Inventor · disambiguated record
James Tsai
Also filed as: TSAI JAMES · TSAI JAMES T · TSAI JAMES TARNG
48 granted patents·8 pending applications·1,408 citations·filing 1974–2023
99Inventor score
Top patents by PatentIndex Score
56 records- 0196USD587684SCommunications headsetPLANTRONICS·Filed 2008·Granted Mar 3, 2009·82 cites·1 claims
- 0295USD602908SMicrophone boom for a communications headsetPLANTRONICS·Filed 2008·Granted Oct 27, 2009·69 cites·1 claims
- 0394US4822160AFlashing spectaclesTSAI JAMES·Filed 1988·Granted Apr 18, 1989·159 cites·1 claims
- 0493US9408449B1Stepless retractable handle assembly for luggageHOKEI CORP·Filed 2015·Granted Aug 9, 2016·37 cites·9 claims
- 0593USD587683SCommunications headsetPLANTRONICS·Filed 2008·Granted Mar 3, 2009·53 cites·1 claims
- 0693US6357080B1Multi-sections retractable handleFiled 2000·Granted Mar 19, 2002·71 cites·9 claims
- 0792US6357567B1LuggageFiled 2000·Granted Mar 19, 2002·59 cites·9 claims
- 0891US5395558AMethod of making a soft ophthalmic lensJOHNSON & JOHNSON VISION PROD·Filed 1992·Granted Mar 7, 1995·64 cites·2 claims
- 0989US6425599B1Collapsible trolleyFiled 2000·Granted Jul 30, 2002·48 cites·15 claims
- 1087US4878038ACircuit protection deviceTSAI JAMES T·Filed 1987·Granted Oct 31, 1989·36 cites·21 claims
- 1183US4388261AMethod for forming a compartmented puncture sealant package by co-extrusionGEN TIRE & RUBBER CO·Filed 1981·Granted Jun 14, 1983·40 cites·7 claims
- 1282USD370406SSafety hookTSAI JAMES·Filed 1994·Granted Jun 4, 1996·23 cites·1 claims
- 1380US6923466B2Collapsible handcart capable of extending the area of carrier by operating handleFiled 2002·Granted Aug 2, 2005·32 cites·19 claims
- 1479US6536078B2Retractable handle for a caseFiled 2001·Granted Mar 25, 2003·28 cites·19 claims
- 1579US5238388AOphthalmic lens mold sealJOHNSON & JOHNSON VISION PROD·Filed 1991·Granted Aug 24, 1993·39 cites·4 claims
- 1679US4329052AMethod and apparatus for the measurement of cell size in a foam structureMOBIL OIL CORP·Filed 1979·Granted May 11, 1982·28 cites·2 claims
- 1776US5806143AThree-segmented expandable pull rod of luggageFiled 1997·Granted Sep 15, 1998·54 cites·8 claims
- 1876US5692266AConcealable and expandable handleFiled 1996·Granted Dec 2, 1997·55 cites·5 claims
- 1975US7250878B2Decoding device with multi-buffers and decoding method thereofVIA TECH INC·Filed 2006·Granted Jul 31, 2007·8 cites·18 claims
- 2072US6866290B2Apparatus of a collapsible handcart for turning a platform when operating a retractable handleFiled 2002·Granted Mar 15, 2005·12 cites·14 claims
- 2172USD365187SHand truckTSAI JAMES·Filed 1994·Granted Dec 12, 1995·15 cites·1 claims
- 2271US4598165AConformable electromagnetic shieldTSAI JAMES T·Filed 1985·Granted Jul 1, 1986·30 cites·10 claims
- 2370US6505720B1Wheeled luggageFiled 2001·Granted Jan 14, 2003·16 cites·15 claims
- 2470US5517735ASafety rope hookFiled 1994·Granted May 21, 1996·35 cites·4 claims
- 2569US5884362AExpandable handle of luggageFiled 1997·Granted Mar 23, 1999·42 cites·6 claims
- 2668US6405842B1Extendable aid standing for a luggageFiled 2001·Granted Jun 18, 2002·14 cites·11 claims
- 2767US6898823B2Single-tube retractable handle assemblyFiled 2003·Granted May 31, 2005·18 cites·15 claims
- 2865US6499575B1Wheeled luggageFiled 2001·Granted Dec 31, 2002·20 cites·10 claims
- 2964USD479761SHandcartFiled 2002·Granted Sep 16, 2003·13 cites·1 claims
- 3063USD448907SCollapsible trolleyFiled 2000·Granted Oct 2, 2001·13 cites·1 claims
- 3162USD480194SCollapsible handcartFiled 2002·Granted Sep 30, 2003·12 cites·1 claims
- 3262US6439596B1Collapsible handcartFiled 2001·Granted Aug 27, 2002·14 cites·11 claims
- 3358US5464244ARetractable handle for hand trucks or the likeFiled 1994·Granted Nov 7, 1995·30 cites·1 claims
- 3456USD1053184SInformation handling systemDELL PRODUCTS LP·Filed 2023·Granted Dec 3, 2024·2 cites·1 claims
- 3555US12377338B2Modular metrics bar for an exercise machineNAUTILUS INC·Filed 2022·Granted Aug 5, 2025·0 cites·20 claims
- 3654US3953739AMethod and apparatus for the continuous monitoring and control of cell size in a foam structureMOBIL OIL CORP·Filed 1974·Granted Apr 27, 1976·13 cites·2 claims
- 3754US2008149046A1Foot and Knee Protectors for an AnimalTSAI JAMES·Filed 2006·Application pending·0 cites
- 3852US11389801B2Cell storage tubeUNICOCELL BIOMED CO LTD·Filed 2020·Granted Jul 19, 2022·0 cites·13 claims
- 3952US2005067245A1Lock device of retractable handle of luggageFiled 2003·Application pending·0 cites
- 4050US5911256ABrush having a bristled head capable of being powered by water to swivelFiled 1998·Granted Jun 15, 1999·23 cites·9 claims
- 4150US5909760AStepless expandable rodFiled 1998·Granted Jun 8, 1999·22 cites·3 claims
- 4250US2005125480A1Method and apparatus for multiplying based on booth's algorithmVIA TECH INC·Filed 2004·Application pending·0 cites
- 4348US2024155272A1Multifunction AccessoryTSAI JAMES·Filed 2022·Application pending·0 cites
- 4447US6167592B1Handle having a coveringFiled 1999·Granted Jan 2, 2001·18 cites·13 claims
- 4545US5515576ARetractable handle for luggage or hand trucksFiled 1994·Granted May 14, 1996·19 cites·4 claims
- 4645US4137754AMelt rheometer for the measurement of flow properties of foamable plastics and polymer compositionsMOBIL OIL CORP·Filed 1977·Granted Feb 6, 1979·8 cites·2 claims
- 4745US2004108667A1Platform of a handcartFiled 2002·Application pending·0 cites
- 4844US2005036397A1Detecting device and method for determining type and insertion of flash memory cardVIA TECH INC·Filed 2004·Application pending·0 cites
- 4944US2004205823A1Residential security systemCHIC TECHNOLOGY CORP·Filed 2003·Application pending·0 cites
- 5044US2004205824A1Web home security systemCHIC TECHNOLOGY CORP·Filed 2003·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
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