Inventor · disambiguated record
Osamu Nagai
Also filed as: NAGAI OSAMU
21 granted patents·8 pending applications·460 citations·filing 1993–2022
95Inventor score
Top patents by PatentIndex Score
29 records- 0195US7462094B2Wafer grinding methodDISCO CORP·Filed 2007·Granted Dec 9, 2008·25 cites·2 claims
- 0295US5480011AHydraulic damperSHOWA CORP·Filed 1993·Granted Jan 2, 1996·103 cites·10 claims
- 0392US7063911B1Gasket for fuel cell and method of forming itNOK CORP·Filed 2000·Granted Jun 20, 2006·52 cites·7 claims
- 0491US6720103B1Fuel cellNOK CORP·Filed 2000·Granted Apr 13, 2004·49 cites·9 claims
- 0590US7758402B2Wafer grinding methodDISCO CORP·Filed 2007·Granted Jul 20, 2010·16 cites·1 claims
- 0690US6649097B2Method of making a gasket for layer-built fuel cellsNOK CORP·Filed 2001·Granted Nov 18, 2003·57 cites·4 claims
- 0788US6337120B1Gasket for layer-built fuel cells and method for making the sameNOK CORP·Filed 1999·Granted Jan 8, 2002·83 cites·10 claims
- 0883US5597054AHydraulic damperSHOWA CORP·Filed 1995·Granted Jan 28, 1997·43 cites·6 claims
- 0981US10221018B2Screw conveyorFUJI CORP·Filed 2015·Granted Mar 5, 2019·2 cites·4 claims
- 1073US8820494B2Hydraulic shock absorbing apparatus of vehicleNAGAI OSAMU·Filed 2010·Granted Sep 2, 2014·5 cites·4 claims
- 1173US6659242B2Hydraulic shock absorber for vehicleSHOWA CORP·Filed 2002·Granted Dec 9, 2003·16 cites·3 claims
- 1269US10099334B2Machining systemFUJI CORP·Filed 2013·Granted Oct 16, 2018·2 cites·13 claims
- 1366US10232482B2Work seating detection device and adjustment method for sameFUJI CORP·Filed 2013·Granted Mar 19, 2019·2 cites·8 claims
- 1466US9061357B2High precision chuck with centering functionOGAWA GEN·Filed 2010·Granted Jun 23, 2015·4 cites·12 claims
- 1563US9815121B2Machining headFUJI MACHINE MFG·Filed 2013·Granted Nov 14, 2017·1 cites·6 claims
- 1656US2024278328A1Forward-facing two-spindle latheFUJI CORP·Filed 2021·Application pending·0 cites
- 1753US2024226772A1Oil-water separation deviceFUJI CORP·Filed 2021·Application pending·0 cites
- 1852US10450784B2Vertically sliding manual opening and closing doorFUJI CORP·Filed 2014·Granted Oct 22, 2019·0 cites·7 claims
- 1952US2022274222A1Grinding apparatusDISCO CORP·Filed 2022·Application pending·0 cites
- 2050US2009107785A1Hydraulic shock absorberSHOWA CORP·Filed 2008·Application pending·0 cites
- 2146US10434616B2Machining systemFUJI CORP·Filed 2015·Granted Oct 8, 2019·0 cites·5 claims
- 2243US9522429B2Workpiece machining apparatusFUJI MACHINE MFG·Filed 2012·Granted Dec 20, 2016·0 cites·2 claims
- 2341US2005127587A1Hydraulic shock absorbing apparatus of vehicleFiled 2003·Application pending·0 cites
- 2439US10279445B2Conveyance jig for separate type control panelFUJI CORP·Filed 2015·Granted May 7, 2019·0 cites·3 claims
- 2539US8641022B2Front forkNAGAI OSAMU·Filed 2012·Granted Feb 4, 2014·0 cites·18 claims
- 2639US2009209110A1Spin etching method for semiconductor waferDISCO CORP·Filed 2009·Application pending·0 cites
- 2738US10888969B2Machining systemFUJI CORP·Filed 2013·Granted Jan 12, 2021·0 cites·14 claims
- 2836US2011024957A1Vehicle height adjusting apparatusSHOWA CORP·Filed 2010·Application pending·0 cites
- 2935US2011227301A1Vehicle Height Adjusting ApparatusSHOWA CORP·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →