Inventor · disambiguated record
Hisashi Akagawa
Also filed as: AKAGAWA HISASHI
6 granted patents·2 pending applications·105 citations·filing 2004–2010
83Inventor score
Top patents by PatentIndex Score
8 records- 0188US7614213B2Engine exhaust emission purification apparatusNISSAN DIESEL MOTOR CO·Filed 2004·Granted Nov 10, 2009·34 cites·6 claims
- 0288US7614218B2Exhaust emission purifying apparatus for and exhaust emission purifying method of internal combustion engineNISSAN DIESEL MOTOR CO·Filed 2006·Granted Nov 10, 2009·18 cites·7 claims
- 0386US7849674B2Exhaust emission purifying apparatus for engineNISSAN DIESEL MOTOR CO·Filed 2004·Granted Dec 14, 2010·42 cites·18 claims
- 0479US8011176B2Exhaust emission purifying apparatus for internal combustion engineNISSAN DIESEL MOTOR CO·Filed 2006·Granted Sep 6, 2011·8 cites·3 claims
- 0566US8578703B2Exhaust emission purifying apparatus for internal combustion engineHIRATA KIMINOBU·Filed 2010·Granted Nov 12, 2013·2 cites·3 claims
- 0656US8209958B2Engine exhaust emission purification apparatusHIRATA KIMINOBU·Filed 2009·Granted Jul 3, 2012·1 cites·4 claims
- 0754US2009293460A1Engine exhaust emission purification apparatusNISSAN DIESEL MOTOR CO·Filed 2009·Application pending·0 cites
- 0840US2006248880A1Exhaust gas purification apparatus for engineHIRATA KIMINOBU·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →