Kyoko Ikawa

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Hitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Secondary battery power storage system
- Patent number RE39908
- Issue date Nov 6, 2007
- Hitachi, Ltd.
- Kyoko Ikawa
- 320 - Electricity: battery or capacitor charging or discharging
Information Patent Grant
Electric vehicle with secondary battery power storage system
- Patent number RE39749
- Issue date Jul 31, 2007
- Hitachi, Ltd.
- Kyoko Ikawa
- 320 - Electricity: battery or capacitor charging or discharging
Information Patent Grant
Secondary battery power storage system
- Patent number RE37678
- Issue date Apr 30, 2002
- Hitachi, Ltd.
- Kyoko Ikawa
- 320 - Electricity: battery or capacitor charging or discharging
Information Patent Grant
Electric vehicle with secondary battery power storage system
- Patent number 6,034,507
- Issue date Mar 7, 2000
- Hitachi, Ltd.
- Kyoko Ikawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Secondary battery
- Patent number 5,922,491
- Issue date Jul 13, 1999
- Hitachi, Ltd.
- Kyoko Ikawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Secondary battery power storage system
- Patent number 5,834,922
- Issue date Nov 10, 1998
- Hitachi, Ltd.
- Kyoko Ikawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Device for detecting residual capacity of secondary battery
- Patent number 5,537,390
- Issue date Jul 16, 1996
- Hitachi, Ltd.
- Tatsuo Horiba
- 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