Patents by Inventor Tatsuro Ikeda
Tatsuro Ikeda 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: 11954812Abstract: A preprocessing device includes processing circuitry configured to acquire coordinate information of respective vertexes of a polygon for inside/outside determination and the coordinate information of the respective vertexes of the polygon for inside/outside determination and rotate a coordinate to be determined and the polygon for inside/outside determination as preprocessing of determination processing of determining whether the coordinate to be determined exists inside or outside the polygon for inside/outside determination, and output coordinate information of respective vertexes of the rotated polygon for inside/outside determination and the rotated coordinate to be determined as rotated coordinate information.Type: GrantFiled: September 12, 2019Date of Patent: April 9, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kazuhiro Miyahara, Tatsuro Kimura, Ichibe Naito, Atsushi Isomura, Tomoya Ikeda
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Patent number: 11912638Abstract: A method for producing cumene involves subjecting cumyl alcohol to (a) hydrocracking reaction, or (b) dehydration and subsequent hydrogenation reaction, to obtain cumene. The method includes the following steps: (A): feeding a liquid containing cumene to a reactor loaded with a catalyst, (B): feeding hydrogen and a liquid containing cumyl alcohol to the reactor after the step (A).Type: GrantFiled: August 6, 2020Date of Patent: February 27, 2024Assignee: SUMITOMO CHEMICAL COMPANY, LIMITEDInventors: Hirofumi Koike, Tatsuro Uekusa, Shoko Ikeda
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Patent number: 11397821Abstract: A remote access control system includes a remote access control apparatus and a communication relay apparatus. The remote access control apparatus is configured to establish a predetermined communication session with the communication relay apparatus through predetermined connection target information obtaining processing performed by active connection to the remote access control apparatus from the communication relay apparatus, to transmit a secure communication connection start command to the communication relay apparatus, to receive a secure communication connection request from the communication relay apparatus to perform processing for establishing a first secure communication session, and to receive a secure communication connection request from the user apparatus based on the result of the establishment of the first secure communication session to perform processing for establishing a second secure communication session.Type: GrantFiled: March 28, 2018Date of Patent: July 26, 2022Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA DIGITAL SOLUTIONS CORPORATIONInventors: Toshiharu Oya, Tatsuyuki Matsushita, Tatsuro Ikeda, Fangming Zhao
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Publication number: 20220115093Abstract: A terminal device according to an embodiment includes an accepting unit, a secret value generating unit, a response data generating unit, and an output unit. The accepting unit accepts an inquiry about genome data of each user. The secret value generating unit generates a secret value by applying a one-way function to the genome data. The response data generating unit generates response data to the inquiry on the basis of the secret value generated by the secret value generating unit and contents of the inquiry. The output unit outputs the response data generated by the response data generating unit.Type: ApplicationFiled: January 30, 2020Publication date: April 14, 2022Applicants: Kabushiki Kaisha Toshiba, Toshiba Digital Solutions CorporationInventors: Shingo MIYAZAKI, Masanobu KOIKE, Fumihiko SANO, Tatsuro IKEDA, Yoshikazu HANATANI, Taihei YAMAGUCHI
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Publication number: 20210019431Abstract: A remote access control system includes a remote access control apparatus and a communication relay apparatus. The remote access control apparatus is configured to establish a predetermined communication session with the communication relay apparatus through predetermined connection target information obtaining processing performed by active connection to the remote access control apparatus from the communication relay apparatus, to transmit a secure communication connection start command to the communication relay apparatus, to receive a secure communication connection request from the communication relay apparatus to perform processing for establishing a first secure communication session, and to receive a secure communication connection request from the user apparatus based on the result of the establishment of the first secure communication session to perform processing for establishing a second secure communication session.Type: ApplicationFiled: March 28, 2018Publication date: January 21, 2021Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA DIGITAL SOLUTIONS CORPORATIONInventors: Toshiharu OYA, Tatsuyuki MATSUSHITA, Tatsuro IKEDA, Fangming ZHAO
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Patent number: 10646951Abstract: A welding device includes a lower tip and an upper tip, as welding tips, and pressuring members. The pressuring members are supported by a support member disposed in the upper tip. The pressuring members are displaced by the action of pressuring member displacement mechanisms and, together with the upper tip, come into contact with a metal plate arranged on the outermost part of a laminated body.Type: GrantFiled: September 27, 2011Date of Patent: May 12, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Akira Goto, Shinichi Miyasaka, Tatsuro Ikeda, Takahiro Morita
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Patent number: 10399174Abstract: The invention provides a switching electrode which has a small variation in resistance value even when a large amount of current is repeatedly cut off and can carry a stable amount of current even when it is continuously used. In the invention, the switching electrode is used in a switch which includes a first switching electrode tip (21) and a second switching electrode tip (22), brings the first switching electrode tip (21) and the second switching electrode tip (22) into surface contact with each other to carry a current, and separates the first switching electrode tip (21) and the second switching electrode tip (22) to cut off the current. At least one of contact surfaces of the first switching electrode tip (21) and the second switching electrode tip (22) is a flat surface having an uneven portion.Type: GrantFiled: April 30, 2013Date of Patent: September 3, 2019Assignee: HONDA MOTOR CO., LTD.Inventors: Takahiro Morita, Shinichi Miyasaka, Yosuke Hiruma, Akira Goto, Tatsuro Ikeda
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Patent number: 10350698Abstract: The invention provides a switching electrode which has a small variation in resistance value even when a large amount of current is repeatedly cut off and can carry a stable amount of current even when it is continuously used. In the invention, the switching electrode is used in a switch which includes a first switching electrode tip (21) and a second switching electrode tip (22), brings the first switching electrode tip (21) and the second switching electrode tip (22) into surface contact with each other to carry a current, and separates the first switching electrode tip (21) and the second switching electrode tip (22) to cut off the current. At least one of contact surfaces of the first switching electrode tip (21) and the second switching electrode tip (22) is a flat surface having an uneven portion.Type: GrantFiled: April 30, 2013Date of Patent: July 16, 2019Assignee: HONDA MOTOR CO., LTD.Inventors: Takahiro Morita, Shinichi Miyasaka, Yosuke Hiruma, Akira Goto, Tatsuro Ikeda
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Patent number: 10185716Abstract: Upon receiving a medium storage request from a client apparatus, an information management server apparatus according to an embodiment evaluates, based on at least one policy file read out based on at least one parent management ID in the medium storage request and user information in the medium storage request, whether medium storage responding to the medium storage request is possible. Upon evaluating that the medium storage is possible, the information management server apparatus creates composite access control which do not violate any management rules included in the at least one policy file.Type: GrantFiled: September 26, 2014Date of Patent: January 22, 2019Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA SOLUTIONS CORPORATIONInventors: Shingo Miyazaki, Tatsuro Ikeda, Tomoaki Morijiri
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Patent number: 10178081Abstract: An authentication system according to an embodiment is provided with a service providing apparatus, an IDaaS corporation apparatus, and an authentication providing apparatus. Based on the user ID and SSO request transmitted from the user terminal, the authentication providing apparatus executes authentication processing for the user. If the result of the authentication processing indicates success, the IDaaS corporation apparatus having SSO account information including the SSO account identifier identical to the user ID, permits SSO authentication to be executed for the service identified by the service account identifier included in the service account information associated with the SSO account information. The service providing apparatus transmits information related to the service to the user terminal.Type: GrantFiled: May 6, 2016Date of Patent: January 8, 2019Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA SOLUTIONS CORPORATIONInventors: Rieko Tsurumi, Akio Nishimura, Tatsuro Ikeda
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Patent number: 10073961Abstract: An authentication system of an embodiment includes a control device, a user terminal, and a service providing device. The control device includes a storage unit, an information acquisition unit, an authentication processing unit, and a control management unit. The information acquisition unit acquires the authentication element for authentication.Type: GrantFiled: September 12, 2014Date of Patent: September 11, 2018Assignees: Kabushiki Kaisha Toshiba, TOSHIBA SOLUTIONS CORPORATIONInventors: Pakin Osotkraphun, Tatsuro Ikeda
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Patent number: 10065262Abstract: A resistance welding device is provided with a lower tip and an upper tip that serve as welding tips, and pressing rods that serve as pressing members. The upper tip and the pressing rods press a stacked body, which is to be welded, from the metallic plate side, which is the outermost member of the stacked body. The lower tip presses the stacked body from the lowermost metallic plate side. In this state, and electric current is conducted from the upper tip to the lower tip.Type: GrantFiled: September 5, 2011Date of Patent: September 4, 2018Assignee: HONDA MOTOR CO., LTD.Inventors: Akira Goto, Shinichi Miyasaka, Tatsuro Ikeda, Yushi Aoki, Mitsutaka Igaue
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Publication number: 20170277878Abstract: An authentication system of an embodiment includes a control device, a user terminal, and a service providing device. The control device includes a storage unit, an information acquisition unit, an authentication processing unit, and a control management unit. The information acquisition unit acquires the authentication element for authentication.Type: ApplicationFiled: September 12, 2014Publication date: September 28, 2017Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA SOLUTIONS CORPORATIONInventors: Pakin OSOTKRAPHUN, Tatsuro IKEDA
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Patent number: 9736151Abstract: According to an embodiment, a biometric reference information storage apparatus transmits, to the biometric reference information certificate generation apparatus, a biometric authentication context including the challenge information, the hash value of the biometric reference information, and a first digital signature. The biometric reference information certificate generation apparatus verifies the challenge information and the first digital signature. The biometric reference information certificate generation apparatus transmits a biometric reference information certificate to the biometric reference information storage apparatus. The biometric reference information storage apparatus writes the biometric reference information and the biometric reference information certificate in a storage module.Type: GrantFiled: March 26, 2015Date of Patent: August 15, 2017Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA SOLUTIONS CORPORATIONInventors: Tatsuro Ikeda, Asahiko Yamada, Koji Okada
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Publication number: 20160381554Abstract: According to one embodiment, a setting delivery device includes an initial setting unit sets a setting card, a setting switching unit switch content of the setting card, and a setting deliver unit delivers the setting card to the mobile terminals. The mobile terminal includes a setting acceptance unit accepts the setting card, a policy creation unit for creating a policy when the setting card indicates setting of the master, a policy delivery unit for delivering the policy to a different mobile terminal, a policy acceptance unit accepts the policy delivered from an other mobile terminal, when the setting card indicates setting of the slave, and a terminal controller configured to restrict a function according to the policy accepted.Type: ApplicationFiled: September 8, 2016Publication date: December 29, 2016Applicants: Kabushiki Kaisha Toshiba, Toshiba Solutions CorporationInventors: Shingo ABE, Tatsuro IKEDA, Tomoaki MORIJIRI
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Publication number: 20160248759Abstract: An authentication system according to an embodiment is provided with a service providing apparatus, an IDaaS corporation apparatus, and an authentication providing apparatus. Based on the user ID and SSO request transmitted from the user terminal, the authentication providing apparatus executes authentication processing for the user. If the result of the authentication processing indicates success, the IDaaS corporation apparatus having SSO account information including the SSO account identifier identical to the user ID, permits SSO authentication to be executed for the service identified by the service account identifier included in the service account information associated with the SSO account information. The service providing apparatus transmits information related to the service to the user terminal.Type: ApplicationFiled: May 6, 2016Publication date: August 25, 2016Inventors: Rieko Tsurumi, Akio Nishimura, Tatsuro Ikeda
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Patent number: 9386016Abstract: An authentication device receives each authentication context including an output information block, an input information block, and an authenticator block. The output information block includes a process result and process result identification information. The input information block includes a process result and process result identification information. The authentication device verifies each authenticator block. The authentication device searches for the output information block having the same value of process result identification information as the value of process result identification information in the input information block from other authentication contexts based on process result identification information in the input information block included in each authentication context.Type: GrantFiled: August 17, 2007Date of Patent: July 5, 2016Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA SOLUTIONS CORPORATIONInventors: Hidehisa Takamizawa, Asahiko Yamada, Tomoaki Morijiri, Koji Okada, Tatsuro Ikeda, Minoru Nishizawa, Yoshihiro Fujii
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Publication number: 20150200935Abstract: According to an embodiment, a biometric reference information storage apparatus transmits, to the biometric reference information certificate generation apparatus, a biometric authentication context including the challenge information, the hash value of the biometric reference information, and a first digital signature. The biometric reference information certificate generation apparatus verifies the challenge information and the first digital signature. The biometric reference information certificate generation apparatus transmits a biometric reference information certificate to the biometric reference information storage apparatus. The biometric reference information storage apparatus writes the biometric reference information and the biometric reference information certificate in a storage module.Type: ApplicationFiled: March 26, 2015Publication date: July 16, 2015Applicants: Kabushiki Kaisha Toshiba, Toshiba Solutions CorporationInventors: Tatsuro IKEDA, Asahiko YAMADA, Koji OKADA
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Publication number: 20150188916Abstract: According to one embodiment, there is provided a VPN connection authentication system including a user terminal that is used by a user, an authentication server that is connected to the user terminal and configured to communicate with the user terminal, a biometric authentication result evidence information verification server that is incorporated in the authentication server or is connected to the authentication server and configured to communicate with the authentication server, an authentication information management DB configured to be writable from the authentication server, and a VPN connection server that is connected to the user terminal by VPN and configured to communicate with the user terminal.Type: ApplicationFiled: March 13, 2015Publication date: July 2, 2015Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA SOLUTIONS CORPORATIONInventors: Asahiko YAMADA, Tatsuro IKEDA
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Patent number: 9059982Abstract: According to one embodiment, the ID provider device stores pieces of policy information for each service provider ID. The ID provider device outputs a policy evaluation request including the user ID used in the log-in processing and the service provider ID in the authentication federation request when the log-in processing is successful. The ID provider device reads the policy information in accordance with the service provider ID in the policy evaluation request. The ID provider device judges whether to permit the transmission of the service data in accordance with whether environmental conditions of the user for the execution of a service conform to the read policy information.Type: GrantFiled: May 9, 2013Date of Patent: June 16, 2015Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA SOLUTIONS CORPORATIONInventors: Minoru Nishizawa, Seiichiro Tanaka, Tatsuro Ikeda