Inventor · disambiguated record
Hajime Oguma
Also filed as: OGUMA HAJIME
4 granted patents·20 citations·filing 2001–2003
71Inventor score
Files withNISSAN MOTOR4
Top patents by PatentIndex Score
4 records- 0153US6494037B2Engine exhaust purification deviceNISSAN MOTOR·Filed 2001·Granted Dec 17, 2002·9 cites·6 claims
- 0249US6637195B2Apparatus and method for engine exhaust purificationNISSAN MOTOR·Filed 2002·Granted Oct 28, 2003·7 cites·16 claims
- 0344US6568176B2Engine exhaust purification deviceNISSAN MOTOR·Filed 2001·Granted May 27, 2003·2 cites·11 claims
- 0432US6845609B2Apparatus and a method for exhaust gas purification in an internal combustion engineNISSAN MOTOR·Filed 2003·Granted Jan 25, 2005·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →