Patents by Inventor Takafumi Miyatake
Takafumi Miyatake 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: 12067095Abstract: A biometric authentication system, including an image input unit configured to obtain an image by imaging a living body, a storage unit configured to store registration information relating to a plurality of biological features obtained from a biological region of an image of each person, and an authentication processing unit configured to process the biological region of the image obtained by the image input unit to execute biometric authentication based on the registration information, wherein the plurality of biological features obtained from the biological region of the each person are a plurality of biological features having a low pattern correlation with one another, and wherein the authentication processing unit is configured to combine the plurality of biological features having a low pattern correlation with one another, which are obtained by processing the image, to execute the biometric authentication.Type: GrantFiled: August 26, 2019Date of Patent: August 20, 2024Assignee: HITACHI, LTD.Inventors: Keiichiro Nakazaki, Naoto Miura, Akio Nagasaka, Yusuke Matsuda, Yo Nonomura, Takafumi Miyatake
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Patent number: 11113493Abstract: It is provided a biometric authentication system, which is configured to execute authentication by using registered biometric information, the biometric authentication system comprising: a light source unit configured to irradiate a living body with light; an image pickup unit configured to photograph a vessel image with light radiated from the light source unit and transmitted through the living body; a control unit configured to generate authentication biometric information from the vessel image photographed by the image pickup unit; a category selection unit configured to select a category that corresponds to the authentication biometric information, based on supplementary information including information that has been obtained about a position and posture of the living body at timing of photographing the vessel image; and an authentication unit configured to execute authentication processing by comparing registered biometric information of the selected category and the authentication biometric informatioType: GrantFiled: September 11, 2018Date of Patent: September 7, 2021Assignee: Hitachi, Ltd.Inventors: Yusuke Matsuda, Yo Nonomura, Naoto Miura, Keiichiro Nakazaki, Akio Nagasaka, Takafumi Miyatake
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Patent number: 10264998Abstract: In the conventional art, there has been a problem that it is difficult to perform, with a high usability and at a high precision, authentication that accepts a wide range of variation of showing attitude of a hand or a finger and ensures obtaining a clear blood-vessel image of a finger. Provided is a blood-vessel image capturing apparatus including an opening portion formed in a surface of a housing, plural light sources disposed beside the opening portion and arranged in a lattice pattern, a sensor configured to obtain position information of a hand shown above the opening portion, a light amount control portion configured to select an irradiation light source to irradiate the hand from the plural light sources on a basis of the position information and control a light amount of the irradiation light source, and an image capturing portion configured to capture an image of a blood vessel included in a finger portion of the hand irradiated with light from the irradiation light source.Type: GrantFiled: November 28, 2014Date of Patent: April 23, 2019Assignee: Hitachi, Ltd.Inventors: Yusuke Matsuda, Naoto Miura, Akio Nagasaka, Takafumi Miyatake
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Patent number: 9342730Abstract: An identification apparatus keeps the conditions for imaging uniform among successive identifications, and requires a user to perform only a series of simple maneuvers. The apparatus comprises a guide member, a light source, and an imaging unit. The guide member includes a pattern or structure for a user to position his/her finger thereon or to approach his/her specific finger region thereto. A contact member is located in the guide member where a fingertip is positioned. An optical opening is formed at a position coincident with where a finger to be imaged should be placed. The light source radiates near-infrared light through the portion of the finger to be imaged. The imaging means acquires an image of the finger, and the apparatus compares the image to previously registered images. The apparatus may also include dual light sources power saving functionality, and means for limiting the interference of external light sources.Type: GrantFiled: January 15, 2014Date of Patent: May 17, 2016Assignee: Hitachi, Ltd.Inventors: Akio Nagasaka, Takafumi Miyatake, Naoto Miura, Yoshiaki Amano, Yoshimi Kasai, Shinichiro Umemura, Miyuki Kono
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Patent number: 9319598Abstract: A personal identification system, which uses a vein pattern of a finger, optimizes the amount of light of a light source based on a captured finger image and emphasizes the vein pattern during image processing for identification.Type: GrantFiled: July 17, 2015Date of Patent: April 19, 2016Assignee: HITACHI, LTD.Inventors: Miyuki Kono, Shin-ichiro Umemura, Takafumi Miyatake, Kunio Harada, Yoshitoshi Ito, Hironori Ueki
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Patent number: 9292727Abstract: A blood vessel image taking device including a finger presentation area configured at a surface of a cabinet, plural light sources arranged at the finger presentation area for irradiating a presented finger with a light ray, a light quantity controlling unit for controlling light quantities of the plural light sources, an opening portion configured at the finger presentation area, and an image taking unit for taking an image of the light ray from the light source portion passing through the opening portion and irradiated to the finger, in which portions of the finger presentation area are a tip end presentation area for presenting a tip end side of the finger, and a root presentation area for presenting a root side of the finger.Type: GrantFiled: February 11, 2014Date of Patent: March 22, 2016Assignee: HITACHI INDUSTRY & CONTROL SOLUTIONS, LTD.Inventors: Harumi Kiyomizu, Naoto Miura, Akio Nagasaka, Takafumi Miyatake, Yusuke Matsuda
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Patent number: 9171233Abstract: Provided is a small-sized, flat, vein authentication device of high authentication accuracy by photographing a living body several times and thus obtaining as registration data plural images that are picked up at different positions. A biometric information processing device of this invention comprising an image pickup device, which picks up a vein image, an image computing unit, which processes the vein image picked up by the image pickup device, an interface on which a part of a living body to be picked up is placed, and a light source, which emits infrared light. The biometric information processing device is further comprised of a sensor unit, which detects the presence or absence of a subject picked up by the image pickup device, a unit to obtain plural images as registration data, and a unit to select optimum registration data out of images obtained as registration data.Type: GrantFiled: July 26, 2006Date of Patent: October 27, 2015Assignee: HITACHI, LTD.Inventors: Naoto Miura, Takafumi Miyatake, Akio Nagasaka, Harumi Kiyomizu
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Patent number: 9141843Abstract: A compact authentication device that prevents user from feeling pressure and is strong against external light, when capturing an image of a finger blood vessel pattern with transmitted light. The device includes a guidance part for determining the finger position, a light source disposed on at least one side of the guidance part to emit light to be transmitted though the finger, an image capture part for capturing the transmitted light, a shading unit for limiting an irradiation region of the light, a finger thickness measuring unit, a unit for controlling a light amount of the light source based on a result of the measurement, a unit for recording registered image patterns of the finger, a unit for collating a captured image pattern from the image capture part with the registered patterns, and a unit for controlling different processing according to the collation result.Type: GrantFiled: June 20, 2007Date of Patent: September 22, 2015Assignee: HITACHI, LTD.Inventors: Akio Nagasaka, Takafumi Miyatake, Naoto Miura, Yuichi Kashimura
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Patent number: 9118839Abstract: A personal identification system, which uses a vein pattern of a finger, optimizes the amount of light of a light source based on a captured finger image and emphasizes the vein pattern during image processing for identification.Type: GrantFiled: May 5, 2014Date of Patent: August 25, 2015Assignee: HITACHI, LTD.Inventors: Miyuki Kono, Shin-ichiro Umemura, Takafumi Miyatake, Kunio Harada, Yoshitoshi Ito, Hironori Ueki
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Patent number: 9076027Abstract: It is provided an authentication system comprising: an input device; an image pickup device for picking up an image of the living body; an image processing unit for processing the image picked up by the image pickup device; a storage device for storing a plurality of pieces of first feature data and a plurality of pieces of second feature data; and a matching processing unit for checking input data, which indicates features of a living body picked up by the image pickup device, against each of the plurality of pieces of first feature data and each of the plurality of pieces of second feature data. Each of the plurality of pieces of second feature data is data that is smaller in size than each of the plurality of pieces of first feature data and that includes at least a part of the features of the living body.Type: GrantFiled: November 17, 2009Date of Patent: July 7, 2015Assignee: HITACHI INDUSTRY & CONTROL COLUTIONS, LTD.Inventors: Naoto Miura, Harumi Kiyomizu, Akio Nagasaka, Takafumi Miyatake, Yusuke Matsuda
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Patent number: 8908930Abstract: A primary object of the present invention is to extract a difference in shading of a blood vessel image in a picked up image as information to be used for authentication, and to acquire a larger number of pieces of biometric information from one image. An individual authentication device to be used to authenticate an individual using feature information of a vascular pattern acquired from a living body includes an imaging unit that images a region of the living body serving as an object of authentication, and an arithmetic unit that acquires the picked up image as an authentication image. The arithmetic unit extracts a vascular pattern from the authentication image, and acquires a degree of shading of the vascular pattern as the feature information.Type: GrantFiled: September 6, 2011Date of Patent: December 9, 2014Assignee: Hitachi, Ltd.Inventors: Yusuke Matsuda, Akio Nagasaka, Naoto Miura, Harumi Kiyomizu, Takafumi Miyatake
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Patent number: 8855376Abstract: The invention provides a finger vein authentication device using plural fingers that enables the plural fingers to be easily presented while maintaining high authentication precision. A finger vein authentication device according to an embodiment of the invention includes light sources that irradiate light onto fingers; imaging elements that photograph light transmitted through the fingers; and an image processing unit that processes the obtained images. The finger vein authentication device further includes a finger placement table that defines a presentation location of the first finger in an anteroposterior direction and other finger placement tables that define locations of all the fingers in a horizontal direction.Type: GrantFiled: August 4, 2008Date of Patent: October 7, 2014Assignee: Hitachi, Ltd.Inventors: Naoto Miura, Takafumi Miyatake, Akio Nagasaka, Harumi Kiyomizu
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Publication number: 20140240480Abstract: A personal identification system, which uses a vein pattern of a finger, optimizes the amount of light of a light source based on a captured finger image and emphasizes the vein pattern during image processing for identification.Type: ApplicationFiled: May 5, 2014Publication date: August 28, 2014Applicant: HITACHI, LTD.Inventors: Miyuki KONO, Shin-ichiro Umemura, Takafumi Miyatake, Kunio Harada, Yoshitoshi Ito, Hironori Ueki
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Patent number: 8811689Abstract: An authentication device including: a finger presenting unit to which a finger to be authenticated is presented; an opening formed on the finger presenting unit; a light source that irradiates light onto the finger; an image capture unit that captures a picture including a vein of the finger, by the light; and a finger placement table capable of placing a finger thereon, except the finger to be authenticated, wherein the finger placement table has a surface, a height of which is higher than the finger presenting unit, wherein the light source is placed inside the finger placement table, and wherein the finger placement table has a sidewall having a window that is used to allow an irradiation axis of the light from the light source upon the image capture unit.Type: GrantFiled: April 9, 2012Date of Patent: August 19, 2014Assignee: Hitachi, Ltd.Inventors: Harumi Kiyomizu, Naoto Miura, Takafumi Miyatake, Akio Nagasaka
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Patent number: 8805028Abstract: Personal identification is implemented by picking up finger vein patterns when the user naturally grasps a grip such as doorknob. The device for personal identification has a light source provided to irradiate light on the finger from the palm side, a camera to pick up the vessel image of the finger, and a processor to extract features of the vessel from the image and compare the obtained features with the registered ones. The camera picks up the light that exits from the backside of the finger after penetrating it.Type: GrantFiled: July 26, 2006Date of Patent: August 12, 2014Assignee: Hitachi, Ltd.Inventors: Naoto Miura, Takafumi Miyatake, Akio Nagasaka, Harumi Kiyomizu
