Patents by Inventor Tomohiro Takagi
Tomohiro Takagi 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: 11480860Abstract: An illuminator includes a first light source, a second light source, a first lens on which light emitted from the first and second light sources is incident, a second lens disposed in a downstream of the first lens, and a half wave plate. The first lens, the second lens and the half wave plate are arranged along a first axis. The first light source and the second light source are arranged along a plane perpendicular to the first axis. The half wave plate is disposed in the optical axis between the first lens and the second lens, the half wave plate being disposed in a position close to the second lens.Type: GrantFiled: June 24, 2020Date of Patent: October 25, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Hiroaki Miya, Akihiro Kashiwagi, Tomohiro Takagi, Yoichi Nakagomi
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Patent number: 11257611Abstract: A superconducting wire rod according to an aspect of the present disclosure is a superconducting wire rod having a flat cross-sectional shape which is characterized in that a voltage is generated with a lower current density or a higher voltage is generated with the same current density in a region on at least one end side in a wire rod width direction as compared with a region other than the region on the at least one end side.Type: GrantFiled: June 18, 2018Date of Patent: February 22, 2022Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Tomohiro Takagi, Toru Fukushima, Hisaki Sakamoto
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Patent number: 11209117Abstract: A transportation pipe includes a main-body vacuum insulated pipe, a central pipe, and a connecting vacuum insulated pipe. The main-body vacuum insulated pipe including a double pipe structure includes a vacuum part in a region between an inner pipe and an outer pipe. The central pipe through which a fluid to be transported flows, is arranged in the main-body vacuum insulated pipe. The connecting vacuum insulated pipe having a double pipe structure includes a vacuum part in a region between an inner pipe and an outer pipe. In a state in which two main-body vacuum insulated pipes are inserted into the connecting vacuum insulated pipe from respective ends of the connecting vacuum insulated pipe, ends of the main-body vacuum insulated pipes are away from one another, and the main-body vacuum insulated pipes are connected to one another via the connecting vacuum insulated pipe.Type: GrantFiled: July 28, 2017Date of Patent: December 28, 2021Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Masashi Yagi, Hiroyuki Fukushima, Tomohiro Takagi
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Publication number: 20200409247Abstract: An illuminator includes a first light source, a second light source, a first lens on which light emitted from the first and second light sources is incident, a second lens disposed in a downstream of the first lens, and a half wave plate. The first lens, the second lens and the half wave plate are arranged along a first axis. The first light source and the second light source are arranged along a plane perpendicular to the first axis. The half wave plate is disposed in the optical axis between the first lens and the second lens, the half wave plate being disposed in a position close to the second lens.Type: ApplicationFiled: June 24, 2020Publication date: December 31, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Hiroaki MIYA, Akihiro KASHIWAGI, Tomohiro TAKAGI, Yoichi NAKAGOMI
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Publication number: 20200379333Abstract: A projection-type display apparatus includes a light source apparatus, a first optical system with a superimposing lens receiving illumination light from the source apparatus, a second optical system including a first color separator downstream the superimposing lens, mirror, and field lens, and an optical enclosure accommodating the second system. The first separator reflects, toward the mirror, first light in the illumination light belonging to a first wavelength band, and transmits light belonging to a wavelength band excluding the first wavelength band. The mirror reflects, toward the field lens, the first light reflected by the first separator. An angle between an optical axis of the superimposing lens and the first separator is greater than 45° in a first system plan view. A field lens optical axis is substantially parallel to a first system optical axis. The optical enclosure includes a fixing section holding and fixing the first separator.Type: ApplicationFiled: May 27, 2020Publication date: December 3, 2020Applicant: SEIKO EPSON CORPORATIONInventors: Hiroaki MIYA, Tomohiro TAKAGI, Kanji YOSHIDA, Masashi KATO
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Patent number: 10458592Abstract: A double tube is provided, which can reliably prevent buckling and flattening of an inner tube even when bending is performed.Type: GrantFiled: October 16, 2017Date of Patent: October 29, 2019Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Masashi Yagi, Hiroyuki Fukushima, Tomohiro Takagi, Makoto Furukawa
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Patent number: 10380151Abstract: Disclosed is an information processing apparatus including an expression extraction unit, a feature extraction unit, a clustering unit, a related expression extraction unit, and an output unit. The expression extraction unit extracts a plurality of expressions from a plurality of documents. The feature extraction unit extracts feature amounts of the extracted respective expressions while distinguishing the expressions having the same notation. The clustering unit clusters the extracted respective expressions together while distinguishing the expressions having the same notation and calculates assignment degree vectors having assignment degrees of the respective expressions to two or more respective clusters as components. The related expression extraction unit extracts related expressions having the assignment degree vectors similar to those of a provided input expression while distinguishing the expressions having the same notation.Type: GrantFiled: August 4, 2014Date of Patent: August 13, 2019Assignee: SONY CORPORATIONInventors: Masanori Miyahara, Kazunori Araki, Katsuyoshi Kanemoto, Ryo Nakahashi, Kazuki Yoshiyama, Tomohiro Takagi
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Patent number: 10330403Abstract: In order to obtain a heating and cooling system capable of localized cooling or heating a given area, a heating and cooling system includes: a supply section configured to supply a heating medium; and a double pipe unit including: an inner pipe, connected to the supply section, through which the heating medium flows, and an outer pipe disposed at an outer peripheral side of the inner pipe, the outer pipe including a space between the inner pipe and the outer pipe, the space being maintained at a vacuum, portions in which a degree of vacuum of the space is different, or in which the degree of vacuum of the space is adjustable.Type: GrantFiled: August 4, 2017Date of Patent: June 25, 2019Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Masashi Yagi, Hiroyuki Fukushima, Jun Teng, Tomohiro Takagi
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Publication number: 20190162357Abstract: A transportation pipe includes a main-body vacuum insulated pipe, a central pipe, and a connecting vacuum insulated pipe. The main-body vacuum insulated pipe including a double pipe structure includes a vacuum part in a region between an inner pipe and an outer pipe. The central pipe through which a fluid to be transported flows, is arranged in the main-body vacuum insulated pipe. The connecting vacuum insulated pipe having a double pipe structure includes a vacuum part in a region between an inner pipe and an outer pipe. In a state in which two main-body vacuum insulated pipes are inserted into the connecting vacuum insulated pipe from respective ends of the connecting vacuum insulated pipe, ends of the main-body vacuum insulated pipes are away from one another, and the main-body vacuum insulated pipes are connected to one another via the connecting vacuum insulated pipe.Type: ApplicationFiled: July 28, 2017Publication date: May 30, 2019Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masashi YAGI, Hiroyuki FUKUSHIMA, Tomohiro TAKAGI
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Publication number: 20190018308Abstract: A light source device includes: a first light source section and a second light source section configured to emit light along two different directions; a light combining member configured to combine the light emitted from the first light source section with the light emitted from the second light source section; a light source casing to which the first light source section and the second light source section are attached outside; and a holding member configured to hold the light combining member, the holding member accommodated inside the light source casing. The holding member is fixed inside the light source casing.Type: ApplicationFiled: January 13, 2017Publication date: January 17, 2019Applicant: SEIKO EPSON CORPORATIONInventors: Takahiro TAKIZAWA, Tomohiro TAKAGI, Yasunori OGAWA
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Patent number: 10163550Abstract: In order to obtain a highly versatile superconducting cable capable of absorbing differences in thermal contraction amounts that arise between three members, these being a cable core, an inner tube, and an outer tube, and to obtain a superconducting cable manufacturing method of the same, a superconducting cable includes a thermal insulation vacuum tube and a cable core. The thermal insulation vacuum tube includes an inner tube fixed at both ends and having a cooling medium filled inside, and an outer tube disposed at an outer peripheral side of the inner tube with a space between the outer tube and the inner tube maintained at a vacuum, and is configured to include a winding section wound with one or more turns. The cable core is fixed at both ends and disposed inside the inner tube.Type: GrantFiled: August 9, 2017Date of Patent: December 25, 2018Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Tomohiro Takagi, Masashi Yagi
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Patent number: 10108077Abstract: A light source apparatus includes a first light source section that outputs blue light along a first illumination optical axis,the second light source section are arranged side by side and outputs excitation light along a second illumination optical axis substantially parallel to the first illumination optical axis, a reflection member that reflects the excitation light in such a way that the reflected excitation light travels along a third illumination optical axis that intersects the first illumination optical axis and the second illumination optical axis, a wavelength converter on which reflects converted light having a wavelength different from a wavelength of the excitation light, and a light combiner that is located in the position where the first illumination optical axis and the third illumination optical axis intersect each other and transmits the blue light and the excitation light but reflects the converted light.Type: GrantFiled: January 25, 2018Date of Patent: October 23, 2018Assignee: SEIKO EPSON CORPORATIONInventors: Katsumitsu Hama, Tomohiro Takagi, Yuta Ito, Takayuki Matsubara
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Publication number: 20180301249Abstract: A superconducting wire rod according to an aspect of the present disclosure is a superconducting wire rod having a flat cross-sectional shape which is characterized in that a voltage is generated with a lower current density or a higher voltage is generated with the same current density in a region on at least one end side in a wire rod width direction as compared with a region other than the region on the at least one end side.Type: ApplicationFiled: June 18, 2018Publication date: October 18, 2018Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Tomohiro TAKAGI, Toru FUKUSHIMA, Hisaki SAKAMOTO
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Publication number: 20180217481Abstract: A light source apparatus includes a first light source section that outputs blue light along a first illumination optical axis,the second light source section are arranged side by side and outputs excitation light along a second illumination optical axis substantially parallel to the first illumination optical axis, a reflection member that reflects the excitation light in such a way that the reflected excitation light travels along a third illumination optical axis that intersects the first illumination optical axis and the second illumination optical axis, a wavelength converter on which reflects converted light having a wavelength different from a wavelength of the excitation light, and a light combiner that is located in the position where the first illumination optical axis and the third illumination optical axis intersect each other and transmits the blue light and the excitation light but reflects the converted light.Type: ApplicationFiled: January 25, 2018Publication date: August 2, 2018Applicant: SEIKO EPSON CORPORATIONInventors: Katsumitsu HAMA, Tomohiro TAKAGI, Yuta ITO, Takayuki MATSUBARA
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Publication number: 20180051845Abstract: A double tube is provided, which can reliably prevent buckling and flattening of an inner tube even when bending is performed.Type: ApplicationFiled: October 16, 2017Publication date: February 22, 2018Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masashi YAGI, Hiroyuki Fukushima, Tomohiro Takagi, Makoto Furukawa
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Patent number: 9864747Abstract: There is provided a device that generates a first feature based on information of a first type included in first content selected by a target user in past, generates a second feature based on information of a second type included in second content selected by the target user after selecting the first contest, generates a relational feature showing a relationship between the first content and the second content, based on the first feature and the second feature, and searches for content to be recommended to the target user by using the information of the first type included in content newly selected by the target user and the relational feature.Type: GrantFiled: March 22, 2012Date of Patent: January 9, 2018Assignee: Sony CorporationInventors: Naoki Kamimaeda, Masanori Miyahara, Tomohiro Takagi
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Publication number: 20170372819Abstract: In order to obtain a highly versatile superconducting cable capable of absorbing differences in thermal contraction amounts that arise between three members, these being a cable core, an inner tube, and an outer tube, and to obtain a superconducting cable manufacturing method of the same, a superconducting cable includes a thermal insulation vacuum tube and a cable core. The thermal insulation vacuum tube includes an inner tube fixed at both ends and having a cooling medium filled inside, and an outer tube disposed at an outer peripheral side of the inner tube with a space between the outer tube and the inner tube maintained at a vacuum, and is configured to include a winding section wound with one or more turns. The cable core is fixed at both ends and disposed inside the inner tube.Type: ApplicationFiled: August 9, 2017Publication date: December 28, 2017Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Tomohiro TAKAGI, Masashi YAGI
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Publication number: 20170336154Abstract: In order to obtain a heating and cooling system capable of localized cooling or heating a given area, a heating and cooling system includes: a supply section configured to supply a heating medium; and a double pipe unit including: an inner pipe, connected to the supply section, through which the heating medium flows, and an outer pipe disposed at an outer peripheral side of the inner pipe, the outer pipe including a space between the inner pipe and the outer pipe, the space being maintained at a vacuum, portions in which a degree of vacuum of the space is different, or in which the degree of vacuum of the space is adjustable.Type: ApplicationFiled: August 4, 2017Publication date: November 23, 2017Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masashi YAGI, Hiroyuki Fukushima, Jun Teng, Tomohiro Takagi
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Publication number: 20170329213Abstract: A polarization conversion element which is capable of improving the use efficiency of light, and capable of suppressing deterioration is provided. A polarization conversion element includes a main body provided with a light-transmitting member, a polarized light separation layer that transmits first polarized light of light to be incident, and reflects second polarized light, a reflection layer, disposed between the polarized light separation layer and the light-transmitting member, and a retardation layer, disposed on a light emitting end surface of the light-transmitting member, which converts one polarization direction of the first polarized light and the second polarized light into the other polarization direction; and a reflection suppression layer that suppresses reflection from a light emitting surface in the main body, wherein the main body includes an exposure region for exposing at least a portion of a region of a light emitting-side surface in the retardation layer.Type: ApplicationFiled: September 17, 2015Publication date: November 16, 2017Applicant: SEIKO EPSON CORPORATIONInventors: Tomohiro TAKAGI, Joji NISHIMURA, Masashi KATO, Shuho KOBAYASHI, Yuichiro INADA, Hiroyuki UMEDA
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Patent number: 9170537Abstract: A fuser for fixing an unfixed toner image on a recording material includes: an endless belt body heated by a heat source; a pressing body moved to be connected to and disconnected from an inner peripheral surface of the belt body; a pressure roller member making pressure-contact with the pressing body through the belt body; a tension body moved to be connected to and disconnected from the inner peripheral surface of the belt body, contrary to the connection and disconnection movement of the pressing body; and a rotation transmitting unit configured to transmit a rotational force of the pressure roller member to the belt body using the tension body, while the pressing body is separated from and the tension body makes contact with the inner peripheral surface of the belt body.Type: GrantFiled: January 28, 2015Date of Patent: October 27, 2015Assignee: KONICA MINOLTA, INC.Inventors: Yoshikazu Kuribayashi, Hidetoshi Katayanagi, Etsuaki Urano, Hirotaka Kanou, Masashi Sonoyama, Tomohiro Takagi