Inventor · disambiguated record
Tsung-Kai Cheng
Also filed as: CHENG TSUNG-KAI
20 granted patents·2 pending applications·268 citations·filing 1990–2025
95Inventor score
Technology areasG06F
Top patents by PatentIndex Score
22 records- 0191USD416581SStationery cardCHENG TSUNG KAI·Filed 1999·Granted Nov 16, 1999·46 cites·1 claims
- 0290USD517390STool cardCHENG TSUNG-KAI·Filed 2004·Granted Mar 21, 2006·42 cites·1 claims
- 0390USD336415SCombination toolCHENG TSUNG-KAI·Filed 1990·Granted Jun 15, 1993·40 cites·1 claims
- 0486USD549069SHand toolLIN HENRY·Filed 2005·Granted Aug 21, 2007·37 cites·1 claims
- 0582USD498401SVehicular survival toolFiled 2003·Granted Nov 16, 2004·28 cites·1 claims
- 0676USD577562SVehicular survival toolLIN HENRY·Filed 2008·Granted Sep 30, 2008·22 cites·1 claims
- 0765USD1064033SCamera with mountAMAZON TECH INC·Filed 2024·Granted Feb 25, 2025·2 cites·1 claims
- 0859USD516021SPortable battery chargerTATUNG CO LTD·Filed 2003·Granted Feb 28, 2006·11 cites·1 claims
- 0958USD1084092SCamera mountAMAZON TECH INC·Filed 2025·Granted Jul 15, 2025·0 cites·1 claims
- 1050USD516153SGolf-tool setCHENG TSUNG-KAI·Filed 2004·Granted Feb 28, 2006·7 cites·1 claims
- 1150USD467990SFishing gearFiled 2002·Granted Dec 31, 2002·7 cites·1 claims
- 1247USD506940SMultifunctional tapelineFiled 2004·Granted Jul 5, 2005·6 cites·1 claims
- 1343USD538623SVehicular survival toolLIN HENRY·Filed 2005·Granted Mar 20, 2007·5 cites·1 claims
- 1443US2004136149A1Portable computer having a hidden keyboard structureTATUNG CO LTD·Filed 2003·Application pending·0 cites
- 1541USD476219SRetraction reelFiled 2002·Granted Jun 24, 2003·4 cites·1 claims
- 1641US2006007645A1Foldable computer coverTATUNG CO LTD·Filed 2005·Application pending·0 cites
- 1739USD1102928SVideo doorbellAMAZON TECH INC·Filed 2024·Granted Nov 25, 2025·0 cites·1 claims
- 1839USD472167SToolCardCHENG TSUNG-KAI·Filed 2002·Granted Mar 25, 2003·3 cites·1 claims
- 1938USD573221SGolf toolLIN HENRY·Filed 2007·Granted Jul 15, 2008·3 cites·1 claims
- 2037USD580284SMeasuring tape with lamp and toolkitLIN HENRY·Filed 2007·Granted Nov 11, 2008·3 cites·1 claims
- 2135USD535096SFishing gearLIN HENRY·Filed 2005·Granted Jan 16, 2007·2 cites·1 claims
- 2229USD596968SMulti-function measuring tapeLIN HENRY·Filed 2008·Granted Jul 28, 2009·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →