Patents by Inventor Eri Takahashi
Eri Takahashi 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: 11846736Abstract: The purpose of the present invention is to provide a scintillator for a charged particle beam device and a charged particle beam device which achieve both an increase in emission intensity and a reduction in afterglow intensity. This scintillator for a charged particle beam device is characterized by comprising a substrate (13), a buffer layer (14) formed on a surface of the substrate (13), a stack (12) of a light emitting layer (15) and a barrier layer (16) formed on a surface of the buffer layer (14), and a conductive layer (17) formed on a surface of the stack (12) and by being configured such that the light emitting layer (15) contains InGaN, the barrier layer (16) contains GaN, and the ratio b/a of the thickness b of the barrier layer (16) to the thickness a of the light emitting layer (15) is 11 to 25.Type: GrantFiled: July 10, 2019Date of Patent: December 19, 2023Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Eri Takahashi, Shin Imamura, Makoto Suzuki, Shunsuke Mizutani
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Publication number: 20230184704Abstract: The present invention provides: a scintillator which is reduced in the intensity of the afterglow, while having increased luminous intensity; and a charged particle radiation apparatus. A scintillator according to the present invention is characterized in that: a base material, a buffer layer, a light emitting part and a first conductive layer are sequentially stacked in this order; the light emitting part contains one or more elements that are selected from the group consisting of Ga, Zn, In, Al, Cd, Mg, Ca and Sr; and a second conductive layer is provided between the base material and the light emitting part.Type: ApplicationFiled: June 10, 2020Publication date: June 15, 2023Inventors: Eri TAKAHASHI, Shin IMAMURA, Makoto SUZUKI, Shunsuke MIZUTANI
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Publication number: 20220413169Abstract: Provided are a scintillator and the like capable of improving emission intensity. A scintillator (S) comprises a sapphire substrate (6), a GaN layer (4) that is provided on the incident side to the sapphire substrate (6) and includes GaN, a quantum well structure (3) provided on the incident side to the GaN layer (4), and a conductive layer (2) provided on the incident side to the quantum well structure (3), wherein a plurality of emitting layers (21) including InGaN and a plurality of barrier layers (22) including GaN are alternatively stacked in the quantum well structure (3), and an oxygen-containing layer (23) including oxygen is provided between the quantum well structure (3) and the conductive layer (2).Type: ApplicationFiled: November 19, 2020Publication date: December 29, 2022Inventors: Shin IMAMURA, Toshiaki KUSUNOKI, Eri TAKAHASHI, Yoshifumi SEKIGUCHI, Takayuki KANDA
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Publication number: 20220244412Abstract: The purpose of the present invention is to provide a scintillator for a charged particle beam device and a charged particle beam device which achieve both an increase in emission intensity and a reduction in afterglow intensity. This scintillator for a charged particle beam device is characterized by comprising a substrate (13), a buffer layer (14) formed on a surface of the substrate (13), a stack (12) of a light emitting layer (15) and a barrier layer (16) formed on a surface of the buffer layer (14), and a conductive layer (17) formed on a surface of the stack (12) and by being configured such that the light emitting layer (15) contains InGaN, the barrier layer (16) contains GaN, and the ratio b/a of the thickness b of the barrier layer (16) to the thickness a of the light emitting layer (15) is 11 to 25.Type: ApplicationFiled: July 10, 2019Publication date: August 4, 2022Inventors: Eri TAKAHASHI, Shin IMAMURA, Makoto SUZUKI, Shunsuke MIZUTANI
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Patent number: 11401435Abstract: An object is to improve the lamination strength and anti-blocking suitability of matters printed with an aqueous white inkjet ink composition containing titanium oxide, etc., on polyethylene terephthalate, polypropylene, nylon, and other resin films. As a means for achieving the object, an ink set is provided that includes a combination of: an aqueous primer composition containing an acrylic resin and/or vinyl acetate resin, and a calcium salt; and an aqueous white inkjet ink composition containing a polyester polyurethane resin emulsion with a rate of elongation of 500 to 1500% by 0.1 to 10.0 percent by mass in solids content in the aqueous white inkjet ink composition, a wax emulsion, and a titanium oxide.Type: GrantFiled: December 20, 2018Date of Patent: August 2, 2022Assignee: SAKATA INX CORPORATIONInventors: Yoichi Sato, Kazuki Moriyasu, Eri Takahashi, Takaaki Sano
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Publication number: 20210237415Abstract: The present invention aims to provide an aqueous inkjet ink composition for lamination that can provide various advantages such as reduction of residual solvent, improvement of the printing work environment, prevention of air pollution, and fire safety, enables efficient adaptation to the recent decrease in lot size and increase in product variety, has high versatility that allows use for various types of base film, and enables production of a food packaging container that does not break at least during processes such as transportation and display and can be easily opened without causing the double bag state.Type: ApplicationFiled: July 24, 2019Publication date: August 5, 2021Inventors: Yoichi SATO, Kazuki MORIYASU, Eri TAKAHASHI, Takaaki SANO
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Patent number: 11007480Abstract: An object of the present invention is to provide an exhaust gas purification system which exhibits high exhaust gas purification performance. The present invention provides an exhaust gas purification system including: a carrier containing aluminum oxide; an exhaust gas purification device including a catalyst provided on the carrier and containing gallium, and connected to an internal combustion engine; and a system connected to the exhaust gas purification device for increasing an oxygen concentration. The system for increasing an oxygen concentration provides an oxygen concentration higher than that of a post combusted gas of the internal combustion engine.Type: GrantFiled: February 5, 2018Date of Patent: May 18, 2021Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Eri Takahashi, Masato Kaneeda, Kazuhiro Oryoji, Naoki Yoneya, Masayuki Saruwatari
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Publication number: 20200392360Abstract: An object is to improve the lamination strength and anti-blocking suitability of matters printed with an aqueous white inkjet ink composition containing titanium oxide, etc., on polyethylene terephthalate, polypropylene, nylon, and other resin films. As a means for achieving the object, an ink set is provided that includes a combination of: an aqueous primer composition containing an acrylic resin and/or vinyl acetate resin, and a calcium salt; and an aqueous white inkjet ink composition containing a polyester polyurethane resin emulsion with a rate of elongation of 500 to 1500% by 0.1 to 10.0 percent by mass in solids content in the aqueous white inkjet ink composition, a wax emulsion, and a titanium oxide.Type: ApplicationFiled: December 20, 2018Publication date: December 17, 2020Inventors: Yoichi SATO, Kazuki MORIYASU, Eri TAKAHASHI, Takaaki SANO
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Publication number: 20200001236Abstract: An object of the present invention is to provide an exhaust gas purification system which exhibits high exhaust gas purification performance. The present invention provides an exhaust gas purification system including: a carrier containing aluminum oxide; an exhaust gas purification device including a catalyst provided on the carrier and containing gallium, and connected to an internal combustion engine; and a system connected to the exhaust gas purification device for increasing an oxygen concentration. The system for increasing an oxygen concentration provides an oxygen concentration higher than that of a post combusted gas of the internal combustion engine.Type: ApplicationFiled: February 5, 2018Publication date: January 2, 2020Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Eri TAKAHASHI, Masato KANEEDA, Kazuhiro ORYOJI, Naoki YONEYA, Masayuki SARUWATARI
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Patent number: 9786830Abstract: A thermoelectric generation module having: a base material; a plurality of electrodes disposed on the base material; and a thermoelectric conversion layer that coats each of the electrodes individually leaving a portion of the electrode to which a wiring is to be connected, wherein the thermoelectric conversion layer adheres to the base material around the electrode excluding the portion of the electrode to which the wiring is to be connected.Type: GrantFiled: September 17, 2015Date of Patent: October 10, 2017Assignee: FUJIFILM CorporationInventors: Naoyuki Hayashi, Eri Takahashi
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Patent number: 9502629Abstract: In a thermoelectric conversion element comprising a thermoelectric conversion layer formed by using a thermoelectric conversion material, the thermoelectric conversion material includes a polythiophene polymer, which includes a main chain made of a repeating unit represented by the following formula (1), and has a side chain R in a regiorandom array with respect to the main chain, a carbon nanotube, and a non-conjugated macromolecule. In Formula (1), R represents an alkyl group having 1 to 20 carbon atoms.Type: GrantFiled: December 22, 2014Date of Patent: November 22, 2016Assignee: FUJIFILM CorporationInventor: Eri Takahashi
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Patent number: 9461230Abstract: The present invention relates to a thermoelectric conversion material including a carbon nanotube, a thermoelectric conversion element including the same, an article for thermoelectric power generation, and a method for manufacturing the thermoelectric conversion element. The thermoelectric conversion material comprising: a carbon nanotube; and a polythiophene polymer constituted of a repeating unit represented by the following formula (1), in Formula (1), each of R1 and R2 independently represents an alkyl group having 1 to 20 carbon atoms.Type: GrantFiled: December 9, 2014Date of Patent: October 4, 2016Assignee: FUJIFILM CorporationInventors: Eri Takahashi, Yoichi Maruyama
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Publication number: 20160104829Abstract: Provided are a thermoelectric conversion element in which an electrode pair is formed on a substrate, an insulating layer is formed between the electrode pair, an n-type thermoelectric conversion layer containing an organic n-type thermoelectric conversion material is formed on one electrode, and a p-type thermoelectric conversion layer containing an organic p-type thermoelectric conversion material is formed on the other electrode, while the n-type thermoelectric conversion layer and the p-type thermoelectric conversion layer have a separation region in which the two members are arranged apart by the insulating layer and a contact region formed thereabove, in which the two members are joined to each other; and a thermoelectric conversion module using this thermoelectric conversion element.Type: ApplicationFiled: December 16, 2015Publication date: April 14, 2016Applicant: FUJIFILM CorporationInventors: Naoyuki HAYASHI, Eri TAKAHASHI
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Publication number: 20160013392Abstract: A method of producing a thermoelectric conversion element which has, on a substrate, a first electrode, a thermoelectric conversion layer, and a second electrode, which method comprising a step of preparing a dispersion for the thermoelectric conversion layer containing a nano conductive material by subjecting at least the material and a dispersion medium to a high-speed rotating thin film dispersion method; and a step of applying the prepared dispersion on or above the substrate and then drying the dispersion; and a method of preparing a dispersion for a thermoelectric conversion layer, which method comprises dispersing a nano conductive material into the dispersion medium by subjecting at least the material and the medium to a high-speed rotating thin film dispersion method.Type: ApplicationFiled: September 23, 2015Publication date: January 14, 2016Applicant: FUJIFILM CORPORATIONInventors: Eri TAKAHASHI, Naoyuki HAYASHI, Yoichi MARUYAMA
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Publication number: 20160005948Abstract: A thermoelectric generation module having: a base material; a plurality of electrodes disposed on the base material; and a thermoelectric conversion layer that coats each of the electrodes individually leaving a portion of the electrode to which a wiring is to be connected, wherein the thermoelectric conversion layer adheres to the base material around the electrode excluding the portion of the electrode to which the wiring is to be connected.Type: ApplicationFiled: September 17, 2015Publication date: January 7, 2016Applicant: FUJIFILM CORPORATIONInventors: Naoyuki HAYASHI, Eri TAKAHASHI
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Publication number: 20150318775Abstract: A power generator comprises a first array of magnets or a first sheet magnet, a first conductor, and a power management circuit. The first array comprises a one dimensional or two dimensional array of magnets. The first sheet magnet includes a one dimensional or two dimensional array of alternating magnetic poles. The first conductor comprises a first serpentine conductor that is on a plurality of layers of a first multilayer printed circuit board or a first serpentine conductor that is on one or more planes.Type: ApplicationFiled: April 29, 2015Publication date: November 5, 2015Inventors: Eri Takahashi, Shadrach Joseph Roundy
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Patent number: 9048717Abstract: A power generator includes a first array of magnets or a first sheet magnet, a first conductor, and a power management circuit. The first array comprises a one dimensional or two dimensional array of magnets. The first sheet magnet includes a one dimensional or two dimensional array of alternating magnetic poles. The first conductor comprises a first serpentine conductor that is on a plurality of layers of a first multilayer printed circuit board or a first serpentine conductor that is on one or more planes. The power management circuit provides DC power as a result of relative motion between the first array of magnets or the first sheet magnet and the first conductor.Type: GrantFiled: August 13, 2010Date of Patent: June 2, 2015Assignee: EcoHarvester, Inc.Inventors: Eri Takahashi, Shadrach Joseph Roundy
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Publication number: 20150107638Abstract: In a thermoelectric conversion element comprising a thermoelectric conversion layer formed by using a thermoelectric conversion material, the thermoelectric conversion material includes a polythiophene polymer, which includes a main chain made of a repeating unit represented by the following formula (1), and has a side chain R in a regiorandom array with respect to the main chain, a carbon nanotube, and a non-conjugated macromolecule. In Formula (1), R represents an alkyl group having 1 to 20 carbon atoms.Type: ApplicationFiled: December 22, 2014Publication date: April 23, 2015Applicant: FUJIFILM CorporationInventor: Eri TAKAHASHI
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Publication number: 20150096604Abstract: The present invention relates to a thermoelectric conversion material including a carbon nanotube, a thermoelectric conversion element including the same, an article for thermoelectric power generation, and a method for manufacturing the thermoelectric conversion element. The thermoelectric conversion material comprising: a carbon nanotube; and a polythiophene polymer constituted of a repeating unit represented by the following formula (1), in Formula (1), each of R1 and R2 independently represents an alkyl group having 1 to 20 carbon atoms.Type: ApplicationFiled: December 9, 2014Publication date: April 9, 2015Applicant: FUJIFILM CORPORATIONInventors: Eri TAKAHASHI, Yoichi MARUYAMA
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Publication number: 20140230871Abstract: A thermoelectric conversion material containing a carbon nanotube and a conjugated polymer, in which the conjugated polymer at least has, as a repeating unit having a conjugated system, (A) a condensed polycyclic structure in which three or more rings selected from hydrocarbon rings and heterocycles are condensed, and (B) a monocyclic aromatic hydrocarbon ring structure, a monocyclic aromatic heterocyclic structure, or a condensed ring structure including the monocyclic structure; and a thermoelectric conversion element using the same.Type: ApplicationFiled: April 29, 2014Publication date: August 21, 2014Applicant: FUJIFILM CORPORATIONInventors: Ryo NISHIO, Toshiaki AOAI, Naoyuki HAYASHI, Eri TAKAHASHI