Inventor
OGURA MASAYUKI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “OGURA MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI KOKI KK
9 patentsUS7521892B2Apr 21, 2009
Cordless power tool with overcurrent protection circuit permitting the overcurrent condition during specified time periods
HITACHI KOKI KK108 citations98
USD761069SJul 12, 2016
Portable electric driver
HITACHI KOKI KK28 citations93
US7969116B2Jun 28, 2011
Power pack and cordless power tool having the same
HITACHI KOKI KK37 citations92
US7446508B2Nov 4, 2008
Battery charger for charging lithium-ion battery
HITACHI KOKI KK27 citations92
US7306047B2Dec 11, 2007
Impact hammer drill
HITACHI KOKI KK27 citations92
USD628038SNov 30, 2010
Portable electric driver
HITACHI KOKI KK43 citations91
USD715617SOct 21, 2014
Portable electric driver
HITACHI KOKI KK10 citations83
USD610420SFeb 23, 2010
Portable electric driver
HITACHI KOKI KK5 citations62
US7556457B2Jul 7, 2009
Drilling system including drilling machine and compressor
HITACHI KOKI KK5 citations62
KOKI HOLDINGS CO LTD
5 patentsUS11205820B2Dec 21, 2021
Battery pack, electrical device using battery pack, and electrical device system
KOKI HOLDINGS CO LTD12 citations85
US11837741B2Dec 5, 2023
Electrical apparatus using battery pack
KOKI HOLDINGS CO LTD1 citations62
US11824169B2Nov 21, 2023
Battery pack, electrical device using battery pack, and electrical device system
KOKI HOLDINGS CO LTD1 citations62
US11745272B2Sep 5, 2023
Electrical device system, electrical device, and power supply device
KOKI HOLDINGS CO LTD1 citations61
US11757293B2Sep 12, 2023
Battery pack, and electric appliance using battery pack
KOKI HOLDINGS CO LTD0 citations51