Kiyoshi Kato

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Battery pack and cordless tool using the same
- Patent number 8,579,042
- Issue date Nov 12, 2013
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Battery pack and cordless tool using the same
- Patent number 8,381,829
- Issue date Feb 26, 2013
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
BATTERY PACK AND CORDLESS TOOL USING THE SAME
- Publication number 20130154549
- Publication date Jun 20, 2013
- Hitachi Koki Co., Ltd.
- Hiroyuki Hanawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
BATTERY PACK AND CORDLESS TOOL USING THE SAME
- Publication number 20090071675
- Publication date Mar 19, 2009
- Hiroyuki Hanawa
- H01 - BASIC ELECTRIC ELEMENTS