Inventor
OGAWA ITSUSHI
JP3 patents
Patents
3 patentsUS9669536B2Jun 6, 2017
Powered working machine
HITACHI KOKI KK11 citations81
US9748534B2Aug 29, 2017
Electric tool and battery pack for the electric tool
HITACHI KOKI KK3 citations70
US9680349B2Jun 13, 2017
Power tool with substrate having apertures for cooling coils and switching elements
HITACHI KOKI KK4 citations70