Inventor · disambiguated record
Douglas Lau
Also filed as: LAU DOUGLAS · LAU DOUGLAS D
4 granted patents·206 citations·filing 1986–1999
78Inventor score
Files withTATUNG TELECOM CORP4
Top patents by PatentIndex Score
4 records- 0182US5918181AMethod and apparatus for tracking location of wireless terminals in a nanocellular digital cordless terminal network coupled to a local exchangeTATUNG TELECOM CORP·Filed 1996·Granted Jun 29, 1999·150 cites·18 claims
- 0258US5511090AWireless frequency-division-multiple-access direct sequence spread spectrum telephone systemTATUNG TELECOM CORP·Filed 1994·Granted Apr 23, 1996·38 cites·18 claims
- 0349US4782937AEscrow device for coin-operated systemsTATUNG TELECOM CORP·Filed 1986·Granted Nov 8, 1988·18 cites·14 claims
- 0426USD434745SPay telephoneTATUNG TELECOM CORP·Filed 1999·Granted Dec 5, 2000·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →