Yosimi Komatu

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Hitachi-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Secondary battery
- Patent number 5,922,491
- Issue date Jul 13, 1999
- Hitachi, Ltd.
- Kyoko Ikawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Secondary cell using system
- Publication number 20010020927
- Publication date Sep 13, 2001
- Kyoko Ikawa
- B60 - VEHICLES IN GENERAL