Yukinori Akamoto

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Uninterruptible power supply
- Patent number 6,998,821
- Issue date Feb 14, 2006
- Toshiba Battery Co., Ltd.
- Hirotaka Sakai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Uninterruptible power supply
- Patent number 6,784,641
- Issue date Aug 31, 2004
- Toshiba Battery Co., Ltd.
- Hirotaka Sakai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery pack comprising hollow portion and power tool using the same
- Patent number 6,428,925
- Issue date Aug 6, 2002
- Toshiba Battery Co., Ltd.
- Kazuta Takeno
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Uninterruptible power supply
- Publication number 20040232885
- Publication date Nov 25, 2004
- TOSHIBA BATTERY CO., LTD.
- Hirotaka Sakai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
Uninterruptible power supply
- Publication number 20020033692
- Publication date Mar 21, 2002
- TOSHIBA BATTERY CO., LTD.
- Hirotaka Sakai
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER