Inventor · disambiguated record
Ching-Chuan Chao
Also filed as: CHAO CHING-CHUAN
12 granted patents·2 pending applications·267 citations·filing 1998–2003
92Inventor score
Top patents by PatentIndex Score
14 records- 0193US6727439B2Pressure sensitive penAIPTEK INT INC·Filed 2002·Granted Apr 27, 2004·49 cites·10 claims
- 0280US7176907B2Device and method for pointer system of digitizer tabletWALTOP INT CORP·Filed 2002·Granted Feb 13, 2007·31 cites·24 claims
- 0380US6180894B1Dual mode digitizer tablet systemAIPTEK INT INC·Filed 1998·Granted Jan 30, 2001·94 cites·7 claims
- 0475US6787715B2N-shaped antenna loops of digitizer tablet for reducing antenna switches and the method for locating the cordless penAIPTEK INT INC·Filed 2001·Granted Sep 7, 2004·22 cites·19 claims
- 0573US6999067B2Electromagnetic induction pen-like device with writing functionAIPTEK INT INC·Filed 2002·Granted Feb 14, 2006·20 cites·23 claims
- 0667US6909426B2Tablet system with inductive loops and cord less-battery less pointer apparatus controlled by multi-channel switches set and method for transmitting and receiving its signalAIPTEK INTERNATIONAL INC·Filed 2003·Granted Jun 21, 2005·15 cites·15 claims
- 0754US6930670B2Computer peripheral input system with two input types and method of data communication for the sameAIPTEK INT INC·Filed 2001·Granted Aug 16, 2005·4 cites·5 claims
- 0854US6849810B2Antenna loop structureAIPTEK INT INC·Filed 2001·Granted Feb 1, 2005·4 cites·7 claims
- 0951US6882339B2Electromagnetic induction system with single-induction-loop multi-induction-loopAIPTEK INT INC·Filed 2003·Granted Apr 19, 2005·5 cites·20 claims
- 1045US6606068B1Layout for multi-antenna loops of the electromagnetic-induction systemAIPTEK INT INC·Filed 2002·Granted Aug 12, 2003·6 cites·35 claims
- 1144US6184864B1Digitizer tablet apparatus with edge area as a macro cellAIPTEK INT INC·Filed 1998·Granted Feb 6, 2001·17 cites·5 claims
- 1242US7358964B2Electromagnetic inductive system with multi-induction loop layout and battery less pointer device and its method for locating the coordinateWALTOP INT CORP·Filed 2002·Granted Apr 15, 2008·0 cites·14 claims
- 1340US2003188899A1Prepositive electro-magnetic tablet with transparent antennaFiled 2002·Application pending·0 cites
- 1439US2003010544A1Low EMI digitizer tabletFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →