includes the processing program and the operation code; encrypting a second program that corresponds to the second task to generate encrypted data, by using an operation result obtained based on the execution of the operation; and transmitting the first program and the encrypted data to a device that corresponds to the first task.Type: ApplicationFiled: March 8, 2023Publication date: July 13, 2023Applicant: FUJITSU LIMITEDInventors: Tadanobu TSUNODA, Dai YAMAMOTO, Kazuaki NIMURA
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Publication number: 20230216692Abstract: A control method implemented by a computer, the control method including: receiving, from a user, a usage instruction that instructs to use a first service; notifying first processing that provides the first service of identification information of a second service to which the user is logged in when the usage instruction is received; receiving a condition from the first processing according to the notification of the identification information; and instructing second processing that provides the second service to notify the first processing of information according to the condition.Type: ApplicationFiled: March 10, 2023Publication date: July 6, 2023Applicant: FUJITSU LIMITEDInventors: Koichi YASAKI, Dai YAMAMOTO, Yosuke NAKAMURA, Tadanobu TSUNODA, Rikuhiro KOJIMA, Kazuaki NIMURA
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Publication number: 20230195339Abstract: A control method implemented by a computer, the control method including: receiving designation of data permitted to be accessed by a specific service, among data stored in a first storage; and in response to the receiving the designation of the data, outputting an instruction to store the designated data in a second storage isolated from the first storage.Type: ApplicationFiled: February 15, 2023Publication date: June 22, 2023Applicant: FUJITSU LIMITEDInventors: Koichi YASAKI, Dai YAMAMOTO, Yosuke NAKAMURA, Tadanobu TSUNODA, Rikuhiro KOJIMA, Kazuaki NIMURA
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Publication number: 20230186241Abstract: A generation method for a computer to execute a process includes acquiring data of a document that accepts input of signature by a plurality of users according to an attribute of the document; adding first information to the data, the first information indicating a plurality of areas in the document, the first information being used for specifying an order of requestee users of a procedure that involves the signature in a workflow regarding the document; and outputting the data of the document with the first information.Type: ApplicationFiled: February 8, 2023Publication date: June 15, 2023Applicant: FUJITSU LIMITEDInventors: Yosuke NAKAMURA, Rikuhiro KOJIMA, Tadanobu TSUNODA, Koichi YASAKI, Dai YAMAMOTO, Kazuaki NIMURA
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Publication number: 20230185616Abstract: A control method for a computer to execute a process includes detecting, by a first information processing device, a first data operation for a cloud service executed by an information processing system; notifying, by the first information processing device, a second information processing device of content of the first data operation; determining, by the second information processing device, to execute first processing on data that is a target of the first data operation based on the notified content of the first data operation; instructing, by the second information processing device, the first information processing device to execute the first processing; and executing, by the first information processing device, the first processing on the data when instructed to execute the first processing on the data.Type: ApplicationFiled: February 6, 2023Publication date: June 15, 2023Applicant: FUJITSU LIMITEDInventors: Yosuke NAKAMURA, Rikuhiro KOJIMA, Tadanobu TSUNODA, Koichi YASAKI, Dai YAMAMOTO, Kazuaki NIMURA
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Patent number: 11265313Abstract: An authentication control device includes one or more memories, and one or more processors coupled to the one or more memories and the one or more processor configured to perform storing of a first authentication key received from a server device in the one or more memories, the first authentication key relating to a second authentication key stored in a terminal of a user, in communication between the authentication control device and the terminal in the state where the authentication control device is uncommunicable with the server device, in response to receiving, from the terminal, first information encoded in accordance with the second authentication key, perform decoding of the first information by the stored first authentication key, and execute an authentication process of the user in accordance with second information acquired by the decoding.Type: GrantFiled: March 29, 2019Date of Patent: March 1, 2022Assignee: FUJITSU LIMITEDInventors: Hidenobu Ito, Kazuaki Nimura, Yosuke Nakamura, Koichi Yasaki, Takuya Sakamoto, Tadanobu Tsunoda
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Patent number: 11082214Abstract: A key generation apparatus includes a memory, a communication interface, and a processor. The memory stores a first private key corresponding to a first public key. The communication interface communicates with a peer apparatus that stores the first public key. The processor generates a second public key and a second private key in response to a key update request from the peer apparatus, generates a digital signature by encrypting data including the second public key with the first private key, and sends a message including the data and the digital signature to the peer apparatus. In addition, the processor switches the first private key to the second private key.Type: GrantFiled: October 1, 2019Date of Patent: August 3, 2021Assignee: FUJITSU LIMITEDInventors: Koichi Yasaki, Tadanobu Tsunoda, Kazuaki Nimura
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Patent number: 11076293Abstract: An access control device includes a processor configured to: receive a request for a connection via wireless communication from a terminal, issue a password from a first device for supporting a reading scheme for the terminal in response to a reception of the request for the connection, and transmit, to the terminal, a first program for generating a key information item of the terminal and acquiring authentication data corresponding to the password read by the reading scheme for the terminal, receive a response including the key information item and the authentication data from the terminal and determine whether the terminal is authorized based on the authentication data included in the response, and associate the key information item included in the response with identification information of the terminal and execute a process of establishing the connection to the terminal when the processor determines that the terminal is authorized.Type: GrantFiled: March 26, 2019Date of Patent: July 27, 2021Assignee: FUJITSU LIMITEDInventors: Koichi Yasaki, Tadanobu Tsunoda, Kazuaki Nimura, Hidenobu Ito
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Publication number: 20210224703Abstract: A generation method implemented by a computer, the method includes: calculating a degree of similarity between a business entity being evaluated and a counterparty business entity that has a business relationship with the business entity being evaluated; and generating information on a degree of trust in the business entity being evaluated, based on the calculated degree of similarity.Type: ApplicationFiled: December 21, 2020Publication date: July 22, 2021Applicant: FUJITSU LIMITEDInventors: Tadanobu Tsunoda, Kazuya UNO, Dai YAMAMOTO
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Publication number: 20200244724Abstract: An information processing device includes a memory; and a processor coupled to the memory and the processor configured to: acquire file data to be used by a terminal; generate multiple tallies from the file data; transmit at least one tally among the multiple tallies to an external device; generate attribute information including information of the file data and information of the external device; transmit, to the terminal, the generated attribute information and the multiple tallies except for the at least one tally transmitted to the external device; and transmit the attribute information to the external device.Type: ApplicationFiled: January 22, 2020Publication date: July 30, 2020Applicant: FUJITSU LIMITEDInventors: Tadanobu Tsunoda, Koichi Yasaki, Kazuaki Nimura
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Publication number: 20200178080Abstract: A key generation apparatus includes a memory, a communication interface, and a processor. The memory stores a first private key corresponding to a first public key. The communication interface communicates with a peer apparatus that stores the first public key. The processor generates a second public key and a second private key in response to a key update request from the peer apparatus, generates a digital signature by encrypting data including the second public key with the first private key, and sends a message including the data and the digital signature to the peer apparatus. In addition, the processor switches the first private key to the second private key.Type: ApplicationFiled: October 1, 2019Publication date: June 4, 2020Applicant: FUJITSU LIMITEDInventors: KOICHI YASAKI, Tadanobu Tsunoda, Kazuaki Nimura
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Patent number: 10511677Abstract: An information processing method executed by a processor included in an information processing device, the information processing device including a sensor, the information processing method includes acquiring information of a location of the information processing device using the sensor; determining a distribution area with which one or more applications are associated; specifying a terminal device that communicates with the information processing device via a network; extracting one or more applications associated with the distribution area where the location of the information processing device is included; and transmitting the extracted one or more applications to the specified terminal device.Type: GrantFiled: October 26, 2017Date of Patent: December 17, 2019Assignee: FUJITSU LIMITEDInventors: Tadanobu Tsunoda, Takashi Ohno, Tatsuro Matsumoto
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Publication number: 20190334889Abstract: An authentication control device includes one or more memories, and one or more processors coupled to the one or more memories and the one or more processor configured to perform storing of a first authentication key received from a server device in the one or more memories, the first authentication key relating to a second authentication key stored in a terminal of a user, in communication between the authentication control device and the terminal in the state where the authentication control device is uncommunicable with the server device, in response to receiving, from the terminal, first information encoded in accordance with the second authentication key, perform decoding of the first information by the stored first authentication key, and execute an authentication process of the user in accordance with second information acquired by the decoding.Type: ApplicationFiled: March 29, 2019Publication date: October 31, 2019Applicant: FUJITSU LIMITEDInventors: HIDENOBU ITO, Kazuaki Nimura, Yosuke Nakamura, KOICHI YASAKI, Takuya SAKAMOTO, Tadanobu Tsunoda
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Publication number: 20190306715Abstract: An access control device includes a processor configured to: receive a request for a connection via wireless communication from a terminal, issue a password from a first device for supporting a reading scheme for the terminal in response to a reception of the request for the connection, and transmit, to the terminal, a first program for generating a key information item of the terminal and acquiring authentication data corresponding to the password read by the reading scheme for the terminal, receive a response including the key information item and the authentication data from the terminal and determine whether the terminal is authorized based on the authentication data included in the response, and associate the key information item included in the response with identification information of the terminal and execute a process of establishing the connection to the terminal when the processor determines that the terminal is authorized.Type: ApplicationFiled: March 26, 2019Publication date: October 3, 2019Applicant: FUJITSU LIMITEDInventors: KOICHI YASAKI, Tadanobu Tsunoda, Kazuaki Nimura, HIDENOBU ITO
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Patent number: 10338734Abstract: An information processing device includes: a memory; and a processor coupled to the memory and configured to execute reception processing that includes receiving event information from a plurality of terminal devices, execute conversion processing that includes converting the event information received in a predetermined time period to a multitouch event in a format describing a plurality of touch events that occur at the same time; and execute notification processing that includes notifying a target application of the multitouch event via an operating system.Type: GrantFiled: June 15, 2017Date of Patent: July 2, 2019Assignee: FUJITSU LIMITEDInventors: Tadanobu Tsunoda, Koki Hatada, Shan Jiang
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Patent number: 10339028Abstract: An information processing device includes a memory and a processor coupled to the memory and configured to determine a priority level of an application that provides a service depending on a predetermined state, using relation information between the predetermined states, and control storing log of the application in the memory, depending on the priority level of the application.Type: GrantFiled: November 29, 2016Date of Patent: July 2, 2019Assignee: FUJITSU LIMITEDInventors: Tadanobu Tsunoda, Naoki Nishiguchi, Akira Fujii, Tatsuro Matsumoto
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Publication number: 20180146052Abstract: An information processing method executed by a processor included in an information processing device, the information processing device including a sensor, the information processing method includes acquiring information of a location of the information processing device using the sensor; determining a distribution area with which one or more applications are associated; specifying a terminal device that communicates with the information processing device via a network; extracting one or more applications associated with the distribution area where the location of the information processing device is included; and transmitting the extracted one or more applications to the specified terminal device.Type: ApplicationFiled: October 26, 2017Publication date: May 24, 2018Applicant: FUJITSU LIMITEDInventors: Tadanobu Tsunoda, Takashi Ohno, Tatsuro Matsumoto
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Publication number: 20180011589Abstract: An information processing device includes: a memory; and a processor coupled to the memory and configured to execute reception processing that includes receiving event information from a plurality of terminal devices, execute conversion processing that includes converting the event information received in a predetermined time period to a multitouch event in a format describing a plurality of touch events that occur at the same time; and execute notification processing that includes notifying a target application of the multitouch event via an operating system.Type: ApplicationFiled: June 15, 2017Publication date: January 11, 2018Applicant: FUJITSU LIMITEDInventors: Tadanobu Tsunoda, Koki Hatada, Shan Jiang
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Publication number: 20170366534Abstract: An application delivery method includes detecting, by a server, a first terminal present in a specific area and transmitting, by the server, to the detected first terminal, a first application associated with the specific area and a second application having a function of relaying the first application to a second terminal; and invoking, by the first terminal, the second application outside the specific area and transmitting by the first terminal using the second application, the first application to the second terminal that has been detected.Type: ApplicationFiled: August 11, 2017Publication date: December 21, 2017Applicant: FUJITSU LIMITEDInventors: Tadanobu TSUNODA, Zhaogong GUO, Naoki NISHIGUCHI, Akira FUJII