Atsushi Sumi

Follow

Person

Hitachinaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Battery pack and electric tool
- Patent number 7,948,210
- Issue date May 24, 2011
- Hitachi Koki Co., Ltd.
- Kazuhiko Funabashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Battery Pack and Electric Tool
- Publication number 20080252263
- Publication date Oct 16, 2008
- Kazuhiko Funabashi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER