P

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 patents
US7247592B2Jul 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

ECHIGO MITSUAKI

1 patent