Inventor · disambiguated record
Yun-Ching Ma
Also filed as: MA YUN C · MA YUN-CHING
12 granted patents·12 pending applications·199 citations·filing 1999–2006
92Inventor score
Top patents by PatentIndex Score
24 records- 0193US6809626B2Over-current protection devicePOLYTRONICS TECHNOLOGY CORP·Filed 2003·Granted Oct 26, 2004·30 cites·11 claims
- 0292US6794980B2Over-current protection apparatus and method for making the samePOLYTRONICS TECHNOLOGY CORP·Filed 2002·Granted Sep 21, 2004·29 cites·6 claims
- 0390US7203049B2Over-current protection devicePOLYTRONICS TECHNOLOGY CORP·Filed 2004·Granted Apr 10, 2007·20 cites·5 claims
- 0488US6377467B1Surface mountable over-current protecting devicePOLYTRONICS TECHNOLOGY CORP·Filed 2000·Granted Apr 23, 2002·52 cites·20 claims
- 0575US6806519B2Surface mountable devicePOLYTRONICS TECHNOLOGY CORP·Filed 2002·Granted Oct 19, 2004·10 cites·12 claims
- 0675US6512446B2Over-current protection apparatusPOLYTRONICS TECHNOLOGY CORP·Filed 2001·Granted Jan 28, 2003·11 cites·24 claims
- 0771US6487084B1Printed circuit board comprising an embedded functional element thereinPOLYTRONICS TECHNOLOGY CORP·Filed 2002·Granted Nov 26, 2002·15 cites·25 claims
- 0861US6665164B2Surface mountable over-current protecting apparatusPOLYTRONICS TECHNOLOGY CORP·Filed 2002·Granted Dec 16, 2003·8 cites·19 claims
- 0961US6479575B1Electrical devices comprising conductive polymer blend compositionsPOLYTRONICS TECHNOLOGY CORP·Filed 1999·Granted Nov 12, 2002·18 cites·6 claims
- 1055US6898063B2Over-current protection devicePOLYTRONICS TECHNOLOGY CORP·Filed 2003·Granted May 24, 2005·2 cites·4 claims
- 1153US7071810B2Over-current protection apparatusPOLYTRONICS TECHNOLOGY CORP·Filed 2004·Granted Jul 4, 2006·3 cites·13 claims
- 1251US2004134599A1Over-current protection device and manufacturing method thereofPOLYTRONICS TECHNOLOGY CORP·Filed 2003·Application pending·0 cites
- 1350US6853527B2Over-current protection apparatus for high voltagePOLYTRONICS TECHNOLOGY CORP·Filed 2002·Granted Feb 8, 2005·1 cites·7 claims
- 1448US2006261922A1Over-current protection device and manufacturing method thereofCHU FU H·Filed 2006·Application pending·0 cites
- 1545US2005140492A1Over-current protection device and manufacturing method thereofFiled 2004·Application pending·0 cites
- 1642US2003090855A1Over-current protection device and apparatus thereofFiled 2002·Application pending·0 cites
- 1742US2003099077A1Multi-layer structure of a battery protection deviceFiled 2002·Application pending·0 cites
- 1842US2007057760A1Over-current protection device and manufacturing method thereofPOLYTRONICS TECHNOLOGY CORP·Filed 2006·Application pending·0 cites
- 1941US2003111648A1Conductive composition exhibiting PTC behaviorFiled 2002·Application pending·0 cites
- 2039US2003076643A1Over-current protection deviceFiled 2002·Application pending·0 cites
- 2138US2004227611A1Over-current protection apparatus with high voltage enduranceFiled 2004·Application pending·0 cites
- 2238US2005047041A1Over-current protection deviceFiled 2004·Application pending·0 cites
- 2337US2006108566A1Conductive composition exhibiting PTC behavior and over-current protection device using the sameMA YUN C·Filed 2005·Application pending·0 cites
- 2433US2005232334A1Temperature sensorPOLYTRONICS TECHNOLOGY CORP·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →