Inventor · disambiguated record
Yasumasa Hamada
Also filed as: HAMADA YASUMASA
4 granted patents·6 citations·filing 1990–2006
64Inventor score
Top patents by PatentIndex Score
4 records- 0163US7589221B2Process for producing (2R)-2-propyloctanoic acid and intermediate thereforONO PHARMACEUTICAL CO·Filed 2004·Granted Sep 15, 2009·2 cites·3 claims
- 0245US7799941B2Process for producing optically active β-hydroxy-α-aminocarboxylic acid derivativeNISSAN CHEMICAL IND LTD·Filed 2004·Granted Sep 21, 2010·2 cites·12 claims
- 0337US7781609B2Process for producing optically active β-hydroxy-α-aminocarboxylic acid derivativeNISSAN CHEMICAL IND LTD·Filed 2006·Granted Aug 24, 2010·0 cites·13 claims
- 0425US5158970AProline derivativesYAKULT HONSHA KK·Filed 1990·Granted Oct 27, 1992·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →