Patents by Inventor Satoru Torii
Satoru Torii 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: 9407649Abstract: A log analysis device that classifies, based on a log collected from a network device, a plurality of attack target communication devices receiving attacks from an attack source communication device includes a correlation coefficient calculation unit that calculates, based on the log, a correlation coefficient relating to the number of the attacks in a time period during which the attacks were carried out for a combination of the plurality of attack target communication devices, the time period including a detection time at which and the detection period of time during which the network device detected the attack, and an extraction unit that extracts, as a high-correlation communication device group, a combination of the plurality of attack target communication devices, for which the correlation coefficient is equal to or greater than a prescribed threshold and of which the attack source communication device is identical in the time period.Type: GrantFiled: September 10, 2014Date of Patent: August 2, 2016Assignee: FUJITSU LIMITEDInventors: Satomi Honda, Yuki Fujishima, Masahiko Takenaka, Satoru Torii
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Publication number: 20160057169Abstract: An apparatus includes a memory, and a processor coupled to the memory and configured to specify a communication source device that performs a plurality of traffic confirmations of communications with a plurality of first devices, and control to discard a plurality of first authentication requests for the plurality of first devices generated by the communication source device after performing the plurality of traffic confirmations of communications.Type: ApplicationFiled: July 20, 2015Publication date: February 25, 2016Applicant: FUJITSU LIMITEDInventors: Satomi Honda, Masahiko Takenaka, Satoru Torii
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Publication number: 20150350193Abstract: The method is for detecting theft of authentication information for a communication device that provides a service for a user. The method includes storing, for each log-in request, a record of information on a log-in request source, authentication information that the log-in request source submits to the communication device when the log-in is performed, and information indicating a success or failure of the log-in using the authentication information; receiving information on an attack source against the communication device, from a management device of a network in which the communication device exists; determining that authentication information in the record is stolen by the attack source when information that indicates success of the log-in is stored in the record, the record including information on the log-in request source which is matched with the information on the attack source; and outputting the authentication information that is determined to be stolen.Type: ApplicationFiled: May 13, 2015Publication date: December 3, 2015Applicant: Fujitsu LimitedInventors: Satomi HONDA, Satoru TORII
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Publication number: 20150130995Abstract: An object of the present invention is to realize novel information processing which uses light field data. To attain the object, light field data which represents directions of light beams which are emitted from an object to an image pickup unit and intensity of the light beams is obtained, and the light field data is corrected on a coordinate of the light field data.Type: ApplicationFiled: May 22, 2013Publication date: May 14, 2015Inventors: Tomohiro Nishiyama, Kazuhiro Yoshimura, Yuichi Nakada, Satoru Torii, Masato Ogawa
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Publication number: 20150106930Abstract: A log analysis device that classifies, based on a log collected from a network device, a plurality of attack target communication devices receiving attacks from an attack source communication device includes a correlation coefficient calculation unit that calculates, based on the log, a correlation coefficient relating to the number of the attacks in a time period during which the attacks were carried out for a combination of the plurality of attack target communication devices, the time period including a detection time at which and the detection period of time during which the network device detected the attack, and an extraction unit that extracts, as a high-correlation communication device group, a combination of the plurality of attack target communication devices, for which the correlation coefficient is equal to or greater than a prescribed threshold and of which the attack source communication device is identical in the time period.Type: ApplicationFiled: September 10, 2014Publication date: April 16, 2015Inventors: SATOMI HONDA, Yuki Fujishima, Masahiko TAKENAKA, Satoru Torii
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Patent number: 8988449Abstract: Light source characteristic data representing the spectral characteristics and light distribution characteristics of a light source which illuminates a scene is input. Object characteristic data representing the spectral property of an object contained in the scene is input. Ray tracing is performed for respective rays having different wavelengths. A spectral radiance in each pixel of a computer graphics image representing the scene is calculated based on the light source characteristic data and the object characteristic data. The color signal values of each pixel are calculated from the spectral radiance in the each pixel, and the computer graphics image of the scene is generated.Type: GrantFiled: August 24, 2012Date of Patent: March 24, 2015Assignee: Canon Kabushiki KaishaInventors: Yoshitaka Sasaki, Satoru Torii
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Publication number: 20150081722Abstract: A computer is disclosed that performs an electronic mail creation process. The computer creates an electronic mail by referring to a storage part in which received electronic mails are stored, using at least one electronic mail of the received electronic mails stored in the storage part, the at least one electronic mail selected based on a criteria being set beforehand, and changing at least one of header information and a body text of the at least one electronic mail.Type: ApplicationFiled: September 5, 2014Publication date: March 19, 2015Inventors: Takeaki Terada, Satoru Torii, Masanobu Morinaga, Ikuya Morikawa, Kouichi ITOH, Hiroshi Tsuda
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Publication number: 20130069970Abstract: Light source characteristic data representing the spectral characteristics and light distribution characteristics of a light source which illuminates a scene is input. Object characteristic data representing the spectral property of an object contained in the scene is input. Ray tracing is performed for respective rays having different wavelengths. A spectral radiance in each pixel of a computer graphics image representing the scene is calculated based on the light source characteristic data and the object characteristic data. The color signal values of each pixel are calculated from the spectral radiance in the each pixel, and the computer graphics image of the scene is generated.Type: ApplicationFiled: August 24, 2012Publication date: March 21, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Yoshitaka Sasaki, Satoru Torii
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Patent number: 8379097Abstract: Upon correcting blur of image capture data of an image capturing device by coded exposure processing, an exposure time and aperture value, which are set by a photometry unit of the image capturing device according to an object, are input, and the exposure time or aperture value is adjusted based on a ratio of shutter open periods in an opening and closing pattern of a shutter used in the coded exposure processing. Then, a gain adjustment value of the image capture data corresponding to a deficiency of an exposure amount by the adjusted exposure time or aperture value is set, image capture by an image capturing unit of the image capturing device is controlled based on the opening and closing pattern, exposure time, and aperture value.Type: GrantFiled: June 25, 2012Date of Patent: February 19, 2013Assignee: Canon Kabushiki KaishaInventor: Satoru Torii
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Patent number: 8379096Abstract: A plurality of image capturing data time-divisionally exposed by a capturing unit are input. By first and second processes, the plurality of image capturing data are divided into synthesis images or motion detection images, a motion amount of the capturing unit at the time of time-division exposure is detected from the image capturing data of the motion detection images, synthesized image capturing data is generated by synthesizing the synthesis images, and a vibration of the synthesized image capturing data is corrected based on a divide pattern indicating divisions and the motion amount. Corrected image capturing data obtained by the first and second processes are integrated to obtain image capturing data after image stabilization.Type: GrantFiled: April 21, 2010Date of Patent: February 19, 2013Assignee: Canon Kabushiki KaishaInventors: Satoru Torii, Yoshinori Shindo
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Patent number: 8307445Abstract: An anti-worm program allows a computer to execute control of communication suspected as worm communication, the program allowing the computer to execute: a communication information acquisition step that acquires communication information which is information concerning communication from a target source; and a communication control step that has a control amount calculation formula for calculating the control amount of the communication from the target source using the communication information and performs control of the communication from the target source based on the communication control amount obtained using the control amount calculation formula.Type: GrantFiled: July 7, 2008Date of Patent: November 6, 2012Assignee: Fujitsu LimitedInventors: Bintatsu Noda, Kazumasa Omote, Yoshiki Higashikado, Masahiro Komura, Masashi Mitomo, Satoru Torii
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Publication number: 20120262589Abstract: Upon correcting blur of image capture data of an image capturing device by coded exposure processing, an exposure time and aperture value, which are set by a photometry unit of the image capturing device according to an object, are input, and the exposure time or aperture value is adjusted based on a ratio of shutter open periods in an opening and closing pattern of a shutter used in the coded exposure processing. Then, a gain adjustment value of the image capture data corresponding to a deficiency of an exposure amount by the adjusted exposure time or aperture value is set, image capture by an image capturing unit of the image capturing device is controlled based on the opening and closing pattern, exposure time, and aperture value.Type: ApplicationFiled: June 25, 2012Publication date: October 18, 2012Applicant: CANON KABUSHIKI KAISHAInventor: Satoru Torii
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Patent number: 8266250Abstract: A communication detection method in which, based on a sender and a destination of communication data recorded in a communication log that records information concerning communication data exchanged between devices linked to a network, the communication log is divided into parts corresponding to individual object devices. The communication logs divided corresponding to the individual devices are analyzed so that the communication data in which a connection request to each device has been issued is extracted, and then a response success/failure table is generated based on whether a response from the device to the connection request has been detected; and based on the response success/failure table, when a time period that no response is obtained from the device satisfies a criterion condition determined in advance, it is determined that peer-to-peer communication has been performed.Type: GrantFiled: March 26, 2009Date of Patent: September 11, 2012Assignee: Fujitsu LimitedInventors: Masashi Mitomo, Masahiro Komura, Satoru Torii
