Patents by Inventor Taku Kinoshita
Taku Kinoshita 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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Publication number: 20230314842Abstract: An electronic device including a plurality of devices, wiring electrically connecting each of the devices, and a substrate on which the wiring is formed and a slit is formed.Type: ApplicationFiled: January 25, 2021Publication date: October 5, 2023Applicant: SEED CO., LTD.Inventors: Taku Kinoshita, Manabu Furuya
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Patent number: 11160448Abstract: An optical measurement apparatus for an eyeball includes a light emitter, a light receiver, a detector, and a controller. The light emitter emits light such that the light passes across an eyeball of a subject. The light receiver receives the light that has transmitted through the eyeball. The detector detects a direction of the eyeball. The controller performs control such that the light emitter starts emitting light having an intensity used in measurement or the light emitter increases an intensity of light emitted by the light emitter to the intensity used in measurement in a case where the direction of the eyeball detected by the detector is in a predetermined range.Type: GrantFiled: April 13, 2018Date of Patent: November 2, 2021Assignee: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Kazutaka Takeda, Sho Kimura, Taku Kinoshita, Hideaki Ozawa
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Patent number: 10869598Abstract: An eyeball optical measuring device includes: an optical measuring unit that irradiates an eyeball of a subject with measuring light to perform an optical measurement of the eyeball; and a light irradiation unit that irradiates the eyeball with irradiation light prior to the optical measurement by the optical measuring unit, the irradiation light having a lower energy density than an energy density of the measuring light.Type: GrantFiled: October 3, 2017Date of Patent: December 22, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Hideaki Ozawa, Kazuyuki Matsushita, Kazutaka Takeda, Kouhei Yukawa, Taku Kinoshita, Hideo Nakayama
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Patent number: 10349831Abstract: An optical measuring instrument 1 is equipped with an optical system 20 to be used for measuring a characteristic of the aqueous humor in the anterior chamber 13 of an eyeball 10 of a measurement subject person and a holding unit 50 which holds the optical system 20 etc. The optical system 20 is equipped with a light emitting system 20A and a photodetecting system 20B. An optical path 28 is set so that light emitted from the light emitting system 20A passes through (traverses) the anterior chamber 13 and is detected by the photodetecting system 20B in a state that the eyeball 10 is turned outward.Type: GrantFiled: May 6, 2016Date of Patent: July 16, 2019Assignee: FUJI XEROX CO., LTD.Inventors: Kazuyuki Matsushita, Kazutaka Takeda, Kohei Yukawa, Hideaki Ozawa, Taku Kinoshita, Hideo Nakayama
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Publication number: 20180303333Abstract: An optical measurement apparatus for an eyeball includes a light emitter, a light receiver, a detector, and a controller. The light emitter emits light such that the light passes across an eyeball of a subject. The light receiver receives the light that has transmitted through the eyeball. The detector detects a direction of the eyeball. The controller performs control such that the light emitter starts emitting light having an intensity used in measurement or the light emitter increases an intensity of light emitted by the light emitter to the intensity used in measurement in a case where the direction of the eyeball detected by the detector is in a predetermined range.Type: ApplicationFiled: April 13, 2018Publication date: October 25, 2018Applicant: FUJI XEROX CO., LTD.Inventors: Kazutaka TAKEDA, Sho KIMURA, Taku KINOSHITA, Hideaki OZAWA
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Publication number: 20180098695Abstract: An eyeball optical measuring device includes: an optical measuring unit that irradiates an eyeball of a subject with measuring light to perform an optical measurement of the eyeball; and a light irradiation unit that irradiates the eyeball with irradiation light prior to the optical measurement by the optical measuring unit, the irradiation light having a lower energy density than an energy density of the measuring light.Type: ApplicationFiled: October 3, 2017Publication date: April 12, 2018Applicant: FUJI XEROX CO., LTD.Inventors: Hideaki OZAWA, Kazuyuki MATSUSHITA, Kazutaka TAKEDA, Kouhei YUKAWA, Taku KINOSHITA, Hideo NAKAYAMA
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Patent number: 9936874Abstract: An optical measurement apparatus includes: an emission section that emits light such that the light travels across an anterior chamber of an eyeball of a measurement subject; a light reception section that receives light that is emitted from the emission section and travels across the anterior chamber; and a positioning section that performs positioning of one of the emission section and the light reception section at a position where skin on a periphery of an inner canthus of the eyeball is squeezed into an eye socket accommodating the eyeball.Type: GrantFiled: March 31, 2017Date of Patent: April 10, 2018Assignee: FUJI XEROX CO., LTD.Inventors: Saori Nishizaki, Taku Kinoshita, Kazutaka Takeda, Hideaki Ozawa, Kazuyuki Matsushita, Kohei Yukawa, Sho Kimura, Hideo Nakayama
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Patent number: 9851293Abstract: A concentration calculation system calculates a concentration of the optically active substance based on a formula. The formula includes a first function representing wavelength dependence of an optical rotation of a first optically-active substance, and a second function representing wavelength dependence of an optical rotation of a second optically-active substance. In the first function, concentration of the first optically-active substance has an unknown value, and an inherent value for defining a characteristic of optical rotatory dispersion of the first optically-active substance is a known value or an unknown value within a certain limited range. In the second function, an inherent value for defining a characteristic of optical rotatory dispersion of the second optically-active substance is an unknown value.Type: GrantFiled: April 26, 2016Date of Patent: December 26, 2017Assignee: FUJI XEROX CO., LTD.Inventors: Kazutaka Takeda, Kazuyuki Matsushita, Kohei Yukawa, Hideaki Ozawa, Taku Kinoshita, Hideo Nakayama
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Publication number: 20170202458Abstract: An optical measurement apparatus includes: an emission section that emits light such that the light travels across an anterior chamber of an eyeball of a measurement subject; a light reception section that receives light that is emitted from the emission section and travels across the anterior chamber; and a positioning section that performs positioning of one of the emission section and the light reception section at a position where skin on a periphery of an inner canthus of the eyeball is squeezed into an eye socket accommodating the eyeball.Type: ApplicationFiled: March 31, 2017Publication date: July 20, 2017Applicant: FUJI XEROX CO., LTD.Inventors: Saori NISHIZAKI, Taku KINOSHITA, Kazutaka TAKEDA, Hideaki OZAWA, Kazuyuki MATSUSHITA, Kohei YUKAWA, Sho KIMURA, Hideo NAKAYAMA
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Publication number: 20170202456Abstract: A measurement apparatus includes: an eyelid opening section that comes into contact with skin on a periphery of an eyeball of a measurement subject and maintains an eyelid of the measurement subject in an open state; an emission section that emits light such that the light travels across an anterior chamber of the eyeball in which the eyelid is maintained in an open state by the eyelid opening portion; and a light reception section that receives the light which travels across the anterior chamber.Type: ApplicationFiled: March 31, 2017Publication date: July 20, 2017Applicant: FUJI XEROX CO., LTD.Inventors: Saori NISHIZAKI, Hideo NAKAYAMA, Taku KINOSHITA, Kazutaka TAKEDA, Hideaki OZAWA, Kazuyuki MATSUSHITA, Kohei YUKAWA, Sho KIMURA
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Publication number: 20170049320Abstract: An optical measuring apparatus includes a light output device that outputs light so as to cross an anterior chamber of an eyeball of a subject, a light receiving device that receives the light having crossed the anterior chamber, and a positioning device that positions the light output device and the light receiving device at such positions that, when the eyeball is adducted, the light output from the light output device crosses the anterior chamber and is received by the light receiving device.Type: ApplicationFiled: July 1, 2016Publication date: February 23, 2017Applicant: FUJI XEROX CO., LTD.Inventors: Saori NISHIZAKI, Taku KINOSHITA, Kazutaka TAKEDA, Hideaki OZAWA, Kazuyuki MATSUSHITA, Kouhei YUKAWA, Sho KIMURA, Hideo NAKAYAMA
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Publication number: 20170020385Abstract: A concentration calculation system of an optically active substance, includes: a calculation unit configured to: acquire an amount of change in a polarization state by allowing light having different wavelengths to pass through a cornea and an aqueous humor; and calculate a concentration of a specific optically active substance contained in the aqueous humor by a least squares method based on a theoretical formula which includes a matrix representing a polarization property of the cornea and a matrix representing a polarization property of the aqueous humor and represents a wavelength dependence of the amount of the change, wherein the matrix representing the polarization property of the aqueous humor is represented by a function of an expression representing the wavelength dependence of an optical rotation degree of the specific substance and the expression includes a concentration value of the specific substance as an unknown quantity or a temporal known quantity.Type: ApplicationFiled: June 30, 2016Publication date: January 26, 2017Applicant: FUJI XEROX CO., LTD.Inventors: Kazuyuki MATSUSHITA, Kazutaka TAKEDA, Kohei YUKAWA, Hideaki OZAWA, Taku KINOSHITA, Hideo NAKAYAMA
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Publication number: 20160249802Abstract: An optical measuring instrument 1 is equipped with an optical system 20 to be used for measuring a characteristic of the aqueous humor in the anterior chamber 13 of an eyeball 10 of a measurement subject person and a holding unit 50 which holds the optical system 20 etc. The optical system 20 is equipped with a light emitting system 20A and a photodetecting system 20B. An optical path 28 is set so that light emitted from the light emitting system 20A passes through (traverses) the anterior chamber 13 and is detected by the photodetecting system 20B in a state that the eyeball 10 is turned outward.Type: ApplicationFiled: May 6, 2016Publication date: September 1, 2016Applicant: FUJI XEROX CO., LTD.Inventors: Kazuyuki MATSUSHITA, Kazutaka TAKEDA, Kohei YUKAWA, Hideaki OZAWA, Taku KINOSHITA, Hideo NAKAYAMA
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Publication number: 20160238518Abstract: A concentration calculation system calculates a concentration of the optically active substance based on a formula. The formula includes a first function representing wavelength dependence of an optical rotation of a first optically-active substance, and a second function representing wavelength dependence of an optical rotation of a second optically-active substance. In the first function, concentration of the first optically-active substance has an unknown value, and an inherent value for defining a characteristic of optical rotatory dispersion of the first optically-active substance is a known value or an unknown value within a certain limited range. In the second function, an inherent value for defining a characteristic of optical rotatory dispersion of the second optically-active substance is an unknown value.Type: ApplicationFiled: April 26, 2016Publication date: August 18, 2016Applicant: FUJI XEROX CO., LTD.Inventors: Kazutaka TAKEDA, Kazuyuki MATSUSHITA, Kohei YUKAWA, Hideaki OZAWA, Taku KINOSHITA, Hideo NAKAYAMA
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Patent number: 9059362Abstract: A light emitting element includes a semiconductor substrate, and an island structure formed on the semiconductor substrate. The island structure includes a light-emitting-unit thyristor and a current confinement structure. The light-emitting-unit thyristor includes stacked semiconductor layers having a pnpn structure. The current confinement structure includes a high-resistance region and a conductive region, and confines carriers in the conductive region.Type: GrantFiled: March 15, 2013Date of Patent: June 16, 2015Assignee: FUJI XEROX CO., LTD.Inventors: Taku Kinoshita, Takashi Kondo, Kazutaka Takeda, Hideo Nakayama
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Patent number: 8786646Abstract: A light-emitting chip includes: a substrate; plural light-emitting elements arrayed in line on the substrate, each of the light-emitting elements including a light-emitting region having a length in an array direction of the array different from a length in a direction orthogonal to the array direction; and a light-up current supplying interconnection including plural connecting portions, each of the connecting portions being provided on the light-emitting region of a corresponding one of the light-emitting elements in a shorter direction of the light-emitting region either the array direction or the direction orthogonal to the array direction, each of the connecting portions being connected to an electrode provided on the light-emitting region, the light-up current supplying interconnection supplying a current for lighting up to the plural light-emitting elements through the plural connecting portions.Type: GrantFiled: April 11, 2011Date of Patent: July 22, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Taku Kinoshita, Yoshinao Kondoh, Seiji Ohno
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Patent number: 8759859Abstract: Disclosed is a light-emitting element including a semiconductor substrate, an island structure formed on the semiconductor substrate and including at least a current confining layer and p-type and n-type semiconductor layers, a light-emitting thyristor formed in the island structure and having a pnpn structure, and a shift thyristor formed in the island structure and having a pnpn structure, wherein a groove portion having a depth such that the groove portion reaches at least the current confining layer is formed between a formation region of the shift thyristor of the island structure and a formation region of the light-emitting thyristor, and an oxidized region that is selectively oxidized from a side surface of the island structure and a side surface of the groove portion is formed in the current confining layer.Type: GrantFiled: July 31, 2012Date of Patent: June 24, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Taku Kinoshita, Kazutaka Takeda, Takashi Kondo, Hideo Nakayama
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Patent number: 8692264Abstract: Provided is a light-emitting element including a semiconductor substrate, an island structure formed on the semiconductor substrate and including at least a current confining layer and p-type and n-type semiconductor layers, a light-emitting thyristor formed in the island structure and having a pnpn structure, and a shift thyristor formed in the island structure and having a pnpn structure, wherein the island structure includes a first side surface having a first depth such that the first side surface does not reach the current confining layer in a formation region of the shift thyristor and a second side surface having a second depth such that the second side surface reaches at least the current confining layer in a formation region of the light-emitting thyristor, and an oxidized region selectively oxidized from the second side surface is formed in the current confining layer in the formation region of the light-emitting thyristor.Type: GrantFiled: August 1, 2012Date of Patent: April 8, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Taku Kinoshita, Michiaki Murata, Takashi Kondo, Kazutaka Takeda, Hideo Nakayama
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Patent number: 8659035Abstract: Provided is a light-emitting device including a semiconductor substrate of a first conductivity type, a semiconductor multilayer reflection mirror of the first conductivity type, formed on the semiconductor substrate, a first semiconductor layer of the first conductivity type, formed on the semiconductor multilayer reflection mirror, a second semiconductor layer of a second conductivity type, formed on the first semiconductor layer, a third semiconductor layer of the first conductivity type, formed on the second semiconductor layer, a fourth semiconductor layer of the second conductivity type, formed on the third semiconductor layer, a first electrode formed on a rear surface of the semiconductor substrate, and a second electrode formed on the fourth semiconductor layer, wherein the semiconductor multilayer reflection mirror includes a first selectively oxidized region and a first conductive region adjacent to the first oxidized region, and the first conductive region electrically connects the semiconductor sType: GrantFiled: May 21, 2012Date of Patent: February 25, 2014Assignee: Fuji Xerox Co., Ltd.Inventors: Takashi Kondo, Taku Kinoshita, Kazutaka Takeda
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Publication number: 20130234167Abstract: Disclosed is a light-emitting element including a semiconductor substrate, an island structure formed on the semiconductor substrate and including at least a current confining layer and p-type and n-type semiconductor layers, a light-emitting thyristor formed in the island structure and having a pnpn structure, and a shift thyristor formed in the island structure and having a pnpn structure, wherein a groove portion having a depth such that the groove portion reaches at least the current confining layer is formed between a formation region of the shift thyristor of the island structure and a formation region of the light-emitting thyristor, and an oxidized region that is selectively oxidized from a side surface of the island structure and a side surface of the groove portion is formed in the current confining layer.Type: ApplicationFiled: July 31, 2012Publication date: September 12, 2013Applicant: FUJI XEROX CO., LTD.Inventors: Taku KINOSHITA, Kazutaka TAKEDA, Takashi KONDO, Hideo NAKAYAMA