Patents by Inventor Daichi Tanaka
Daichi Tanaka 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: 11957436Abstract: A device includes: an ultrasonic wave irradiation unit that irradiates a living body with an ultrasonic wave; an ultrasonic wave detection unit that receives an ultrasonic wave reflected by the living body; and a calculation unit that calculates an amount of temperature change in the living body. The calculation unit is configured to: calculate a frequency of an ultrasonic wave amplified in the living body, based on information on a structure of the living body; perform frequency analysis on the ultrasonic wave received by the ultrasonic wave detection unit and acquire an amplitude spectrum of the ultrasonic wave; identify, from the amplitude spectrum, a peak frequency closest to the frequency of the ultrasonic wave; calculate an amount of frequency change, from two peak frequencies identified by ultrasonic wave irradiations in twice; and calculate an amount of temperature change in the living body from the amount of frequency change.Type: GrantFiled: May 8, 2019Date of Patent: April 16, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Yujiro Tanaka, Daichi Matsunaga, Michiko Seyama
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Patent number: 11940333Abstract: A heat flux sensor including two temperature sensors is used to obtain time-series data of a core temperature of a living body, and a blood flow rate in a vicinity of the heat flux sensor is measured by a blood flow sensor. In an arithmetic circuit, a delay time until a fluctuation of the core temperature of the living body is reflected on an epidermis temperature is calculated on the basis of the blood flow rate measured by the blood flow sensor and a previously prepared relation between the blood flow rate and the delay time until the fluctuation of the core temperature of the living body is reflected on the epidermis temperature, and a time corresponding to the core temperature of the living body on the basis of the delay time is corrected.Type: GrantFiled: May 14, 2019Date of Patent: March 26, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Michiko Seyama, Daichi Matsunaga, Yujiro Tanaka
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Patent number: 11911150Abstract: A light irradiation unit configured to irradiate a measurement part with a light beam that has a wavelength absorbed by glucose and a detection unit configured to detect a photoacoustic signal generated from the measurement part irradiated with the light beam emitted from the light irradiation unit are included. The light irradiation unit irradiates the measurement part by scanning the light beam 2-dimensionally. The measurement part is irradiated with the light beam through raster scanning. For example, the light beam has a beam diameter of about 100 ?m and is scanned at a scanning speed of about 100 ?m/10 ms.Type: GrantFiled: April 5, 2019Date of Patent: February 27, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Katsuhiro Ajito, Michiko Seyama, Daichi Matsunaga, Masahito Nakamura, Yujiro Tanaka
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Publication number: 20230293782Abstract: A material for preventing adhesion having a high adhesion preventing effect has been desired. Provided is a sheet-like material for preventing adhesion which contains alginate, at least a portion of which is crosslinked with a curing agent, the material for preventing adhesion satisfying (1) and (2) when a dissolution test is performed in which a sample cut into a substantial circle having a diameter of 8 mm is left to stand, via a mesh, on agar of a petri dish to which a physiological saline solution is added substantially to a top surface of the agar, the petri dish is shaken at an amplitude of 25 mm and 40 shakes/min., and the weight of the sample is measured at least one arbitrary point in time. (1) The time required for the weight of the sample to be less than 0.01 g is 5-36 hours from a start of the test, and (2) the time required for the weight of the sample to reach the maximum weight is 10 hours or less from the start of the test.Type: ApplicationFiled: July 30, 2021Publication date: September 21, 2023Applicants: Mochida Pharmaceutical Co., Ltd., The University of TokyoInventors: Taichi ITO, Seiichi OHTA, Kiyoshi HASEGAWA, Mitsuko ISAJI, Daichi TANAKA
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Publication number: 20230287821Abstract: Provided is a tubular member for an exhaust gas treatment device, including: a tubular main body made of a metal; an insulating layer arranged at least on an inner peripheral surface side of the tubular main body; and an intermediate layer arranged between the tubular main body and the insulating layer, wherein the insulating layer contains glass, and wherein the intermediate layer is at least not identical in composition to the insulating layer.Type: ApplicationFiled: December 7, 2022Publication date: September 14, 2023Applicant: NGK Insulators, Ltd.Inventor: Daichi TANAKA
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Patent number: 11661879Abstract: A tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention includes: a tubular main body made of a metal; and an insulating layer formed at least on an inner peripheral surface of the tubular main body. The insulating layer contains glass, the glass contains barium, and the glass has a content of barium of 5 mol % or more.Type: GrantFiled: December 6, 2021Date of Patent: May 30, 2023Assignee: NGK INSULATORS, LTD.Inventors: Daichi Tanaka, Yukinari Shibagaki
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Patent number: 11661875Abstract: A tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention includes: a tubular main body made of a metal; and an insulating layer formed at least on an inner peripheral surface of the tubular main body. The insulating layer contains glass containing a crystalline substance, and the glass contains silicon, boron, and magnesium.Type: GrantFiled: December 6, 2021Date of Patent: May 30, 2023Assignee: NGK INSULATORS, LTD.Inventors: Daichi Tanaka, Yukinari Shibagaki
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Patent number: 11536180Abstract: A tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention includes: a tubular main body made of a metal; and an insulating layer formed at least on an inner peripheral surface of the tubular main body. The insulating layer contains glass, and the glass has a content of an alkali metal element of 1,000 ppm or less.Type: GrantFiled: December 6, 2021Date of Patent: December 27, 2022Assignee: NGK Insulators, Ltd.Inventors: Yukinari Shibagaki, Daichi Tanaka
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Publication number: 20220275745Abstract: A tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention includes: a tubular main body made of a metal; and an insulating layer formed at least on an inner peripheral surface of the tubular main body. The insulating layer contains glass, and the glass has a content of an alkali metal element of 1,000 ppm or less.Type: ApplicationFiled: December 6, 2021Publication date: September 1, 2022Applicant: NGK INSULATORS, LTD.Inventors: Yukinari SHIBAGAKI, Daichi TANAKA
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Publication number: 20220275746Abstract: A tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention includes: a tubular main body made of a metal; and an insulating layer formed at least on an inner peripheral surface of the tubular main body. The insulating layer contains glass, the glass contains barium, and the glass has a content of barium of 5 mol % or more.Type: ApplicationFiled: December 6, 2021Publication date: September 1, 2022Applicant: NGK INSULATORS, LTD.Inventors: Daichi TANAKA, Yukinari SHIBAGAKI
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Publication number: 20220275743Abstract: A tubular member for an exhaust gas treatment device according to at least one embodiment of the present invention includes: a tubular main body made of a metal; and an insulating layer formed at least on an inner peripheral surface of the tubular main body. The insulating layer contains glass containing a crystalline substance, and the glass contains silicon, boron, and magnesium.Type: ApplicationFiled: December 6, 2021Publication date: September 1, 2022Applicant: NGK INSULATORS, LTD.Inventors: Daichi TANAKA, Yukinari SHIBAGAKI
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Patent number: 11352692Abstract: The present invention is to provide: a method for producing a novel hexagonal boron nitride thin film suitable for industrial use such as application to electronics, in which a hexagonal boron nitride thin film having a large area, a uniform thickness of 1 nm or more, with few grain boundaries can be produced inexpensively; and a hexagonal boron nitride thin film. The hexagonal boron nitride thin film according to the present invention is characterized by having a thickness of 1 nm or more, and an average value of the full width at half maximum of the E2g peak obtained from Raman spectrum of 9 to 20 cm?1.Type: GrantFiled: January 5, 2018Date of Patent: June 7, 2022Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Hiroki Ago, Kenji Kawahara, Yuki Uchida, Sho Nakandakari, Daichi Tanaka
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Publication number: 20210378650Abstract: A sheet applying device, a sheet applying system, and a sheet applying method are provided. A first sheet applying system 10 mainly includes a first sheet applying device 11 and a sheet cartridge 900. The first sheet applying device 11 mainly includes a first supporter 200 and a holder 500. The first supporter 200 mainly includes a first support shaft 210a, a second support shaft 210b, a first swing mechanism 220, a support cover 211, and a handle 300. The first support shaft 210a and the second support shaft 210b have straight cylindrical bar shapes and movably extend in parallel to each other from a proximal end side of the first sheet applying system 10 toward a distal end side of the first sheet applying system 10, in other words, in a longitudinal direction of the first supporter 200.Type: ApplicationFiled: November 18, 2019Publication date: December 9, 2021Applicant: Mochida Pharmaceutical Co., Ltd.Inventors: Hitoshi MIZUNO, Daichi TANAKA
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Publication number: 20200397954Abstract: The purpose of the present invention is to provide an anti-adhesion material having a high anti-adhesion effect. The present invention pertains to an anti-adhesion material comprising a biocompatible sponge-like layered body having a sponge-like first layer and a sponge-like second layer both being at least partially crosslinked with a curing agent and comprising a low endotoxin monovalent metal salt of alginic acid. The monovalent metal salt of alginic acid in the first layer has a weight average molecular weight of 30000 to 300000. The monovalent metal salt of alginic acid in the second layer has a weight average molecular weight of 1000 to 200000. The weight average molecular weights are determined by GPC-MALS after a de-crosslinking treatment. The weight average molecular weight of the monovalent metal salt of alginic acid in the first layer is higher than the weight average molecular weight of the monovalent metal salt of alginic acid in the second layer.Type: ApplicationFiled: January 15, 2018Publication date: December 24, 2020Applicants: Mochida Pharmaceutical Co., Ltd., The University of TokyoInventors: Taichi ITO, Seiichi OHTA, Kiyoshi HASEGAWA, Mitsuko ISAJI, Satoshi SHIMIZU, Daichi TANAKA
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Publication number: 20200390893Abstract: A self-emulsifying composition contains: 70 to 90% by weight of at least one compound selected from the group consisting of ?3 polyunsaturated fatty acids and their pharmaceutically acceptable salts and esters; 0.5 to 6% by weight of water; 1 to 29% by weight of a polyoxyethylene sorbitan fatty acid ester as an emulsifier (optionally including a polyoxyl castor oil, and not including lecithin); and lecithin in an amount of 3 to 40 parts by weight in relation to 100 parts by weight of ?3 polyunsaturated fatty acids and the like. The self-emulsifying composition is excellent in self-emulsifying property, composition dispersibility, emulsion stability, and absorbability, is free from ethanol and polyhydric alcohols or only has such an alcohol added thereto at a reduced concentration, and is useful for foods and pharmaceuticals.Type: ApplicationFiled: August 24, 2020Publication date: December 17, 2020Applicant: MOCHIDA PHARMACEUTICAL CO., LTD.Inventors: Hiromitsu ITO, Hirosato FUJII, Motoo YAMAGATA, Daichi TANAKA
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Patent number: 10786575Abstract: A self-emulsifying composition contains: 70 to 90% by weight of at least one compound selected from the group consisting of ?3 polyunsaturated fatty acids and their pharmaceutically acceptable salts and esters; 0.5 to 6% by weight of water; 1 to 29% by weight of a polyoxyethylene sorbitan fatty acid ester as an emulsifier (optionally including a polyoxyl castor oil, and not including lecithin); and lecithin in an amount of 3 to 40 parts by weight in relation to 100 parts by weight of ?3 polyunsaturated fatty acids and the like. The self-emulsifying composition is excellent in self-emulsifying property, composition dispersibility, emulsion stability, and absorbability, is free from ethanol and polyhydric alcohols or only has such an alcohol added thereto at a reduced concentration, and is useful for foods and pharmaceuticals.Type: GrantFiled: February 11, 2019Date of Patent: September 29, 2020Assignee: MOCHIDA PHARMACEUTICAL CO., LTD.Inventors: Hiromitsu Ito, Hirosato Fujii, Motoo Yamagata, Daichi Tanaka
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Patent number: 10764621Abstract: An authentication server that authenticates a user of a user terminal that plays a content stream provided by a content server, the authentication server authenticating the user. The authentication server includes storage means that stores registration information, authentication means that, when receiving an authentication request for content designated by a first user from a user terminal that the first user is using, compares information included in the authentication request with the registration information and authenticates the first user, generation means that, if the authentication succeeds, generates a first token indicating that the first user is an authenticated user, and communications means that transmits the generated first token to the user terminal. The generation means further generates a second token relating to the same content as the content designated by the first user, and the communications means is further configured to transmit the second token to the user terminal.Type: GrantFiled: June 29, 2015Date of Patent: September 1, 2020Assignee: Rakuten, Inc.Inventor: Daichi Tanaka
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Publication number: 20190345603Abstract: The present invention is to provide: a method for producing a novel hexagonal boron nitride thin film suitable for industrial use such as application to electronics, in which a hexagonal boron nitride thin film having a large area, a uniform thickness of 1 nm or more, with few grain boundaries can be produced inexpensively; and a hexagonal boron nitride thin film. The hexagonal boron nitride thin film according to the present invention is characterized by having a thickness of 1 nm or more, and an average value of the full width at half maximum of the E2g peak obtained from Raman spectrum of 9 to 20 cm?1.Type: ApplicationFiled: January 5, 2018Publication date: November 14, 2019Applicant: JAPAN SCIENCE AND TECHNOLOGY AGENCYInventors: Hiroki AGO, Kenji KAWAHARA, Yuki UCHIDA, Sho NAKANDAKARI, Daichi TANAKA
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Publication number: 20190167802Abstract: A self-emulsifying composition contains: 70 to 90% by weight of at least one compound selected from the group consisting of ?3 polyunsaturated fatty acids and their pharmaceutically acceptable salts and esters; 0.5 to 6% by weight of water; 1 to 29% by weight of a polyoxyethylene sorbitan fatty acid ester as an emulsifier (optionally including a polyoxyl castor oil, and not including lecithin); and lecithin in an amount of 3 to 40 parts by weight in relation to 100 parts by weight of ?3 polyunsaturated fatty acids and the like. The self-emulsifying composition is excellent in self-emulsifying property, composition dispersibility, emulsion stability, and absorbability, is free from ethanol and polyhydric alcohols or only has such an alcohol added thereto at a reduced concentration, and is useful for foods and pharmaceuticals.Type: ApplicationFiled: February 11, 2019Publication date: June 6, 2019Applicant: MOCHIDA PHARMACEUTICAL CO., LTD.Inventors: Hiromitsu ITO, Hirosato FUJII, Motoo YAMAGATA, Daichi TANAKA
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AUTHENTICATION SERVER, USER TERMINAL, CONTENT SERVER, CONTROL METHOD FOR THESE, AND COMPUTER PROGRAM
Publication number: 20180192103Abstract: An authentication server that authenticates a user of a user terminal that plays a content stream provided by a content server, the authentication server authenticating the user. The authentication server includes storage means that stores registration information, authentication means that, when receiving an authentication request for content designated by a first user from a user terminal that the first user is using, compares information included in the authentication request with the registration information and authenticates the first user, generation means that, if the authentication succeeds, generates a first token indicating that the first user is an authenticated user, and communications means that transmits the generated first token to the user terminal. The generation means further generates a second token relating to the same content as the content designated by the first user, and the communications means is further configured to transmit the second token to the user terminal.Type: ApplicationFiled: June 29, 2015Publication date: July 5, 2018Applicant: Rakuten, Inc.Inventor: Daichi TANAKA