Inventor · disambiguated record
Chao-Tsung Chang
Also filed as: CHANG CHAO-TSUNG
6 granted patents·2 pending applications·37 citations·filing 2000–2020
79Inventor score
Top patents by PatentIndex Score
8 records- 0181US11302806B1Double-gate trench-type insulated-gate bipolar transistor deviceHUGE POWER LTD TAIWAN BRANCH B V I·Filed 2020·Granted Apr 12, 2022·3 cites·16 claims
- 0275US6506094B1Puppet assemblyFiled 2000·Granted Jan 14, 2003·22 cites·4 claims
- 0354US6386943B1Puppet legs movement mechanismFiled 2000·Granted May 14, 2002·7 cites·5 claims
- 0447US8120936B2DC-to-AC power converting deviceDUAN ROU-YONG·Filed 2009·Granted Feb 21, 2012·3 cites·5 claims
- 0542US2006060547A1Storage and display cartonCHANG CHAO-TSUNG·Filed 2004·Application pending·0 cites
- 0641US2005237741A1Curtain decorated with light ornamentsCHANG CHAO-TSUNG·Filed 2004·Application pending·0 cites
- 0733US8198882B2Power converting device with high power transformation efficiencyDUAN ROU-YONG·Filed 2009·Granted Jun 12, 2012·0 cites·7 claims
- 0831USD490744SChristmas treeFiled 2003·Granted Jun 1, 2004·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →