Inventor · disambiguated record
Cheng-Chung Liu
Also filed as: LIU CHENG-CHUNG
8 granted patents·2 pending applications·470 citations·filing 1989–2012
88Inventor score
Top patents by PatentIndex Score
10 records- 0194US5155837AMethods and apparatus for software retrofittingBELL COMMUNICATIONS RES·Filed 1989·Granted Oct 13, 1992·283 cites·10 claims
- 0283US5537467AMethod for forwarding a call to a temporarily utilized portable telephoneBELL COMMUNICATIONS RES·Filed 1994·Granted Jul 16, 1996·134 cites·3 claims
- 0379US7748758B2Cylinder lock having improved torsional strengthTONG LUNG METAL IND CO LTD·Filed 2007·Granted Jul 6, 2010·17 cites·18 claims
- 0477US8316676B2Re-keyable cylinder lockCHIANG WEI-LIANG·Filed 2009·Granted Nov 27, 2012·15 cites·23 claims
- 0570US8087273B2Lock with a support structureLIU CHENG-CHUNG·Filed 2009·Granted Jan 3, 2012·6 cites·9 claims
- 0666US8182005B2Cylinder lock with reinforcements to improve structural strengthLIU CHENG-CHUNG·Filed 2008·Granted May 22, 2012·10 cites·8 claims
- 0764US8182006B2Cylinder lock having a reinforcement structure coupled to an outer rose discLIU CHENG-CHUNG·Filed 2009·Granted May 22, 2012·4 cites·16 claims
- 0853US2007284064A1Slat Base for Window BlindsLIU CHENG-CHUNG·Filed 2006·Application pending·0 cites
- 0951US8881562B2Mortise lockHUANG TSUNG-CHUNG·Filed 2012·Granted Nov 11, 2014·1 cites·14 claims
- 1048US2008121002A1Deadbolt lock device with a reinforced housingSUN CHIA-MIN·Filed 2007·Application pending·0 cites
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