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Patent number: 8237804Abstract: Upon correcting blur of image capture data of an image capturing device by coded exposure processing, an exposure time and aperture value, which are set by a photometry unit of the image capturing device according to an object, are input, and the exposure time or aperture value is adjusted based on a ratio of shutter open periods in an opening and closing pattern of a shutter used in the coded exposure processing. Then, a gain adjustment value of the image capture data corresponding to a deficiency of an exposure amount by the adjusted exposure time or aperture value is set, image capture by an image capturing unit of the image capturing device is controlled based on the opening and closing pattern, exposure time, and aperture value.Type: GrantFiled: May 28, 2010Date of Patent: August 7, 2012Assignee: Canon Kabushiki KaishaInventor: Satoru Torii
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Publication number: 20100321509Abstract: Upon correcting blur of image capture data of an image capturing device by coded exposure processing, an exposure time and aperture value, which are set by a photometry unit of the image capturing device according to an object, are input, and the exposure time or aperture value is adjusted based on a ratio of shutter open periods in an opening and closing pattern of a shutter used in the coded exposure processing. Then, a gain adjustment value of the image capture data corresponding to a deficiency of an exposure amount by the adjusted exposure time or aperture value is set, image capture by an image capturing unit of the image capturing device is controlled based on the opening and closing pattern, exposure time, and aperture value.Type: ApplicationFiled: May 28, 2010Publication date: December 23, 2010Applicant: CANON KABUSHIKI KAISHAInventor: Satoru Torii
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Publication number: 20100295953Abstract: A plurality of image capturing data time-divisionally exposed by a capturing unit are input. By first and second processes, the plurality of image capturing data are divided into synthesis images or motion detection images, a motion amount of the capturing unit at the time of time-division exposure is detected from the image capturing data of the motion detection images, synthesized image capturing data is generated by synthesizing the synthesis images, and a vibration of the synthesized image capturing data is corrected based on a divide pattern indicating divisions and the motion amount. Corrected image capturing data obtained by the first and second processes are integrated to obtain image capturing data after image stabilization.Type: ApplicationFiled: April 21, 2010Publication date: November 25, 2010Applicant: CANON KABUSHIKI KAISHAInventors: Satoru Torii, Yoshinori Shindo
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Patent number: 7832010Abstract: The apparatus analyzes management information about network information collected from a computer and a router, detects a change in the management information specific to the activity of an unauthorized access program (worm), and generates alert information including a type of apparatus whose collected management information indicates the detected change and address information about an apparatus suspected of performing the activity of a worm. When the type of apparatus in the alert information refers to a computer, the apparatus generates an instruction to delete relayed information for the computer. When the type of apparatus refers to a network connection apparatus, the apparatus generates an instruction to set a filter for cutting off the communications of a worm with the network connection apparatus. Thus, the apparatus transmits the instructions.Type: GrantFiled: April 18, 2007Date of Patent: November 9, 2010Assignee: Fujitsu LimitedInventors: Yoshiki Higashikado, Satoru Torii
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Patent number: 7798589Abstract: In performing multi-pass printing by using a printhead having a plurality of nozzles, a scan duty setting unit sets a printing amount for each nozzle for each main scan of the printhead based on the scan duty setting LUT. A scan duty setting LUT changing unit updates an initial scan duty setting LUT based on the faulty nozzle information detected by a faulty nozzle detection unit. At this time, the scan duty setting LUT is updated such that the scan duty which should be distributed to a faulty nozzle is distributed to a plurality of other nozzles and neighboring nozzles which print the same main scanning line as that printed by the faulty nozzle.Type: GrantFiled: February 6, 2008Date of Patent: September 21, 2010Assignee: Canon Kabushiki KaishaInventor: Satoru Torii
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Patent number: 7752668Abstract: In this system, a monitor unit monitors outbound communications through a network interface. A process designation unit designates a process 2X which has generated communications. A process tree obtaining unit obtains and outputs process tree information for designation of an upper process to the process 2X. A discrimination unit refers to an illegal rule file for definition of an illegal process by a combination of a process and an upper process which have generated communications, and determines whether or not a process 2X is illegal according to communications information, process information, and process tree information. A process stop unit stops a process 2X determined to be illegal. A notification unit notifies a user of the stop of the process 2X.Type: GrantFiled: January 25, 2005Date of Patent: July 6, 2010Assignee: Fujitsu LimitedInventors: Kazumasa Omote, Masahiko Takenaka, Satoru Torii
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Patent number: 7739683Abstract: In a system for providing software maintenance service, a server includes: a storage unit that stores a determination rule for determining whether to deny a process request to the faulty software; and a transmitting unit that transmits the determination rule to the client. The client includes: a determination-rule receiving unit that receives the determination rule; a process-request receiving unit that receives the process request; and a determining unit that determines whether to deny the process request based on the determination rule.Type: GrantFiled: August 4, 2005Date of Patent: June 15, 2010Assignee: Fujitsu LimitedInventors: Masashi Mitomo, Satoru Torii, Etsuo Ono