Inventor · disambiguated record
Chao-Chih Chang
Also filed as: CHANG CHAO-CHIH
21 granted patents·3 pending applications·138 citations·filing 1999–2021
94Inventor score
Files withTAIWAN CAROL ELECTRONICS CO LT9TAIWAN CAROL ELECTRONICS CO LTD8MEDIATEK INC2NAT UNIV CHUNG HSING2CHANG CHAO-CHIH1
Top patents by PatentIndex Score
24 records- 0183US6928178B2Condenser microphone and method for making the sameTAIWAN CAROL ELECTRONICS CO LT·Filed 2002·Granted Aug 9, 2005·29 cites·12 claims
- 0279US6597796B2Microphone with a variable resistance switchFiled 2001·Granted Jul 22, 2003·28 cites·2 claims
- 0372US7469461B2Method for making a diaphragm unit of a condenser microphoneTAIWAN CAROL ELECTRONICS CO LT·Filed 2005·Granted Dec 30, 2008·7 cites·11 claims
- 0471US8375560B2Method for manufacturing a condenser microphoneTAIWAN CAROL ELECTRONICS CO LTD·Filed 2011·Granted Feb 19, 2013·6 cites·4 claims
- 0571US7895925B2Clamping device for anchoring a microphone to an instrumentTAIWAN CAROL ELECTRONICS CO LTD·Filed 2008·Granted Mar 1, 2011·6 cites·10 claims
- 0666US8031889B2Acoustoeletric transformation chip for ribbon microphoneNAT UNIV CHUNG HSING·Filed 2009·Granted Oct 4, 2011·6 cites·5 claims
- 0763USD974459SMicrophone clip for a musical instrumentTAIWAN CAROL ELECTRONICS CO LTD·Filed 2021·Granted Jan 3, 2023·3 cites·1 claims
- 0862US7224812B2Condenser microphone and method for making the sameTAIWAN CAROL ELECTRONICS CO LT·Filed 2004·Granted May 29, 2007·10 cites·5 claims
- 0957US9585065B2Mobile communications devices and methods for inter-radio access technology performance enhancementMEDIATEK INC·Filed 2014·Granted Feb 28, 2017·1 cites·16 claims
- 1057US7433478B2Microphone pick-up deviceTAIWAN CAROL ELECTRONICS CO LT·Filed 2005·Granted Oct 7, 2008·1 cites·2 claims
- 1157US6477257B1Directional microphoneFiled 2000·Granted Nov 5, 2002·7 cites·6 claims
- 1256US11443723B2Musical instrument holder clipTAIWAN CAROL ELECTRONICS CO LTD·Filed 2021·Granted Sep 13, 2022·0 cites·10 claims
- 1356USD630191SMicrophone shock absorberTAIWAN CAROL ELECTRONICS CO LTD·Filed 2010·Granted Jan 4, 2011·11 cites·1 claims
- 1454US12418787B2Apparatuses and methods for simultaneous reception or transmission associated with dual subscriber numbers using a single radio frequency (RF) deviceMEDIATEK INC·Filed 2021·Granted Sep 16, 2025·0 cites·20 claims
- 1553US7343661B2Method for making condenser microphonesTAIWAN CAROL ELECTRONICS CO LT·Filed 2006·Granted Mar 18, 2008·2 cites·13 claims
- 1651US7155024B2MicrophoneTAIWAN CAROL ELECTRONICS CO LT·Filed 2004·Granted Dec 26, 2006·3 cites·2 claims
- 1747US2008298609A1Electromagnetic microphoneTAIWAN CAROL ELECTRONICS CO LT·Filed 2007·Application pending·0 cites
- 1844US2008232630A1Condenser microphone packageNAT UNIV CHUNG HSING·Filed 2007·Application pending·0 cites
- 1943US7203330B2Switching unit for a microphoneTAIWAN CAROL ELECTRONICS CO LT·Filed 2004·Granted Apr 10, 2007·3 cites·4 claims
- 2041US2013223653A1Wireless Microphone System With Frequency Matching Capability, And Method For Frequency Matching In A Wireless Microphone SystemTAIWAN CAROL ELECTRONICS CO LTD·Filed 2012·Application pending·0 cites
- 2139USD425894SMegaphoneCHANG CHAO-CHIH·Filed 1999·Granted May 30, 2000·5 cites·1 claims
- 2237US10924845B2Microphone having an airtight back chamberTAIWAN CAROL ELECTRONICS CO LTD·Filed 2020·Granted Feb 16, 2021·0 cites·10 claims
- 2337US6201877B1Adjustable holder for an acoustic pick-up deviceTAIWAN CAROL ELECTRONICS CO LT·Filed 1999·Granted Mar 13, 2001·10 cites·5 claims
- 2435US9578422B2Microphone capable of actively counteracting noise attributed to undesired vibrationTAIWAN CAROL ELECTRONICS CO LTD·Filed 2016·Granted Feb 21, 2017·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →