Tatsuya Ohshima

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Ymaguchi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Surface-treated steel sheet for battery case, battery case comprisi...
- Patent number 6,551,721
- Issue date Apr 22, 2003
- Toyo Kohan Co., Ltd.
- Hitoshi Ohmura
- H01 - BASIC ELECTRIC ELEMENTS