Inventor · disambiguated record
Itsuko Hamaguchi
Also filed as: HAMAGUCHI ITSUKO
3 granted patents·23 citations·filing 2001–2007
65Inventor score
Top patents by PatentIndex Score
3 records- 0173US6486281B1Process for preparing high-purity vinylpyrrolidone polymerDAI ICHI KOGYO SEIYAKU CO LTD·Filed 2001·Granted Nov 26, 2002·14 cites·8 claims
- 0266US6465592B1Process for preparing vinylpyrrolidone polymerDAI ICHI KOGYO SEIYAKU CO LTD·Filed 2001·Granted Oct 15, 2002·9 cites·13 claims
- 0348US7700674B2Vinylpyrrolidone-based polymer compositionNIPPON CATALYTIC CHEM IND·Filed 2007·Granted Apr 20, 2010·0 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →