Inventor
ECHIGO MITSUAKI
JP37 patents
⚠️ This page may combine multiple inventors who share the name “ECHIGO MITSUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OSAKA GAS CO LTD
36 patentsUS7247592B2Jul 24, 2007
Method of activating catalyst for carbon monoxide removal
OSAKA GAS CO LTD17 citations92
US7544634B2Jun 9, 2009
Carbon monoxide removing catalyst
OSAKA GAS CO LTD9 citations84
US6913738B1Jul 5, 2005
System for removing carbon monoxide and method for removing carbon monoxide
OSAKA GAS CO LTD15 citations84
US6844292B1Jan 18, 2005
Method for preparing catalyst for reforming methanol
OSAKA GAS CO LTD7 citations74
US12476262B2Nov 18, 2025
Metal support, electrochemical element, electrochemical module, electrochemical device, energy system, solid oxide fuel cell, solid oxide electrolysis cell, and method for producing metal support
OSAKA GAS CO LTD0 citations62
US12110598B2Oct 8, 2024
Manufacturing method for alloy material, alloy material, electrochemical element, electrochemical module, electrochemical device, energy system and solid oxide fuel cell
OSAKA GAS CO LTD0 citations62
US11767586B2Sep 26, 2023
Manufacturing method for alloy material, alloy material, electrochemical element, electrochemical module, electrochemical device, energy system and solid oxide fuel cell
OSAKA GAS CO LTD0 citations62
US11749824B2Sep 5, 2023
Metal plate, electrochemical element, electrochemical module, electrochemical device, energy system, solid oxide fuel cell, and method for manufacturing metal plate
OSAKA GAS CO LTD0 citations62
US11677080B2Jun 13, 2023
Electrochemical element, electrochemical module, solid oxide fuel cell and manufacturing method
OSAKA GAS CO LTD1 citations62
US11670779B2Jun 6, 2023
Metal support for electrochemical element, electrochemical element, electrochemical module, electrochemical device, energy system, solid oxide fuel cell, solid oxide electrolytic cell, and method for manufacturing metal support
OSAKA GAS CO LTD0 citations62
US11233262B2Jan 25, 2022
Electrochemical element, electrochemical module, electrochemical device, energy system, solid oxide fuel cell and manufacturing method for electrochemical element
OSAKA GAS CO LTD0 citations62
US11228041B2Jan 18, 2022
Electrochemical device, energy system and solid oxide fuel cell
OSAKA GAS CO LTD0 citations62
US11189838B2Nov 30, 2021
Metal-supported electrochemical element, solid oxide fuel cell and method of manufacturing such metal-supported electrochemical element
OSAKA GAS CO LTD0 citations62
US11189839B2Nov 30, 2021
Metal-supported electrochemical element, solid oxide fuel cell and method of manufacturing such metal-supported electrochemical element
OSAKA GAS CO LTD0 citations62
US10892493B2Jan 12, 2021
Metal-supported electrochemical element, solid oxide fuel cell and method of manufacturing such metal-supported electrochemical element
OSAKA GAS CO LTD0 citations62
US7658908B2Feb 9, 2010
Method of removing carbon monoxide and operating a fuel cell system
OSAKA GAS CO LTD3 citations62
US12529151B2Jan 20, 2026
Electrolysis cell unit, electrolysis cell device, hydrocarbon production system, and production method and use method of electrolysis cell unit
OSAKA GAS CO LTD0 citations52
US12278408B2Apr 15, 2025
Electrochemical element, electrochemical module, electrochemical device, and energy system
OSAKA GAS CO LTD0 citations52
US12230847B2Feb 18, 2025
Electrochemical element, electrochemical module, electrochemical device, and energy system
OSAKA GAS CO LTD0 citations52
US12142799B2Nov 12, 2024
Electrochemical element stack, electrochemical element, electrochemical module, electrochemical device, and energy system
OSAKA GAS CO LTD0 citations52
US11978937B2May 7, 2024
Electrochemical element, electrochemical module, electrochemical device, and energy system
OSAKA GAS CO LTD0 citations52
US8357341B2Jan 22, 2013
Carbon monoxide removal method, operating method for fuel reforming system, carbon monoxide remover, fuel removal system having the carbon monoxide remover, and filter
OSAKA GAS CO LTD0 citations52
US7972585B2Jul 5, 2011
Carbon monoxide removal method, operating method for fuel reforming system, carbon monoxide remover , fuel removal system having the carbon monoxide remover, and filter
OSAKA GAS CO LTD0 citations52
US7544341B2Jun 9, 2009
Method of removing carbon monoxide
OSAKA GAS CO LTD0 citations52
US12119526B2Oct 15, 2024
Metal support for electrochemical element, electrochemical element, electrochemical module, electrochemical device, energy system, solid oxide fuel cell, solid oxide electrolytic cell, and method for manufacturing metal support
OSAKA GAS CO LTD0 citations51
US10347929B2Jul 9, 2019
Electrochemical element, solid oxide fuel cell, and methods for producing the same
OSAKA GAS CO LTD0 citations51
US10020527B2Jul 10, 2018
Electrochemical element, solid oxide fuel cell, and methods for producing the same
OSAKA GAS CO LTD0 citations51
US12212026B2Jan 28, 2025
Fuel cell single unit, fuel cell module, and fuel cell device
OSAKA GAS CO LTD0 citations49
US12126064B2Oct 22, 2024
Metal support-type fuel cell and fuel cell module
OSAKA GAS CO LTD0 citations49
US11996592B2May 28, 2024
Electrochemical module, electrochemical device, and energy system
OSAKA GAS CO LTD0 citations49
US11757122B2Sep 12, 2023
Electrochemical module, electrochemical device, and energy system
OSAKA GAS CO LTD0 citations49
US11749821B2Sep 5, 2023
Fuel cell device and method for operating fuel cell device
OSAKA GAS CO LTD0 citations49
US11973253B2Apr 30, 2024
Electrochemical module, method for assembling electrochemical module, electrochemical device, and energy system
OSAKA GAS CO LTD0 citations48
US11967740B2Apr 23, 2024
Electrochemical element, electrochemical element stack, electrochemical module, electrochemical device, and energy system
OSAKA GAS CO LTD0 citations47
US11936076B2Mar 19, 2024
Metal support for electrochemical element, electrochemical element, electrochemical module, electrochemical device, energy system, solid oxide fuel cell, and method for manufacturing metal support
OSAKA GAS CO LTD0 citations47
US11367887B2Jun 21, 2022
Fuel cell system and method for operating fuel cell system
OSAKA GAS CO LTD0 citations47