Patents by Inventor Mitsuaki Echigo

Mitsuaki Echigo 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).

  • Publication number: 20230282844
    Abstract: The present invention includes metal materials 42a and 52a made of thermally expandable members that thermally expand, and insulating metal oxide layers 42b and 52b. The metal materials 42a and 52a and the metal oxide layers 42b and 52b formed in an annular shape have through holes 42c and 52c thereinside.
    Type: Application
    Filed: March 31, 2021
    Publication date: September 7, 2023
    Inventors: Norihisa Shinke, Mitsuaki Echigo, Kyohei Manabe, Hisao Ohnishi, Masakazu Yoda, Tadayuki Sogi, Akio Inaya
  • Publication number: 20230234084
    Abstract: Provided is a film forming apparatus capable of stably supplying a large amount of ceramic raw material powder for a long time and forming a homogeneous and dense film. A film forming apparatus 1 for forming a film on a base material K includes an aerosol transport path 10 for ejecting an aerosol obtained by dispersing a ceramic raw material powder in a gas, from an ejection end 10a toward the base material K, in which a flow path cross-section at an ejection end 10a of the aerosol transport path 10 has a substantially circular shape with an area of 10 mm2 or more.
    Type: Application
    Filed: March 31, 2021
    Publication date: July 27, 2023
    Inventors: Kyohei Manabe, Katsuki Higaki, Hisao Ohnishi, Mitsuaki Echigo, Tadayuki Sogi, Jun Akedo, Rintaro Aoyagi, Hiroaki Matsui, Kentaro Shinoda, Hiroki Tsuda
  • Patent number: 11677080
    Abstract: Provided is a low-cost electrochemical element that includes a high-performance electrode layer. The electrochemical element includes an electrode layer, and the electrode layer contains small particles and large particles. The small particles have a particle diameter of 200 nm or less in the electrode layer, and the large particles have a particle diameter of 500 nm or more in the electrode layer.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: June 13, 2023
    Assignee: Osaka Gas Co., Ltd.
    Inventors: Kazuyuki Minami, Mitsuaki Echigo, Hisao Ohnishi, Yuji Tsuda, Kyohei Manabe, Osamu Yamazaki
  • Patent number: 11670779
    Abstract: A metal support for an electrochemical element has a plate shape as a whole, and is provided with a plurality of penetration spaces that pass through the metal support from a front face to a back face. The front face is a face to be provided with an electrode layer. Each of front-side openings that are openings of the penetration spaces formed in the front face has an area of 3.0×10?4 mm2 or more and 3.0×10?3 mm2 or less.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: June 6, 2023
    Assignee: Osaka Gas Co., Ltd.
    Inventors: Mitsuaki Echigo, Hisao Ohnishi, Kazuyuki Minami, Yuji Tsuda, Kyohei Manabe, Osamu Yamazaki
  • Publication number: 20230160079
    Abstract: -- An electrolysis cell unit capable of efficiently electrolyzing water and carbon dioxide is obtained. An electrolysis cell unit includes at least an electrolysis cell in which an electrode layer and a counter electrode layer are formed with an electrolyte layer interposed therebetween and a discharge path for discharging hydrogen generated in the electrode layer, in which the electrolysis cell being formed in a thin layer on a support and a reverse water-gas shift reaction unit that generates carbon monoxide using carbon dioxide and the hydrogen by a reverse water-gas shift reaction being provided in at least a portion of the discharge path.
    Type: Application
    Filed: March 31, 2021
    Publication date: May 25, 2023
    Inventors: Mitsuaki Echigo, Hisao Ohnishi, Yuji Tsuda
  • Publication number: 20230149889
    Abstract: A hydrocarbon production system capable of efficiently producing hydrocarbon containing a high-calorie gas by securing hydrogen and carbon monoxide required for hydrocarbon synthesis using water and carbon dioxide as raw materials is obtained. The hydrocarbon production system includes an electrolytic reaction unit that converts water and carbon dioxide into hydrogen and carbon monoxide through an electrolytic reaction, a catalytic reaction unit that converts a product generated by the electrolytic reaction unit into hydrocarbon through a catalytic reaction, and branch paths and that branch a portion of an outlet component of the catalytic reaction unit.
    Type: Application
    Filed: March 31, 2021
    Publication date: May 18, 2023
    Inventors: Mitsuaki Echigo, Hisao Ohnishi
  • Publication number: 20230147978
    Abstract: Provided is a low-cost electrochemical element that has excellent performance, reliability, and durability. Also, provided is a manufacturing method for an electrochemical element including a metal substrate (metal support) and an electrode layer formed on/over the metal substrate. The method includes an electrode layer forming step of forming an electrode layer having a region with a surface roughness of 1.0 ?m or less on/over the metal substrate, and an electrolyte layer forming step of forming an electrolyte layer by spraying aerosolized metal oxide powder onto the electrode layer.
    Type: Application
    Filed: January 11, 2023
    Publication date: May 11, 2023
    Inventors: Mitsuaki Echigo, Hisao Ohnishi, Yuji Tsuda, Kyohei Manabe, Kazuyuki Minami
  • Publication number: 20230111972
    Abstract: A reverse water-gas shift catalyst that can be used at a high temperature is obtained, and a production method thereof is obtained. The reverse water-gas shift catalyst is obtained by at least supporting one or both of nickel and iron as a catalytically active component on a carrier containing a ceria-based metal oxide or a zirconia-based metal oxide as a main component, and a ratio of the carrier to the entire catalyst is 55% by weight or more.
    Type: Application
    Filed: March 31, 2021
    Publication date: April 13, 2023
    Inventors: Mitsuaki Echigo, Yuji Tsuda, Takenori Hirano
  • Publication number: 20230114967
    Abstract: As a hydrocarbon production system that synthesizes hydrocarbons using water and carbon dioxide as raw materials, a hydrocarbon production system capable of producing hydrocarbons by securing hydrogen and carbon monoxide required for hydrocarbon synthesis is provided. In a hydrocarbon production system that produces hydrocarbons from at least water and carbon dioxide, the hydrocarbon production system includes at least an electrolytic reaction unit, a reverse water-gas shift reaction unit, and a hydrocarbon synthesis reaction unit.
    Type: Application
    Filed: March 31, 2021
    Publication date: April 13, 2023
    Inventors: Mitsuaki Echigo, Hisao Ohnishi, Yuji Tsuda
  • Publication number: 20230110742
    Abstract: In a metal support mostly used for a metal-supported solid oxide fuel cell (SOFC), a SOFC system that improves the power generation efficiency by allowing a gas to smoothly flow into or flow out from the through-holes is achieved. A metal support is formed in a plate shape as a whole and has a plurality of through-holes penetrating from a front surface on which an electrode layer is provided to a back surface, and the metal support has inclined through-holes, as the through-holes each of which has a central axis inclined with respect to a thickness direction.
    Type: Application
    Filed: March 31, 2021
    Publication date: April 13, 2023
    Inventors: Mitsuaki Echigo, Yuji Tsuda, Hisao Ohnishi
  • Patent number: 11367887
    Abstract: Provided is a fuel cell system capable of further increasing electric power generation efficiency, compared to the current circumstances, with respect to a fuel cell SOFC that generates electric power by supplying a reformed gas obtained by steam reforming to a fuel electrode. A steam reformer that reforms a hydrocarbon fuel by a steam reforming reaction; a fuel cell that operates by introducing a reformed gas to a fuel electrode; and an anode off-gas circulation path that removes condensed water while cooling an anode off-gas, and introduces the anode off-gas to the steam reformer are provided. A condensation temperature in a condensing device is controlled by a control unit that controls a steam partial pressure of the anode off-gas circulated to the steam reformer, and S/C adjustment is adapted to high-efficiency electric power generation.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: June 21, 2022
    Assignee: Osaka Gas Co., Ltd.
    Inventors: Noritoshi Shinke, Mitsuaki Echigo
  • Publication number: 20220190359
    Abstract: An electrochemical element including a plate-like support provided with an internal passage therein. The plate-like support includes a gas-permeable portion through which gas is permeable between the internal passage and the outside of the plate-like support and an electrochemical reaction portion that is formed by stacking at least a film-like electrode layer, a film-like electrolyte layer, and a film-like counter electrode layer in the stated order in a predetermined stacking direction on an outer face of the plate-like support so as to entirely or partially cover the gas-permeable portion. A first gas, that is one of reducing component gas and oxidative component gas, flows through the internal passage, and the internal passage is provided with a turbulence forming body that forms a turbulence state of the first gas.
    Type: Application
    Filed: March 27, 2020
    Publication date: June 16, 2022
    Inventors: Mitsuaki Echigo, Hisao Ohnishi, Norihisa Shinke, Tadayuki Sogi, Kazuyuki Minami
  • Publication number: 20220181648
    Abstract: In the electrochemical element, a plate-like support includes an internal passage through which a first gas flows, a gas-permeable portion, and an electrochemical reaction portion in which a film-like electrode layer, a film-like electrolyte layer, and a film-like counter electrode layer are stacked so as to entirely or partially cover the gas-permeable portion. The internal passage includes a plurality of auxiliary passages through which the first gas flows in a predetermined flowing direction, and a distribution portion provided on the upstream side of the plurality of auxiliary passages in the flowing direction of the first gas. The plate-like support includes a supply structure that is located between the distribution portion and the auxiliary passages in the flowing direction. The first gas is temporarily stored in the distribution portion and supply of the first gas from the distribution portion to the plurality of auxiliary passages is limited.
    Type: Application
    Filed: March 27, 2020
    Publication date: June 9, 2022
    Inventors: Hisao Ohnishi, Tetsuya Mori, Mitsuaki Echigo
  • Publication number: 20220181671
    Abstract: An electrochemical module including, a stack obtained by stacking, in a predetermined stacking direction, a plurality of electrochemical elements having a configuration in which an electrode layer, an electrolyte layer, and a counter electrode layer are formed along a substrate, via an annular sealing portion through which first gas, that is one of reducing component gas and oxidative component gas, flows; a container including an upper cover for pressing a first flat face in the stacking direction of the stack and a lower cover for pressing a second flat face on a side opposite to the first flat face, the stack clamped between the upper cover and the lower cover; an elastic lower plate-like member arranged between the first flat face and the upper cover; and a first gas supply portion and a first gas discharge portion connected to the second flat face in communication with the annular sealing portion.
    Type: Application
    Filed: March 27, 2020
    Publication date: June 9, 2022
    Inventors: Norihisa Shinke, Kazuyuki Minami, Mitsuaki Echigo
  • Publication number: 20220181651
    Abstract: An electrochemical module including: a stack obtained by stacking, in a predetermined stacking direction, a plurality of electrochemical elements having a configuration in which an electrode layer, an electrolyte layer, and a counter electrode layer are formed along a substrate, via an annular sealing portion through which first gas that is one of reducing component gas and oxidative component gas flows; a container that includes an upper cover for pressing a first flat face in the stacking direction of the stack and a lower cover for pressing a second flat face on a side opposite to the first flat face, the stack being sandwiched between the upper cover and the lower cover; and a pressing mechanism that presses a portion to which the annular sealing portion is attached against the container in the stacking direction.
    Type: Application
    Filed: March 27, 2020
    Publication date: June 9, 2022
    Inventors: Mitsuaki Echigo, Norihisa Shinke, Kazuyuki Minami
  • Patent number: 11233262
    Abstract: Provided are an electrochemical element and the like that have both durability and high performance as well as excellent reliability. The electrochemical element includes a metal support, and an electrode layer formed on/over the metal support. The metal support is made of any one of a Fe—Cr based alloy that contains Ti in an amount of 0.15 mass % or more and 1.0 mass % or less, a Fe—Cr based alloy that contains Zr in an amount of 0.15 mass % or more and 1.0 mass % or less, and a Fe—Cr based alloy that contains Ti and Zr, a total content of Ti and Zr being 0.15 mass % or more and 1.0 mass % or less.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: January 25, 2022
    Assignee: Osaka Gas Co., Ltd.
    Inventors: Mitsuaki Echigo, Hisao Ohnishi
  • Patent number: 11228041
    Abstract: Provided are a low-cost electrochemical device and the like that have both durability and high performance as well as excellent reliability. The electrochemical device includes at least one metal material, and the metal material is made of a Fe—Cr alloy that contains Ti in an amount of more than 0.10 mass % and 1.0 mass % or less.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: January 18, 2022
    Assignee: Osaka Gas Co., Ltd.
    Inventors: Mitsuaki Echigo, Hisao Ohnishi, Kazuyuki Minami, Yuji Tsuda
  • Publication number: 20210408568
    Abstract: Provided are a metal plate configured such that sufficient strength and performance are ensured and the workability and cost of mass production are improved, and an electrochemical element and the like including the metal plate. A metal plate 1 includes a thick portion 110, and a thin portion 120 that is thinner than the thick portion 110. The thin portion 120 is provided with a penetration space 1c passing through the thin portion 120 in the thickness direction.
    Type: Application
    Filed: March 29, 2019
    Publication date: December 30, 2021
    Inventors: Mitsuaki Echigo, Hisao Ohnishi
  • Patent number: 11189838
    Abstract: Realized is an element having an electrolyte layer that is dense and has high gas barrier characteristics. A metal-supported electrochemical element includes at least a metal substrate as a support, an electrode layer formed on/over the metal substrate, a buffer layer formed on the electrode layer, and an electrolyte layer formed on the buffer layer. The electrode layer is porous and the electrolyte layer is dense. The buffer layer has density higher than density of the electrode layer and lower than density of the electrolyte layer.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: November 30, 2021
    Assignee: Osaka Gas Co., Ltd.
    Inventors: Mitsuaki Echigo, Hisao Ohnishi, Kyohei Manabe, Osamu Yamazaki, Kazuyuki Minami, Yuji Tsuda
  • Patent number: 11189839
    Abstract: Realized is an element having an electrolyte layer that is dense and has high gas barrier characteristics. A metal-supported electrochemical element includes at least a metal substrate as a support, an electrode layer formed on/over the metal substrate, a buffer layer formed on the electrode layer, and an electrolyte layer formed on the buffer layer. The electrode layer is porous and the electrolyte layer is dense. The buffer layer has density higher than density of the electrode layer and lower than density of the electrolyte layer.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: November 30, 2021
    Assignee: Osaka Gas Co., Ltd.
    Inventors: Mitsuaki Echigo, Hisao Ohnishi, Kyohei Manabe, Osamu Yamazaki, Kazuyuki Minami, Yuji Tsuda