Hitachi
Japan
4
2011-03-10
The entities that hold a legal rights for patent applications filed by inventor Seki Eiji:
Eiji Seki from Hitachi, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
LITHIUM ION SECONDARY BATTERY
#2 | 2010-11-25NEGATIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY USING THE SAME
#3 | 2010-03-25Charging/discharging control unit for lithium secondary battery
#4 | 2009-10-22Lithium secondary battery and production method of the same
3523094 ⎘