Inventor · disambiguated record
Kouji Nagai
Also filed as: NAGAI KOUJI
7 granted patents·5 pending applications·62 citations·filing 1987–2019
84Inventor score
Top patents by PatentIndex Score
12 records- 0191US9261109B2Turbine housing and exhaust gas turbine superchargerMAEDA OSAMU·Filed 2011·Granted Feb 16, 2016·13 cites·11 claims
- 0275US9719374B2Turbine housing and exhaust gas turbine superchargerMAEDA OSAMU·Filed 2011·Granted Aug 1, 2017·5 cites·15 claims
- 0368US4776768ARadial plunger pump driven by a motor having seal members for protecting the motor from exposure to working fluidNIPPON DENSO CO·Filed 1987·Granted Oct 11, 1988·15 cites·15 claims
- 0463US6884538B2Fuel cell separator and method for manufacturing the sameNICHIAS CORP·Filed 2002·Granted Apr 26, 2005·10 cites·8 claims
- 0559US7381493B2Separator for fuel cell and process for producing the sameNICHIAS CORP·Filed 2004·Granted Jun 3, 2008·5 cites·5 claims
- 0649US5375473ASemiconductor type differential pressure measurement apparatus and method for manufacturing the sameYOKOGAWA ELECTRIC CORP·Filed 1993·Granted Dec 27, 1994·14 cites·7 claims
- 0745US2006210860A1Separator for fuel cellNICHIAS CORP·Filed 2006·Application pending·0 cites
- 0842US2006183013A1Fuel cell separatorNICHIAS CORP·Filed 2006·Application pending·0 cites
- 0942US2005118483A1Separator for fuel cellNICHIAS CORP·Filed 2004·Application pending·0 cites
- 1038US2008156138A1Steering apparatusNSK LTD·Filed 2007·Application pending·0 cites
- 1135US10934882B2TurbochargerTOYOTA MOTOR CO LTD·Filed 2019·Granted Mar 2, 2021·0 cites·2 claims
- 1235US2002177030A1Fuel cell separator and method for manufacturing the sameFiled 2002·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Kouji Nagai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →