Inventor · disambiguated record
Alexander F. Liu
Also filed as: LIU ALEXANDER F
3 granted patents·310 citations·filing 1974–1997
77Inventor score
Top patents by PatentIndex Score
3 records- 0196US3938091APersonal verification systemATALLA TECHNOVATIONS·Filed 1974·Granted Feb 10, 1976·273 cites·7 claims
- 0258US5738756AMethod and apparatus for detecting optimal endpoints in plasma etch processesLAM RES CORP·Filed 1995·Granted Apr 14, 1998·24 cites·26 claims
- 0346US6190927B1Method and apparatus for detecting optimal endpoints in plasma etch processesLAM RES CORP·Filed 1997·Granted Feb 20, 2001·13 cites·35 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →