Inventor · disambiguated record
Chih S. Chan
Also filed as: CHAN CHIH · CHAN CHIH S · CHAN CHIH-SHENG
5 granted patents·636 citations·filing 1995–2005
86Inventor score
Top patents by PatentIndex Score
5 records- 0193US6035406APlurality-factor security systemQUINTET INC·Filed 1997·Granted Mar 7, 2000·323 cites·9 claims
- 0289US7264381B2Light emitting diode assembly using alternating current as the power sourceLUSTROUS TECHNOLOGY LTD·Filed 2005·Granted Sep 4, 2007·23 cites·19 claims
- 0379US5956409ASecure application of sealsQUINTET INC·Filed 1996·Granted Sep 21, 1999·72 cites·11 claims
- 0468US5680470AMethod of automated signature verificationFiled 1995·Granted Oct 21, 1997·159 cites·32 claims
- 0560US5987153AAutomated verification and prevention of spoofing for biometric dataQUINTET INC·Filed 1996·Granted Nov 16, 1999·59 cites·24 claims
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