Inventor · disambiguated record
Ching-Ching Chang
Also filed as: CHANG CHING W · CHANG CHING-CHING
3 granted patents·2 pending applications·3 citations·filing 2001–2009
51Inventor score
Top patents by PatentIndex Score
5 records- 0154US8113485B2Leak-proof structure of oil pipe connectorCHANG CHING-CHING·Filed 2009·Granted Feb 14, 2012·3 cites·10 claims
- 0247US7542819B2Method and system for managing product outputINVENTEC CORP·Filed 2001·Granted Jun 2, 2009·0 cites·11 claims
- 0344US2003144851A1Method and system for controlling production and exportationFiled 2002·Application pending·0 cites
- 0439US2007242464A1Essential oil diffusorWISE LIFE TECHNOLOGY CO LTD·Filed 2006·Application pending·0 cites
- 0535US8082942B2Oil pipe connectorCHANG CHING-CHING·Filed 2009·Granted Dec 27, 2011·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →