Ibaraki
Japan
4
2011-08-11
4
2013-11-05
These are the the leading inventors for applications assigned to HITACHI ENGINEERING & SERVICES CO., LTD.:
HITACHI ENGINEERING & SERVICES CO., LTD. based in Ibaraki, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:
Power storage apparatus of power generation system and operating method of power storage apparatus
#2 | 2010-04-08 ✅ Patent 7,872,472 granted on 2011-01-18Eddy current testing apparatus and eddy current testing method
#3 | 2010-04-08 ✅ Patent 7,772,840 granted on 2010-08-10Eddy current testing method
#4 | 2009-12-03 ✅ Patent 8,334,606 granted on 2012-12-18Wind power generation system of a type provided with power storage system
215554 ⎘