Inventor · disambiguated record
Shingo Umezawa
Also filed as: UMEZAWA SHINGO
4 granted patents·3 citations·filing 2009–2013
63Inventor score
Top patents by PatentIndex Score
4 records- 0174US8420849B2Process for producing thiophene compound and intermediate thereofNISSAN CHEMICAL IND LTD·Filed 2012·Granted Apr 16, 2013·1 cites·10 claims
- 0263US8399685B2Process for producing thiophene compound and intermediate thereofYANAGIHARA KAZUFUMI·Filed 2009·Granted Mar 19, 2013·1 cites·10 claims
- 0362US8642786B2Process for producing thiophene compound and intermediate thereofNISSAN CHEMICAL IND LTD·Filed 2013·Granted Feb 4, 2014·0 cites·4 claims
- 0461US8889732B2Fused heterocyclic compounds and thrombopoietin receptor activatorsSHIGETA YUKIHIRO·Filed 2010·Granted Nov 18, 2014·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →