KOJI OGAWA

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Gas diffusion layer, membrane electrode assembly, fuel cell, and ma...
- Patent number 11,984,607
- Issue date May 14, 2024
- Panasonic Holdings Corporation
- Tsutomu Kawashima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Gas diffusion layer for fuel cell, method for manufacturing said la...
- Patent number 10,707,494
- Issue date Jul 7, 2020
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Tsutomu Kawashima
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
GAS DIFFUSION LAYER, MEMBRANE ELECTRODE ASSEMBLY, FUEL CELL, AND MA...
- Publication number 20210391583
- Publication date Dec 16, 2021
- PANASONIC CORPORATION
- Tsutomu KAWASHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVE ELECTRODE FOR AIR BATTERY
- Publication number 20190081375
- Publication date Mar 14, 2019
- Panasonic Intellectual Property Management Co., Ltd.
- KOICHI SAWADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
GAS DIFFUSION LAYER FOR FUEL CELL, METHOD FOR MANUFACTURING SAID LA...
- Publication number 20180301711
- Publication date Oct 18, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- TSUTOMU KAWASHIMA
- H01 - BASIC ELECTRIC ELEMENTS