Inventor · disambiguated record
Katsuhiro Oomori
Also filed as: OOMORI KATSUHIRO
40 granted patents·17 pending applications·2,330 citations·filing 2001–2013
99Inventor score
Top patents by PatentIndex Score
57 records- 0199US7185998B2Power toolHITACHI KOKI KK·Filed 2003·Granted Mar 6, 2007·135 cites·12 claims
- 0299US6679406B2Power toolHITACHI KOKI KK·Filed 2002·Granted Jan 20, 2004·113 cites·12 claims
- 0398US9314908B2Impact toolTANIMOTO HIDEYUKI·Filed 2010·Granted Apr 19, 2016·1.1k cites·5 claims
- 0497US8517558B2Power toolOOMORI KATSUHIRO·Filed 2011·Granted Aug 27, 2013·26 cites·3 claims
- 0597US8253285B2Power toolYOSHIDA KENICHIROU·Filed 2008·Granted Aug 28, 2012·43 cites·9 claims
- 0697US7934847B2Power tool with light unitHITACHI KOKI KK·Filed 2007·Granted May 3, 2011·48 cites·19 claims
- 0797US7677752B2Power tool equipped with lightHITACHI KOKI KK·Filed 2007·Granted Mar 16, 2010·53 cites·23 claims
- 0896US9391491B2Power toolHITACHI KOKI KK·Filed 2013·Granted Jul 12, 2016·15 cites·7 claims
- 0996US8627900B2Electric power toolOOMORI KATSUHIRO·Filed 2009·Granted Jan 14, 2014·49 cites·20 claims
- 1096US8541913B2Power toolYOSHIDA KENICHIROU·Filed 2012·Granted Sep 24, 2013·19 cites·3 claims
- 1196US8084901B2Power toolOOMORI KATSUHIRO·Filed 2008·Granted Dec 27, 2011·39 cites·12 claims
- 1296US7048075B2Power toolHITACHI KOKI KK·Filed 2002·Granted May 23, 2006·56 cites·29 claims
- 1395USD477205SImpact driverHITACHI KOKI KK·Filed 2001·Granted Jul 15, 2003·60 cites·1 claims
- 1494US9126316B2Electric toolOOMORI KATSUHIRO·Filed 2012·Granted Sep 8, 2015·15 cites·6 claims
- 1594USD567615SPortable electric driverHITACHI KOKI KK·Filed 2007·Granted Apr 29, 2008·59 cites·1 claims
- 1694US6905052B2Power toolHITACHI KOKI KK·Filed 2003·Granted Jun 14, 2005·45 cites·26 claims
- 1794USD484385SPortable electric driverHITACHI KOKI KK·Filed 2003·Granted Dec 30, 2003·59 cites·1 claims
- 1893US9950417B2Power toolITO YUTAKA·Filed 2011·Granted Apr 24, 2018·31 cites·4 claims
- 1993US9616558B2Impact toolNISHIKAWA TOMOMASA·Filed 2010·Granted Apr 11, 2017·19 cites·7 claims
- 2092US9590475B2Electric power toolHITACHI KOKI KK·Filed 2013·Granted Mar 7, 2017·10 cites·6 claims
- 2191US8381829B2Battery pack and cordless tool using the sameHITACHI KOKI KK·Filed 2007·Granted Feb 26, 2013·38 cites·15 claims
- 2291USD524136SPortable electric driverHITACHI KOKI KK·Filed 2005·Granted Jul 4, 2006·46 cites·1 claims
- 2388US9048699B2Power toolOOMORI KATSUHIRO·Filed 2009·Granted Jun 2, 2015·27 cites·11 claims
- 2488US8198835B2Cordless power tool and battery device used for sameYOKOYAMA KOUSEI·Filed 2007·Granted Jun 12, 2012·46 cites·8 claims
- 2588US7416031B2Impact toolHITACHI KOKI KK·Filed 2006·Granted Aug 26, 2008·30 cites·5 claims
- 2687US7490746B2Power toolHITACHI KOKI KK·Filed 2006·Granted Feb 17, 2009·20 cites·4 claims
- 2785US8579042B2Battery pack and cordless tool using the sameHITACHI KOKI KK·Filed 2013·Granted Nov 12, 2013·8 cites·13 claims
- 2884US7455121B2Power toolHITACHI KOKI KK·Filed 2004·Granted Nov 25, 2008·24 cites·5 claims
- 2982US8087556B2Power toolOOMORI KATSUHIRO·Filed 2007·Granted Jan 3, 2012·21 cites·5 claims
- 3082US7368843B2Commutator motorHITACHI KOKI KK·Filed 2006·Granted May 6, 2008·8 cites·9 claims
- 3182US7344054B2Power toolHITACHI KOKI KK·Filed 2004·Granted Mar 18, 2008·18 cites·20 claims
- 3280US9522461B2Impact toolOOMORI KATSUHIRO·Filed 2011·Granted Dec 20, 2016·7 cites·18 claims
- 3376US7323796B2Motor-driven toolHITACHI KOKI KK·Filed 2003·Granted Jan 29, 2008·17 cites·19 claims
- 3474USD520832SPortable electric driverHITACHI KOKI KK·Filed 2005·Granted May 16, 2006·20 cites·1 claims
- 3572US7375447B2Power toolHITACHI KOKI KK·Filed 2005·Granted May 20, 2008·8 cites·15 claims
- 3672US6661148B2Motor-driven toolHITACHI KOKI KK·Filed 2002·Granted Dec 9, 2003·15 cites·16 claims
- 3771US7541773B2Battery-powered tool capable of detecting discharged battery packHITACHI KOKI KK·Filed 2005·Granted Jun 2, 2009·10 cites·13 claims
- 3871US7508109B2Commutator motorHITACHI KOKI KK·Filed 2007·Granted Mar 24, 2009·4 cites·20 claims
- 3962US7832499B2Electric tool with closable air portsHITACHI KOKI KK·Filed 2008·Granted Nov 16, 2010·5 cites·3 claims
- 4061US7064467B2Commutator motorHITACHI KOKI KK·Filed 2003·Granted Jun 20, 2006·7 cites·5 claims
- 4151US2011199756A1Power ToolOOMORI KATSUHIRO·Filed 2011·Application pending·0 cites
- 4250US2013255981A1Power toolHITACHI KOKI KK·Filed 2013·Application pending·0 cites
- 4349US2007013252A1Commutator motorYOKOTA TOMOYOSHI·Filed 2006·Application pending·0 cites
- 4448US2013255982A1Power toolHITACHI KOKI KK·Filed 2013·Application pending·0 cites
- 4546US2014124229A1Impact toolTAKAHASHI SHIGERU·Filed 2012·Application pending·0 cites
- 4646US2014069672A1Power ToolMASHIKO HIRONORI·Filed 2012·Application pending·0 cites
- 4745US2013062086A1Power toolITO YUTAKA·Filed 2011·Application pending·0 cites
- 4845US2013126202A1Screw Tightening ToolOOMORI KATSUHIRO·Filed 2011·Application pending·0 cites
- 4945US2013008679A1Power ToolHITACHI KOKI KK·Filed 2011·Application pending·0 cites
- 5045US2013025892A1Power ToolHITACHI KOKI KK·Filed 2011·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →