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last 30 patents
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Patent Grant
Carbon material for catalyst carrier of polymer electrolyte fuel ce...
Patent number
12,057,589
Issue date
Aug 6, 2024
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Takashi Iijima
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Carbon material for catalyst carrier of polymer electrolyte fuel ce...
Patent number
11,302,928
Issue date
Apr 12, 2022
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Takashi Iijima
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Carbon Material for Catalyst Carrier of Polymer Electrolyte Fuel Ce...
Publication number
20210344019
Publication date
Nov 4, 2021
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Takashi Iijima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CARBON MATERIAL FOR USE AS CATALYST CARRIER OF POLYMER ELECTROLYTE...
Publication number
20200119367
Publication date
Apr 16, 2020
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Takashi IIJIMA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CARBON MATERIAL FOR CATALYST CARRIER OF POLYMER ELECTROLYTE FUEL CE...
Publication number
20200055026
Publication date
Feb 20, 2020
NIPPON STEEL CORPORATION
Takashi IIJIMA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CARBON MATERIAL FOR CATALYST CARRIER OF POLYMER ELECTROLYTE FUEL CE...
Publication number
20200044261
Publication date
Feb 6, 2020
NIPPON STEEL CORPORATION
Takashi IIJIMA
H01 - BASIC ELECTRIC ELEMENTS