Patents by Inventor Takahiro Aoki

Takahiro Aoki 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).

  • Patent number: 9298965
    Abstract: A biometric authentication device includes a sensor which generates illumination images in which an object carrying biometric information is photographed while a light source is turned on, and a non-illumination image in which the object is photographed while the light source is turned off. The biometric authentication device generates difference images by subtracting from a luminance value of each pixel of each illumination image a luminance value of a corresponding pixel of the non-illumination image and determines an integration number, based on a statistical value of luminance values of a first difference image, so that the integration number increases as an influence of luminance values of pixels included in at least one region of the first difference image due to the noise superimposed on the first difference image increases, and generates the biometric image based on the integration number of the difference images.
    Type: Grant
    Filed: June 3, 2013
    Date of Patent: March 29, 2016
    Assignee: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Publication number: 20160066953
    Abstract: A sensor embedding device according to the present disclosure is a sensor embedding device which embeds a sensor in a subject, the sensor having a sensing region in which to detect a state of the subject, including: a needle to be inserted in the subject, the needle having a hole; a sensor retainer to retain the sensor so that the sensor is ready to be embedded inside the subject in such a manner that the sensing region is oriented in a predetermined direction; and a movable section to move the sensor into the subject with a slide of the sensor retainer inside the hole.
    Type: Application
    Filed: November 13, 2015
    Publication date: March 10, 2016
    Inventors: Masaru MINAMIGUCHI, Yasuaki OKUMURA, Tatsurou KAWAMURA, Takahiro AOKI, Masahiko SHIOI
  • Patent number: 9208391
    Abstract: A biometric authentication device includes: a first biometric sensor that obtains biometric information of a user; a second biometric sensor that obtains biometric information of a user at a lower degree of reproducibility than the first biometric sensor; an authentication process unit that performs an authentication by comparing with use of the biometric information obtained by the first biometric sensor and the second biometric sensor, wherein the authentication process unit compares biometric information obtained by the second biometric sensor with use of biometric information obtained by the first biometric sensor of a case where a comparing between the biometric information obtained by the first biometric sensor and enrolled information is successful.
    Type: Grant
    Filed: September 24, 2014
    Date of Patent: December 8, 2015
    Assignee: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Patent number: 9193034
    Abstract: A top head of a reactor pressure vessel includes control rod drive mechanism (CRDM) penetration pipes arranged in a square grid-like pattern. The CRDM penetration pipes are joined with one another by a tube support member. The top head is placed on a tank and water is filled in an inner region of the tank and the top head. A travel apparatus moves a nozzle lifting and lowering apparatus to a predetermined location. A lifting and lowering mechanism of the nozzle lifting and lowering apparatus lifts a jet nozzle above the tube support member among the neighboring four CRDM penetration pipes. An ejection outlet of the jet nozzle is directed to a weld between one of the CRDM penetration pipes and the top head, and a water jet is ejected. A nozzle turning mechanism turns the jet nozzle, and WJP is executed sequentially to the four CRDM penetration pipes.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: November 24, 2015
    Assignee: Hitachi-GE Nuclear Energy, Ltd.
    Inventors: Takahiro Aoki, Fujio Yoshikubo, Akihiro Kanno
  • Publication number: 20150310252
    Abstract: A biometric authentication apparatus includes a single reading sensor configured to acquire first matching authentication characteristics data being unique to a first hand and used for matching, and second matching authentication characteristics data being unique to a second hand and used for matching; and a communications part configured to externally transmit the first and second matching authentication characteristics data for one person as authentication data and to receive an authentication result.
    Type: Application
    Filed: July 7, 2015
    Publication date: October 29, 2015
    Inventor: Takahiro Aoki
  • Patent number: 9159486
    Abstract: A core for a wire-wound electronic component. The core has a winding base to be wound with a wire, and flanges located at both ends of the winding base in an extending direction of the winding base. The flanges protrude from the winding base in a first direction perpendicular to the extending direction. Each of the flanges has a plurality of protrusions on a first surface at a side of the flange in the first direction. An inclined surface is provided to extend from the first surface of each of the flanges to a second surface of the winding base at a side of the winding base in the first direction.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: October 13, 2015
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Masahiro Bando, Takahiro Aoki
  • Publication number: 20150269406
    Abstract: An image correction apparatus includes a correction amount calculating unit which calculates, in response to a position of a hand on an image, a correction amount for placing the hand to face an imaging unit included in an image acquiring unit for generating the image; and a correcting unit which corrects an estimated coordinate representing a position of a point in a real space corresponding to each pixel included in a region in which the hand is captured in the image in accordance with the correction amount, and projects each of the points after the correction on a corrected image to generate the corrected image.
    Type: Application
    Filed: March 3, 2015
    Publication date: September 24, 2015
    Inventors: Soichi HAMA, Takahiro AOKI, Mitsuaki FUKUDA
  • Publication number: 20150269410
    Abstract: An alignment apparatus includes: a voting unit that generates multiple pairs of a first feature selected from multiple features representing a first target object represented on one image, and a second feature selected from multiple features representing a second target object represented on the other image, obtains, for each of the pairs, a first translation amount for aligning the first feature with the second feature, and votes, in a coordinate system with coordinates each representing a translation amount, a voting value for the coordinate corresponding to the first translation amount; and a translation amount calculating unit that calculates the total of the voting values for each of the coordinates in the coordinate system, and sets the translation amount corresponding to the coordinate with the largest total of the voting values, as a second translation amount for aligning the first target object with the second target object.
    Type: Application
    Filed: March 4, 2015
    Publication date: September 24, 2015
    Inventor: Takahiro Aoki
  • Patent number: 9141846
    Abstract: An image processing device includes a memory; and a processor coupled to the memory and configured to: acquire, for each of different entrance positions, each of captured images generated by changing the luminance of pixels within a given distance from an entrance position indicating a location at which light is incident to a photographic subject, the pixels being in an image obtained by illuminating the photographic subject with the light from a light source and capturing the light reflected from the photographic subject, generate a composite image by adding together each of the captured images, and generate an output image by performing image restoration on the composite image by using a model having the shape of the reflected light.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: September 22, 2015
    Assignee: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Publication number: 20150254492
    Abstract: An image processing apparatus includes a light source to irradiate light on an object, an imaging device to capture the object, a luminance computing unit to compute a luminance at a plurality of positions on the object, and a coefficient computing unit. The coefficient computing unit computes a correction coefficient for each of the plurality of positions, according to a distance from the light source to each of the plurality of positions and the luminance at each of the plurality of positions.
    Type: Application
    Filed: January 14, 2015
    Publication date: September 10, 2015
    Inventor: Takahiro Aoki
  • Publication number: 20150254496
    Abstract: A discriminant function specifying device includes a setting part for calculating a discriminant function by machine learning using a learning input parameter, the discriminant function being for separating a distribution of a genuine similarity from a distribution of impostor similarity, the learning input parameter being set before executing the machine learning, and for setting a plurality of discriminant functions, each of the plurality of discriminant functions being obtained by changing values of the learning input parameter and a learning output parameter, the learning output parameter being a parameter of the calculated discriminant function; a calculation part for calculating an error rate for each of the plurality of discriminant functions set by the setting part; and an extraction part for extracting one discriminant function among the plurality of discriminant functions, the one discriminant function having the error rate calculated by the calculation part which meets a predetermined error conditi
    Type: Application
    Filed: March 4, 2015
    Publication date: September 10, 2015
    Applicant: FUJITSU LIMITED
    Inventors: Hajime NADA, Takahiro Aoki
  • Patent number: 9122900
    Abstract: A biometric authentication device includes a biometric sensor that obtains an image of a biometric authentication portion of a user without contacting, a distance sensor that obtains a distance between the biometric sensor and the biometric authentication portion, and a guidance image display unit that shows a guidance image for guiding the biometric authentication portion to a distance that is appropriate for the biometric sensor to obtain the biometric authentication portion, the guidance image changing continuously or in stages according to the distance obtained by the distance sensor.
    Type: Grant
    Filed: January 28, 2013
    Date of Patent: September 1, 2015
    Assignee: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Patent number: 9100582
    Abstract: An image capturing method includes: continuously generating, using a processor, one or more OFF images in which the subject is captured with the illumination turned OFF, for a first number of times; continuously generating, using the processor, ON images in which the subject is captured with the illumination turned ON, for a second number of times; continuously generating, using the processor, one or more OFF images in which the subject is captured with the illumination turned OFF, for the first number of times; computing, using the processor, a difference image between each of the generated ON images and the OFF image corresponding to the ON image among the generated OFF images; and integrating, using the processor, the computed difference images.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: August 4, 2015
    Assignee: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Publication number: 20150178581
    Abstract: A reference data verification method includes: matching first reference data representing biometric information registered for a registered user with second reference data representing the same type of biometric information as biometric information represented in the first reference data of the registered user registered before the first reference data, or third reference data generated based on the same type of biometric information as biometric information represented in the first reference data of the registered user at a time of a biometric authentication process to calculate a degree of similarity between biometric information represented in the first reference data and biometric information represented in the second or third reference data; and determining whether or not biometric information represented in the first reference data is biometric information of the registered user based on the degree of similarity.
    Type: Application
    Filed: December 12, 2014
    Publication date: June 25, 2015
    Applicant: FUJITSU LIMITED
    Inventor: Takahiro AOKI
  • Publication number: 20150154474
    Abstract: A biometric information registration device includes: a memory; and a processor coupled to the memory and configured to: collect a plurality of biometric information extracted from a plurality of images of a subject, classify a posture of the subject in each of the plurality of images into one of a plurality of classes, count a number of postures that corresponds to each of the plurality of classes, and store biometric information, from among the plurality of biometric information, associated with a certain class for which the number exceeds a threshold.
    Type: Application
    Filed: November 26, 2014
    Publication date: June 4, 2015
    Applicant: Fujitsu Limited
    Inventors: Hajime NADA, Takahiro Aoki
  • Publication number: 20150154437
    Abstract: A biometric authentication apparatus includes: a storage unit which stores identification information and authentication information of a plurality of registrants; a deletion process unit which registers, when receiving a request to delete the authentication information of any of the plurality of registrants, the identification information of the registrant to a deletion list, and deletes, from the storage unit, the authentication information of the registrant corresponding to the identification information registered on the deletion list at predetermined time; and an authentication process unit which matches the biometric information of the plurality of registrants with biometric information of a user based on the authentication information of each registrant and authentication information extracted from biometric data representing the biometric information of the user to determine whether or not to authenticate the user as any of the plurality of registrants other than the registrants corresponding to the i
    Type: Application
    Filed: November 24, 2014
    Publication date: June 4, 2015
    Inventors: Takahiro Aoki, Takashi Shinzaki, Hajime NADA
  • Patent number: 9013271
    Abstract: A biometric authentication apparatus is provided, the apparatus including: a comparator that performs authentication of the user by comparing biological information read from a user with registered biological information registered in a storage in advance; a high accuracy comparator that compares the biological information with the registered biological information with a higher accuracy instead of comparison using the comparator when the user is not authenticated by the comparator; and a comparison result storage that records a comparison result obtained by the high accuracy comparator in the storage.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: April 21, 2015
    Assignee: Fujitsu Limited
    Inventor: Takahiro Aoki
  • Patent number: 8977009
    Abstract: A biometric authentication device that authenticates a user using biological features of the user, the biometric authentication device includes: an illumination unit configured to illuminate a target which represents the biological features; an image sensor configured to obtain a first captured image by capturing the target illuminated by the illumination unit, and obtain a second captured image by capturing the target not illuminated by the illumination unit; an acquisition unit configured to acquire from a storage unit a mask which has a target area approximating the shape of the target in the first and second captured images obtained by the image sensor; and a detection unit configured to detect light other than illumination light illuminated by the illumination unit based on the mask acquired by the acquisition unit and at least one of the first and second images.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: March 10, 2015
    Assignee: Fujitsu Limited
    Inventors: Yuka Jo, Takahiro Aoki, Soichi Hama, Mitsuaki Fukuda
  • Publication number: 20150042434
    Abstract: A core for a wire-wound electronic component. The core has a winding base to be wound with a wire, and flanges located at both ends of the winding base in an extending direction of the winding base. The flanges protrude from the winding base in a first direction perpendicular to the extending direction. Each of the flanges has a plurality of protrusions on a first surface at a side of the flange in the first direction. An inclined surface is provided to extend from the first surface of each of the flanges to a second surface of the winding base at a side of the winding base in the first direction.
    Type: Application
    Filed: July 15, 2014
    Publication date: February 12, 2015
    Applicant: MURATA MANUFACTURING CO., LTD.
    Inventors: Masahiro BANDO, Takahiro AOKI
  • Patent number: 8948464
    Abstract: A biometric authentication device is provided with an input section for inputting identification information relative to a user, an imaging section which captures images of a hand of the user a plurality of times; a matching section which extracts vein information from each image of the hand captured by the imaging section and collates the vein information with prepared vein data corresponding to the identification information; a judgment data generation section which obtains data for judgment indicating whether the image of the hand is obtained by capturing the images of a living body, on the basis of the image of the hand; and a judgment section which authenticates the user when the result of the matching by the matching section relative to each image of the hand indicates normality and the data for judgment indicates that the image of the hand is obtained by imaging the living body, but which otherwise does not authentication the user.
    Type: Grant
    Filed: June 15, 2011
    Date of Patent: February 3, 2015
    Assignee: Fujitsu Limited
    Inventors: Soichi Hama, Takahiro Aoki, Mitsuaki Fukuda