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Publication number: 20140184774Abstract: A personal identification apparatus includes a finger inlet into which a finger inserted; an interface where the finger is introduced through the finger inlet; a plurality of light sources provided inside the interface to irradiate light to the finger from a plurality of directions; image pick-up units being respectively arranged opposite to the plurality of light sources and respectively capturing an image from light transmitted from the plurality of light sources through the finger; a unit for adjusting when the plurality of light sources transmit light onto the finger; and a unit for extracting blood vessel patterns contained in images captured by the image pick-up units from the light transmitted though the finger and collating each of the extracted blood vessel patterns with a registered blood vessel pattern for personal identification.Type: ApplicationFiled: January 10, 2014Publication date: July 3, 2014Applicant: Hitachi, Ltd.Inventors: Naoto Miura, Akio Nagasaka, Takafumi Miyatake
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Patent number: 8670596Abstract: A personal identification apparatus includes a finger inlet into which a finger inserted; an interface where the finger is introduced through the finger inlet; a plurality of light sources provided inside the interface to irradiate light to the finger from a plurality of directions; image pick-up units being respectively arranged opposite to the plurality of light sources and respectively capturing an image from light transmitted from the plurality of light sources through the finger; a unit for adjusting when the plurality of light sources transmit light onto the finger; and a unit for extracting blood vessel patterns contained in images captured by the image pick-up units from the light transmitted though the finger and collating each of the extracted blood vessel patterns with a registered blood vessel pattern for personal identification.Type: GrantFiled: January 25, 2012Date of Patent: March 11, 2014Assignee: Hitachi, Ltd.Inventors: Naoto Miura, Akio Nagasaka, Takafumi Miyatake
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Patent number: 8649571Abstract: An identification apparatus keeps the conditions for imaging uniform among successive identifications, and requires a user to perform only a series of simple maneuvers. The apparatus comprises a guide member, a light source, and an imaging unit. The guide member includes a pattern or structure for a user to position his/her finger thereon or to approach his/her specific finger region thereto. A contact member is located in the guide member where a fingertip is positioned. An optical opening is formed at a position coincident with where a finger to be imaged should be placed. The light source radiates near-infrared light through the portion of the finger to be imaged. The imaging means acquires an image of the finger, and the apparatus compares the image to previously registered images. The apparatus may also include dual light sources power saving functionality, and means for limiting the interference of external light sources.Type: GrantFiled: April 3, 2013Date of Patent: February 11, 2014Assignee: Hitachi, Ltd.Inventors: Akio Nagasaka, Takafumi Miyatake, Naoto Miura, Yoshiaki Amano, Yoshimi Kasai, Shinichiro Umemura, Miyuki Kono
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Publication number: 20130329031Abstract: An authentication apparatus that authenticates individuals with the use of features of a living body includes an input device for placing the living body thereon, an imaging device that images the living body, an image processing unit that processes an image taken by the imaging device, the features of the living body, a plurality of light sources for imaging the living body, and a light guide member. The authentication apparatus also includes first feature data registered in advance, a storage device that stores the first feature data therein, second feature data indicative of the features of the living body imaged by the imaging device, and a checking processing unit that checks the first feature data against the second feature data. The plurality of light sources is arranged on a lower portion of the light guide member, and the plurality of light sources is sequentially turned on.Type: ApplicationFiled: April 22, 2011Publication date: December 12, 2013Applicant: HITACHI, LTD.Inventors: Naoto Miura, Harumi Kiyomizu, Akio Nagasaka, Takafumi Miyatake, Yusuke Matsuda
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Patent number: 8582831Abstract: A personal identification device including: an image pickup unit; a guide unit to set a finger to be captured; a light source which emits light adapted to be transmitted through the finger and incident on the image pickup unit; an image operating unit which generates a vein pattern from an image picked by the image pickup unit for personal identification, wherein the image operating unit is adapted to detect a contour of the set finger, calculate a width of the contour, and normalize the image based on a magnification determined by using the width of the contour.Type: GrantFiled: August 14, 2012Date of Patent: November 12, 2013Assignee: Hitachi, Ltd.Inventors: Naoto Miura, Akio Nagasaka, Takafumi Miyatake