Inventor · disambiguated record
Alfonso Liu
Also filed as: LIU ALFONSO
3 granted patents·170 citations·filing 1993–1998
77Inventor score
Files withWHATMAN INC3
Top patents by PatentIndex Score
3 records- 0189US5368729ASolid phase extraction deviceWHATMAN INC·Filed 1993·Granted Nov 29, 1994·99 cites·4 claims
- 0277US5849249ASolid phase extraction apparatus for enhanced recovery and precisionWHATMAN INC·Filed 1997·Granted Dec 15, 1998·54 cites·6 claims
- 0357US6124012ASolid phase extraction disk and apparatus for enhanced recovery and precisionWHATMAN INC·Filed 1998·Granted Sep 26, 2000·17 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →