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).

  • Publication number: 20130243264
    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: Application
    Filed: January 28, 2013
    Publication date: September 19, 2013
    Applicant: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Patent number: 8538088
    Abstract: A disclosed capture device for biometrics authentication using an image of a person's palm includes an image sensor capturing the person's palm and acquiring an image of the person's palm and a guide member supporting the person's palm when the person's palm is captured by the image sensor. Further, the guide member has a V-shaped-type groove in which a finger of the person's palm is to be inserted.
    Type: Grant
    Filed: August 12, 2010
    Date of Patent: September 17, 2013
    Assignee: Fujitsu Limited
    Inventors: Soichi Hama, Takahiro Aoki, Mitsuaki Fukuda
  • Patent number: 8395673
    Abstract: An image shot by a shooting unit is stored in a shot image storing unit. An expected shooting state storing unit stores expected shooting state information which represents an expected shooting state of an object to be shot. A guide direction determining unit references the image stored in the shot image storing unit and the expected shooting state information, and determines in which direction the object to be shot, which is shot by the shooting unit, is to be guided. A guide direction instruction outputting unit notifies a user of a result of the determination made by the guide direction determining unit.
    Type: Grant
    Filed: February 24, 2004
    Date of Patent: March 12, 2013
    Assignee: Fujitsu Limited
    Inventors: Mitsuaki Fukuda, Toshio Endoh, Takahiro Aoki, Masaki Watanabe, Takayuki Sugiura, Naoyuki Fujimoto, Kiyoshi Chinzei, Mieko Nakano, Satoshi Fukui, Atsushi Miki, Shuji Kimura, Mitsuhiro Gotoh
  • Publication number: 20130051628
    Abstract: A biometric authentication device includes, an acquisition unit configured to repeatedly image a biological part of an authenticated person while changing a relative position with respect to the biological part so as to acquire time-series biological images; a detection unit configured to detect a pixel corresponding among the biological images from the time-series biological images; an extraction unit configured to extract a pixel of which a pixel value includes a surface reflection component from the biological part, from each of the time-series biological images, on the basis of a degree of divergence of temporal variation of a pixel value of the detected pixel in the time-series biological images from an estimation result of temporal variation; a generation unit configured to correct the pixel value of the extracted pixel on the basis of a pixel value; and an authentication unit configured to perform personal authentication of the authenticated person.
    Type: Application
    Filed: June 27, 2012
    Publication date: February 28, 2013
    Applicant: FUJITSU LIMITED
    Inventors: Mitsuaki Fukuda, Soichi Hama, Takahiro Aoki, Yuka Jo
  • Publication number: 20130011015
    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: Application
    Filed: September 13, 2012
    Publication date: January 10, 2013
    Applicant: FUJITSU LIMITED
    Inventors: Yuka Jo, Takahiro Aoki, Soichi Hama, Mitsuaki Fukuda
  • Publication number: 20120326841
    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: Application
    Filed: August 31, 2012
    Publication date: December 27, 2012
    Applicant: FUJITSU LIMITED
    Inventor: Takahiro AOKI
  • Publication number: 20120307031
    Abstract: A biometric information process device includes: a biometric sensor obtaining a plurality of biometric images of a user; a detection portion detecting a surface reflection region of the plurality of biometric images; and a storage portion storing biometric information obtained from biometric images included in the plurality of biometric images, the biometric images having a different surface reflection region from each other.
    Type: Application
    Filed: March 23, 2012
    Publication date: December 6, 2012
    Applicant: FUJITSU LIMITED
    Inventor: Takahiro Aoki
  • Patent number: 8310358
    Abstract: Disclosed is an authentication apparatus easily achieving convenience and high accuracy in authentication. The authentication apparatus has an authentication accuracy simulation section that simulates authentication accuracy and also has a registration information setting section that sets an ID and biometric information input as registration information. The authentication accuracy simulation section uses an ID and biometric information that has been input as registration information by a user at the time of registration and the registered registration information to simulate authentication accuracy with which the user is authenticated. When the authentication accuracy simulated by the authentication accuracy simulation section does not satisfy a predetermined condition, the registration information setting section rejects registration of the ID input as the registration information.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: November 13, 2012
    Assignee: Fujitsu Limited
    Inventors: Masaki Watanabe, Toshio Endoh, Takahiro Aoki, Mitsuaki Fukuda, Soichi Hama, Hironori Yokoi
  • Publication number: 20120250954
    Abstract: A biometric information processing device includes, a biometric sensor configured to acquire a plurality of different biometric information elements; an authentication feature extracting unit configured to extract an authentication feature for use in authentication for each of the plurality of different biometric information elements acquired by the biometric sensor; a supplemental feature extracting unit configured to extract a supplemental feature relating to the authentication feature for each of the plurality of different biometric information elements; and a combined feature extracting unit configured to extract a combined feature in which a plurality of the supplemental features extracted by the supplemental feature extracting unit are reflected.
    Type: Application
    Filed: January 26, 2012
    Publication date: October 4, 2012
    Applicant: Fujitsu Limited
    Inventors: Hajime NADA, Toshio ENDOH, Takahiro AOKI, Shigefumi YAMADA
  • Publication number: 20120242054
    Abstract: A shock absorbing device for a rack and pinion type steering device includes a rack shaft, a rack housing, a stopper portion formed in an end part of the rack shaft, a stopper engaging portion provided on the rack housing to define a stroke end position for the rack shaft by engaging the stopper portion, a stepped portion formed on the rack shaft, a shoulder portion formed in an enlarged diameter portion of the rack housing, and a cylindrical elastic member fitted on the rack shaft such that the elastic member is pressed in the axial direction of the rack shaft by the stepped portion and the shoulder portion. The elastic member is formed with grooves on each of an outer circumferential surface and an inner circumferential surface thereof. Such shock absorbing device for a rack and pinion type steering device has a high shock absorbing capability.
    Type: Application
    Filed: September 24, 2010
    Publication date: September 27, 2012
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Takehito Shiraishi, Yasuo Shimizu, Takahiro Aoki
  • Patent number: 8269603
    Abstract: A passage authorization system includes a plurality of gate management apparatuses that are individually provided with authentication sensors for acquiring biometric data from a presented hand and form paths, an authentication unit configured to output a result of authentication comparison performed with the biometric data acquired by each of the authentication sensors and a hand determination result of determining whether the biometric data is data of a left hand or a right hand, and a control unit configured to control opening/closing of a gate corresponding to the hand determination result on the basis of the result of authentication comparison.
    Type: Grant
    Filed: March 11, 2010
    Date of Patent: September 18, 2012
    Assignee: Fujitsu Limited
    Inventors: Takahiro Aoki, Soichi Hama, Mitsuaki Fukuda
  • Publication number: 20120230551
    Abstract: A biometric-information processing device includes an image acquisition unit configured to acquire an image of a biometric object using light reflected from the biometric object. The biometric-information processing device further includes an extracting unit configured to extract a frequency component having a frequency higher than a predetermined spatial frequency at the image acquired by the image acquisition unit.
    Type: Application
    Filed: February 21, 2012
    Publication date: September 13, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Soichi HAMA, Mitsuaki Fukuda, Takahiro Aoki, Yuka Jo
  • Patent number: 8264325
    Abstract: In accordance with input user ID, a personal template fetcher reads biometric feature data and biometric shape data from a template storage. A verification area finder determines a verification area that matches a detection area of a verification sensor within an area of biometric features. A guide information generator combines the verification area with a contour shape reconstructed from the biometric shape data, received from the personal template fetcher, to generate a guide pattern. A guide information presenter presents the generated guide pattern to the user. A verification sensor extracts biometric feature information from an input image of biometric features and converts it into numeric data to obtain biometric feature data. A biometric feature verifier then verifies the biometric feature data obtained by the verification sensor in comparison with the biometric feature data received from the personal template fetcher in the verification area received from the verification area finder.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: September 11, 2012
    Assignee: Fujitsu Limited
    Inventors: Mitsuaki Fukuda, Soichi Hama, Takahiro Aoki
  • Patent number: 8241787
    Abstract: The principal object of the present invention is to provide a liquid electrolyte for electrochemical device having a wide potential window. The invention solves the problem by providing a liquid electrolyte for electrochemical device, which comprises an electrolyte dissolved in an MFx complex being liquid at ordinary temperatures wherein “M” represents B, Si, P, As or Sb and “X” represents the valence of “M”.
    Type: Grant
    Filed: September 13, 2007
    Date of Patent: August 14, 2012
    Assignees: National University Corporation Shizuoka University, Toyota Jidosha Kabushiki Kaisha
    Inventors: Tatsuo Fujinami, Takahiro Aoki, Masaki Matsui
  • Publication number: 20120169464
    Abstract: A biometric authentication device includes a photographing unit configured to photograph a biological body and acquire biological body information; an authentication unit configured to match registered biological body information that is registered in advance with the biological body information and perform authentication; a posture determination unit configured to determine steadiness of a posture of the biological body based on history of posture information relevant to the posture of the biological body when photographed; and an update determination unit configured to determine to update the registered biological body information when the posture determination unit determines that the posture of the biological body is steady.
    Type: Application
    Filed: March 9, 2012
    Publication date: July 5, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Takahiro AOKI, Soichi Hama, Mitsuaki Fukuda
  • Patent number: 8203614
    Abstract: An image processing apparatus includes a first image acquisition section that acquires a first image of an object at illumination-off time, a second image acquisition section that acquires a second image of the object at illumination-on time, a difference image generation section that generates a difference image based on a difference between luminance of each of pixels constituting the first image and luminance of each of pixels constituting the second image, a high-luminance area extraction section that extracts an image area constituted by pixels having a luminance value which is equal to or more than a predetermined luminance value from the difference image, and a movement determination section that determines a movement amount of the object between image take timing of the first image and image take timing of the second image based on the image area.
    Type: Grant
    Filed: September 24, 2009
    Date of Patent: June 19, 2012
    Assignee: Fujitsu Limited
    Inventors: Mitsuaki Fukuda, Soichi Hama, Takahiro Aoki
  • Patent number: 8190239
    Abstract: In order to provide an individual identification device for enabling good blood-vessel imaging even in a noncontact way and using an identifying method suitable for noncontact imaging, the device comprises an imaging device for imaging blood vessels of a hand of the user in a noncontact way including a position/direction/shape instructing unit for instructing the user to hold up his hand, one or more irradiating units for irradiating the hand with near infrared radiation, and one or more imaging units for producing an image by near infrared radiation; a blood-vessel image extracting unit for extracting the blood-vessel image from the produced image; a blood-vessel image storage unit for storing the hand blood-vessel image of each user; and an identifying unit for identifying the user by comparing the extracted blood-vessel image with the registered blood-vessel image.
    Type: Grant
    Filed: February 1, 2005
    Date of Patent: May 29, 2012
    Assignee: Fujitsu Limited
    Inventors: Toshio Endoh, Takahiro Aoki, Makoto Goto, Masaki Watanabe
  • Publication number: 20120082348
    Abstract: A biometric authentication device includes: a biometric information acquisition unit which generates a first input biometric image representing the biometric information of a user, a storage unit which stores data relating to registered biometric information of at least one registered user, and a processing unit. The processing unit realizes a quality judgment function which judges if the first input biometric image is suitable or not for use for comparison of the biometric information represented in the first input biometric image with the registered biometric information, a selection function which selects registered biometric information which is similar to biometric information represented in the first input biometric image among registered biometric information when the first input biometric image is judged unsuitable, and a matching process function which compares the user's biometric information represented in a second input biometric image with the selected registered biometric information.
    Type: Application
    Filed: December 14, 2011
    Publication date: April 5, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Mitsuaki FUKUDA, Soichi Hama, Takahiro Aoki
  • Patent number: 8098302
    Abstract: An image pickup unit that does not have a movable system and is fixed at one point picks up an image. A subject region extraction unit detects a subject in the image, extracts a region of the subject, and generates a region extraction image. A region extraction image storage unit holds a plurality of recent region extraction images. Then, a stain level calculation unit compares the held region extraction images for each pixel, and increases a value of the stain level of a pixel when it is highly probable that a stain is present on the pixel, and vise versa. The subject region extraction and the stain level calculation are performed each time an image is picked up, and the value is updated. A stain determination unit outputs whether or not a stain is present and the degree that the stain is present on the basis of the value.
    Type: Grant
    Filed: December 8, 2008
    Date of Patent: January 17, 2012
    Assignee: Fujitsu Limited
    Inventors: Mitsuaki Fukuda, Soichi Hama, Takahiro Aoki, Toshio Endoh
  • Patent number: 8044753
    Abstract: A common-mode choke coil includes a core, external electrodes, a pair of wires, and a top plate. The core includes a winding core portion and a pair of flanges at both ends of the winding core portion. The upper surface of the winding core portion and the upper surfaces of the flanges are covered with a metal film. The external electrodes are provided on lower portions of the flanges. A pair of wires are wound on the winding core portion of the core, and the ends of the wires are connected to the external electrodes. The top plate is bonded to the upper surfaces of the flanges preferably via an adhesive.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: October 25, 2011
    Assignee: Murata Manufacturing Co., Ltd.
    Inventors: Takahiro Azuma, Tetsuya Morinaga, Takahiro Aoki, Yoshie Nishikawa, Shinya Hirai, Yoshimasa Goto, Yasushi Saito, Yu Ishiwata