Inventor · disambiguated record
Masaji Hirota
Also filed as: HIROTA MASAJI
10 granted patents·3 pending applications·13 citations·filing 2003–2016
81Inventor score
Top patents by PatentIndex Score
13 records- 0165US8299288B2Method for producing α-hydroxyester compoundISHIDA HAJIME·Filed 2009·Granted Oct 30, 2012·1 cites·8 claims
- 0265US7074947B2Process for producing epoxide compoundSUMITOMO CHEMICAL CO·Filed 2003·Granted Jul 11, 2006·7 cites·5 claims
- 0364US8309752B2Process for production of mandelonitrile compoundISHIDA HAJIME·Filed 2009·Granted Nov 13, 2012·1 cites·5 claims
- 0460US8338625B2Process for production of benzaldehyde compoundONOGAWA YOSHIO·Filed 2009·Granted Dec 25, 2012·2 cites·16 claims
- 0560US7491845B2Process for producing adipic acidSUMITOMO CHEMICAL CO·Filed 2004·Granted Feb 17, 2009·2 cites·4 claims
- 0649US10457632B2Production method for isocyanate compoundSUMITOMO CHEMICAL CO·Filed 2016·Granted Oct 29, 2019·0 cites·5 claims
- 0745US10053419B2Isocyanate compound manufacturing methodSUMITOMO CHEMICAL CO·Filed 2015·Granted Aug 21, 2018·0 cites·5 claims
- 0845US2007078273A1Process for preparing 5-methyl-2-furfuralSUMITOMO CHEMICAL CO·Filed 2006·Application pending·0 cites
- 0942US7880038B2Metal catalyst and its useSUMITOMO CHEMICAL CO·Filed 2004·Granted Feb 1, 2011·0 cites·3 claims
- 1037US8937200B2Method for producing 2-(aryloxymethyl) benzaldehyde compoundHIROTA MASAJI·Filed 2012·Granted Jan 20, 2015·0 cites·3 claims
- 1130US2012101294A1Process for producing (fluoroalkylthio) acetic acid esterHIROTA MASAJI·Filed 2010·Application pending·0 cites
- 1228US8624062B2Method for producing phenylacetamide compoundISHIDA HAJIME·Filed 2010·Granted Jan 7, 2014·0 cites·13 claims
- 1326US2012310003A1Method for producing cyanoalkenylcyclopropanecarboxylic acid saltKOMOTO ICHIRO·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →