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).

  • Patent number: 11846736
    Abstract: 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: Grant
    Filed: July 10, 2019
    Date of Patent: December 19, 2023
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Eri Takahashi, Shin Imamura, Makoto Suzuki, Shunsuke Mizutani
  • Publication number: 20230184704
    Abstract: 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: Application
    Filed: June 10, 2020
    Publication date: June 15, 2023
    Inventors: Eri TAKAHASHI, Shin IMAMURA, Makoto SUZUKI, Shunsuke MIZUTANI
  • Publication number: 20220413169
    Abstract: 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: Application
    Filed: November 19, 2020
    Publication date: December 29, 2022
    Inventors: Shin IMAMURA, Toshiaki KUSUNOKI, Eri TAKAHASHI, Yoshifumi SEKIGUCHI, Takayuki KANDA
  • Publication number: 20220244412
    Abstract: 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: Application
    Filed: July 10, 2019
    Publication date: August 4, 2022
    Inventors: Eri TAKAHASHI, Shin IMAMURA, Makoto SUZUKI, Shunsuke MIZUTANI
  • Patent number: 11401435
    Abstract: 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: Grant
    Filed: December 20, 2018
    Date of Patent: August 2, 2022
    Assignee: SAKATA INX CORPORATION
    Inventors: Yoichi Sato, Kazuki Moriyasu, Eri Takahashi, Takaaki Sano
  • Publication number: 20210237415
    Abstract: 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: Application
    Filed: July 24, 2019
    Publication date: August 5, 2021
    Inventors: Yoichi SATO, Kazuki MORIYASU, Eri TAKAHASHI, Takaaki SANO
  • Patent number: 11007480
    Abstract: 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: Grant
    Filed: February 5, 2018
    Date of Patent: May 18, 2021
    Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Eri Takahashi, Masato Kaneeda, Kazuhiro Oryoji, Naoki Yoneya, Masayuki Saruwatari
  • Publication number: 20200392360
    Abstract: 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: Application
    Filed: December 20, 2018
    Publication date: December 17, 2020
    Inventors: Yoichi SATO, Kazuki MORIYASU, Eri TAKAHASHI, Takaaki SANO
  • Publication number: 20200001236
    Abstract: 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: Application
    Filed: February 5, 2018
    Publication date: January 2, 2020
    Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.
    Inventors: Eri TAKAHASHI, Masato KANEEDA, Kazuhiro ORYOJI, Naoki YONEYA, Masayuki SARUWATARI
  • Patent number: 9786830
    Abstract: 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: Grant
    Filed: September 17, 2015
    Date of Patent: October 10, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Naoyuki Hayashi, Eri Takahashi
  • Patent number: 9502629
    Abstract: 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: Grant
    Filed: December 22, 2014
    Date of Patent: November 22, 2016
    Assignee: FUJIFILM Corporation
    Inventor: Eri Takahashi
  • Patent number: 9461230
    Abstract: 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: Grant
    Filed: December 9, 2014
    Date of Patent: October 4, 2016
    Assignee: FUJIFILM Corporation
    Inventors: Eri Takahashi, Yoichi Maruyama
  • Publication number: 20160104829
    Abstract: 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: Application
    Filed: December 16, 2015
    Publication date: April 14, 2016
    Applicant: FUJIFILM Corporation
    Inventors: Naoyuki HAYASHI, Eri TAKAHASHI
  • Publication number: 20160013392
    Abstract: 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: Application
    Filed: September 23, 2015
    Publication date: January 14, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Eri TAKAHASHI, Naoyuki HAYASHI, Yoichi MARUYAMA
  • Publication number: 20160005948
    Abstract: 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: Application
    Filed: September 17, 2015
    Publication date: January 7, 2016
    Applicant: FUJIFILM CORPORATION
    Inventors: Naoyuki HAYASHI, Eri TAKAHASHI
  • Publication number: 20150318775
    Abstract: 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: Application
    Filed: April 29, 2015
    Publication date: November 5, 2015
    Inventors: Eri Takahashi, Shadrach Joseph Roundy
  • Patent number: 9048717
    Abstract: 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: Grant
    Filed: August 13, 2010
    Date of Patent: June 2, 2015
    Assignee: EcoHarvester, Inc.
    Inventors: Eri Takahashi, Shadrach Joseph Roundy
  • Publication number: 20150107638
    Abstract: 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: Application
    Filed: December 22, 2014
    Publication date: April 23, 2015
    Applicant: FUJIFILM Corporation
    Inventor: Eri TAKAHASHI
  • Publication number: 20150096604
    Abstract: 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: Application
    Filed: December 9, 2014
    Publication date: April 9, 2015
    Applicant: FUJIFILM CORPORATION
    Inventors: Eri TAKAHASHI, Yoichi MARUYAMA
  • Publication number: 20140230871
    Abstract: 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: Application
    Filed: April 29, 2014
    Publication date: August 21, 2014
    Applicant: FUJIFILM CORPORATION
    Inventors: Ryo NISHIO, Toshiaki AOAI, Naoyuki HAYASHI, Eri TAKAHASHI