Keita Hamakawa

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Patents Grantslast 30 patents

Information Patent Grant
Electric storage element
- Patent number 9,793,569
- Issue date Oct 17, 2017
- GS Yuasa International Ltd.
- Keita Hamakawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRIC STORAGE ELEMENT
- Publication number 20140087223
- Publication date Mar 27, 2014
- Lithium Energy Japan
- Keita Hamakawa
- H01 - BASIC ELECTRIC ELEMENTS