Inventor · disambiguated record
Masahiro Okajima
Also filed as: OKAJIMA MASAHIRO
10 granted patents·3 pending applications·470 citations·filing 1990–2017
91Inventor score
Top patents by PatentIndex Score
13 records- 0198US6024064AHigh pressure fuel injection system for internal combustion engineDENSO CORP·Filed 1997·Granted Feb 15, 2000·199 cites·16 claims
- 0293US5603303AHigh pressure fuel supply pumpNIPPON DENSO CO·Filed 1995·Granted Feb 18, 1997·83 cites·16 claims
- 0393US5163621AFuel injection valve having different fuel injection angles at different opening amountsNIPPON DENSO CO·Filed 1990·Granted Nov 17, 1992·96 cites·17 claims
- 0480US5664545AFuel injection apparatusNIPPON DENSO CO·Filed 1995·Granted Sep 9, 1997·38 cites·11 claims
- 0575US6830036B2Fuel supply apparatus having resilient injector-pressing memberDENSO CORP·Filed 2003·Granted Dec 14, 2004·16 cites·27 claims
- 0671US6412713B2Fuel injection apparatusDENSO CORP·Filed 2000·Granted Jul 2, 2002·14 cites·18 claims
- 0759US7763214B2Reducing agent forming device and exhaust gas control system using the sameDENSO CORP·Filed 2006·Granted Jul 27, 2010·2 cites·17 claims
- 0853US6021759AFuel supply apparatusDENSO CORP·Filed 1998·Granted Feb 8, 2000·14 cites·9 claims
- 0948US2005143476A1Emulsion compositeFiled 2004·Application pending·0 cites
- 1043US7708954B2Nitrogen oxides purification deviceDENSO CORP·Filed 2006·Granted May 4, 2010·0 cites·4 claims
- 1142US2019017504A1Screw pumpDENSO CORP·Filed 2017·Application pending·0 cites
- 1241US2018216614A1Screw pumpDENSO CORP·Filed 2016·Application pending·0 cites
- 1340US5624072AFuel injection pump having reduced reflux pulsation effectsNIPPON DENSO CO·Filed 1995·Granted Apr 29, 1997·8 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Masahiro Okajima 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 →