Inventor · disambiguated record
Cheng-Hsien Tsai
Also filed as: TSAI CHENG-HSIEN
24 granted patents·2 pending applications·436 citations·filing 1989–2021
96Inventor score
Files withTSAI CHENG-HSIEN12SILICON INTEGRATED SYS CORP2CHIANG TSUNG JU1POLLUX TECH INC1SINOTECH ENG CONSULTANTS INC1
Top patents by PatentIndex Score
26 records- 0196USD317968SSpraying wandTSAI CHENG-HSIEN·Filed 1989·Granted Jul 2, 1991·53 cites·1 claims
- 0290USD355529SCombined brush ice scraper, squeegee, and fluid dispenserTSAI CHENG-HSIEN·Filed 1991·Granted Feb 21, 1995·37 cites·1 claims
- 0378USD358195SSprinkling gunTSAI CHENG-HSIEN·Filed 1994·Granted May 9, 1995·19 cites·1 claims
- 0476US8808891B2Portable electronic device with battery cover and latchCHIANG TSUNG-JU·Filed 2010·Granted Aug 19, 2014·2 cites·7 claims
- 0576USD331317SContainer for car cleaning equipmentTSAI CHENG-HSIEN·Filed 1990·Granted Dec 1, 1992·18 cites·1 claims
- 0673US5634538AWheel assembly mounting structure for trunksFiled 1995·Granted Jun 3, 1997·48 cites·3 claims
- 0772US5524920ABase frame assembly for suitcase trucksFiled 1995·Granted Jun 11, 1996·48 cites·3 claims
- 0871USD336945SWater flow controllerTSAI CHENG-HSIEN·Filed 1990·Granted Jun 29, 1993·15 cites·1 claims
- 0971USD335738SBarrow for use in going shopping and loading luggageTSAI CHENG-HSIEN·Filed 1991·Granted May 18, 1993·15 cites·1 claims
- 1064US5927451ATop hood structure for trunk/briefcase with a telescopic lever unitFiled 1997·Granted Jul 27, 1999·35 cites·5 claims
- 1163USD376238SLuggage cartTSAI CHENG-HSIEN·Filed 1995·Granted Dec 3, 1996·12 cites·1 claims
- 1261US5825219AFast edge rate signal driverSILICON INTEGRATED SYS CORP·Filed 1997·Granted Oct 20, 1998·17 cites·18 claims
- 1356USD320879SLuggage cart or the likeTSAI CHENG-HSIEN·Filed 1989·Granted Oct 15, 1991·7 cites·1 claims
- 1452US9802839B2Method of producing polyaniline zirconia nanocomposite and uses thereofUNIV CHUNG YUAN CHRISTIAN·Filed 2015·Granted Oct 31, 2017·0 cites·8 claims
- 1551US5752415ARetracting handle barFiled 1996·Granted May 19, 1998·20 cites·4 claims
- 1650US5613273ARetractable handle assembly of a suitcase truckFiled 1995·Granted Mar 25, 1997·22 cites·7 claims
- 1750USD374816SCaster seat of a cartTSAI CHENG-HSIEN·Filed 1995·Granted Oct 22, 1996·7 cites·1 claims
- 1848US5566798ATrunk with a concealable retractable handleFiled 1995·Granted Oct 22, 1996·19 cites·6 claims
- 1947US12000943B2Communication device for estimating azimuth angle, estimating method for communication device, and communication device for estimating position by calculating emission anglePOLLUX TECH INC·Filed 2021·Granted Jun 4, 2024·0 cites·20 claims
- 2047USD356413SLuggage cartTSAI CHENG-HSIEN·Filed 1994·Granted Mar 14, 1995·5 cites·1 claims
- 2144US5626351ACollapsible hand cartFiled 1995·Granted May 6, 1997·19 cites·4 claims
- 2243US11567000B2Method of infrared spectrometric measurement of tunnel gasSINOTECH ENG CONSULTANTS INC·Filed 2020·Granted Jan 31, 2023·0 cites·7 claims
- 2342US5403023ALuggage truckFiled 1994·Granted Apr 4, 1995·16 cites·7 claims
- 2442US2011143313A1Dental implant deviceTSAI CHENG-HSIEN·Filed 2010·Application pending·0 cites
- 2539US2006242341A1Control system with two hostsSILICON INTEGRATED SYS CORP·Filed 2005·Application pending·0 cites
- 2636USD365902SCartTSAI CHENG-HSIEN·Filed 1995·Granted Jan 2, 1996·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →