Inventor · disambiguated record
Masayuki Ogura
Also filed as: OGURA MASAYUKI
16 granted patents·5 pending applications·323 citations·filing 2005–2023
94Inventor score
Top patents by PatentIndex Score
21 records- 0198US7521892B2Cordless power tool with overcurrent protection circuit permitting the overcurrent condition during specified time periodsHITACHI KOKI KK·Filed 2006·Granted Apr 21, 2009·108 cites·17 claims
- 0296US7446508B2Battery charger for charging lithium-ion batteryHITACHI KOKI KK·Filed 2006·Granted Nov 4, 2008·27 cites·29 claims
- 0392US11205820B2Battery pack, electrical device using battery pack, and electrical device systemKOKI HOLDINGS CO LTD·Filed 2017·Granted Dec 21, 2021·12 cites·24 claims
- 0491US7969116B2Power pack and cordless power tool having the sameHITACHI KOKI KK·Filed 2006·Granted Jun 28, 2011·37 cites·41 claims
- 0589US7306047B2Impact hammer drillHITACHI KOKI KK·Filed 2005·Granted Dec 11, 2007·27 cites·12 claims
- 0687USD628038SPortable electric driverHITACHI KOKI KK·Filed 2010·Granted Nov 30, 2010·43 cites·1 claims
- 0785USD761069SPortable electric driverHITACHI KOKI KK·Filed 2014·Granted Jul 12, 2016·28 cites·1 claims
- 0882US11824169B2Battery pack, electrical device using battery pack, and electrical device systemKOKI HOLDINGS CO LTD·Filed 2017·Granted Nov 21, 2023·1 cites·19 claims
- 0982US2024055674A1Battery pack, electric device using battery pack, and electric device systemKOKI HOLDINGS CO LTD·Filed 2023·Application pending·0 cites
- 1079US11837741B2Electrical apparatus using battery packKOKI HOLDINGS CO LTD·Filed 2018·Granted Dec 5, 2023·1 cites·14 claims
- 1176US9345156B2Power supply deviceOGURA MASAYUKI·Filed 2012·Granted May 17, 2016·8 cites·6 claims
- 1275US11745272B2Electrical device system, electrical device, and power supply deviceKOKI HOLDINGS CO LTD·Filed 2018·Granted Sep 5, 2023·1 cites·8 claims
- 1372US7556457B2Drilling system including drilling machine and compressorHITACHI KOKI KK·Filed 2005·Granted Jul 7, 2009·5 cites·10 claims
- 1463USD715617SPortable electric driverHITACHI KOKI KK·Filed 2013·Granted Oct 21, 2014·10 cites·1 claims
- 1557USD668608SPower supply deviceITOH TAKAFUMI·Filed 2012·Granted Oct 9, 2012·10 cites·1 claims
- 1649US11757293B2Battery pack, and electric appliance using battery packKOKI HOLDINGS CO LTD·Filed 2017·Granted Sep 12, 2023·0 cites·5 claims
- 1748US2011253402A1Battery Pack and Cordless Power Tool Having The SameARADACHI TAKAO·Filed 2011·Application pending·0 cites
- 1845USD610420SPortable electric driverHITACHI KOKI KK·Filed 2009·Granted Feb 23, 2010·5 cites·1 claims
- 1945US2013126202A1Screw Tightening ToolOOMORI KATSUHIRO·Filed 2011·Application pending·0 cites
- 2042US2013051104A1Battery Adapter and Power Source Device Employing SameNAKANO YASUSHI·Filed 2012·Application pending·0 cites
- 2141US2020212414A1Electric deviceKOKI HOLDINGS CO LTD·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →