Takumi KOUNO

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Kitakyushu-shi, Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Catalyst-carrier carbon material, solid-polymer fuel cell catalyst,...
- Patent number 10,886,539
- Issue date Jan 5, 2021
- NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
- Takashi Iijima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Supporting carbon material for solid polymer fuel cell and catalyst...
- Patent number 10,096,837
- Issue date Oct 9, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Takashi Iijima
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Carbon support material for solid polymer type fuel cell use and me...
- Patent number 10,003,085
- Issue date Jun 19, 2018
- Nippon Steel & Sumitomo Metal Corporation
- Katsumasa Matsumoto
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CATALYST-CARRIER CARBON MATERIAL, SOLID-POLYMER FUEL CELL CATALYST,...
- Publication number 20180069247
- Publication date Mar 8, 2018
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Takashi IIJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SUPPORTING CARBON MATERIAL FOR SOLID POLYMER FUEL CELL AND CATALYST...
- Publication number 20170194652
- Publication date Jul 6, 2017
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Takashi IIJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CARBON SUPPORT MATERIAL FOR SOLID POLYMER TYPE FUEL CELL USE AND ME...
- Publication number 20160329571
- Publication date Nov 10, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Katsumasa MATSUMOTO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CARBON MATERIAL FOR CATALYST SUPPORT USE
- Publication number 20150352522
- Publication date Dec 10, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Kazuhiko MIZUUCHI
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL