Inventor · disambiguated record
Chi-San Wu
Also filed as: WU CHI-SAN
9 granted patents·125 citations·filing 1991–2003
87Inventor score
Files withISP INVESTMENTS INC9
Top patents by PatentIndex Score
9 records- 0182US5262171APharmaceutical tablet with PVP having enhanced drug dissolution rateISP INVESTMENTS INC·Filed 1991·Granted Nov 16, 1993·57 cites·12 claims
- 0269US6331333B1Storage stabilized oxygen degradable polymerISP INVESTMENTS INC·Filed 1998·Granted Dec 18, 2001·27 cites·15 claims
- 0368US5338814AProcess for making narrow molecular weight distribution polyvinylpyrrolidone K-90 polymersISP INVESTMENTS INC·Filed 1993·Granted Aug 16, 1994·19 cites·2 claims
- 0467US5373074AFree radical solution polymerization of vinylpyrrolidoneISP INVESTMENTS INC·Filed 1993·Granted Dec 13, 1994·19 cites·1 claims
- 0549US6620900B2Proliferous copolymer of vinyl pyrrolidone and vinyl acetateISP INVESTMENTS INC·Filed 2002·Granted Sep 16, 2003·1 cites·8 claims
- 0647US6806334B2Proliferous copolymer of vinyl pyrrolidone and vinyl acetateISP INVESTMENTS INC·Filed 2003·Granted Oct 19, 2004·1 cites·5 claims
- 0735US6418702B2Storage stabilized oxygen degradable polymerISP INVESTMENTS INC·Filed 2001·Granted Jul 16, 2002·0 cites·7 claims
- 0829US5739183AColorless, non-toxic, stabilized aqueous solution of a C1 -C5 alkyl vinyl ether and maleic acid copolymerISP INVESTMENTS INC·Filed 1995·Granted Apr 14, 1998·1 cites·4 claims
- 0927US5621136AColorless, non-toxic, stabilized aqueous solution of a C1-C5 alkyl vinyl ether and maleic acid copolymerISP INVESTMENTS INC·Filed 1995·Granted Apr 15, 1997·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →