Assignee
CHANG CHI-CHENG
TW·4 granted patents·4 pending applications·2 citations·filing 2006–2021
Top patents by PatentIndex Score
8 records- 0161USD990523SBladeCHANG CHI CHENG·Filed 2021·Granted Jun 27, 2023·0 cites·1 claims
- 0253US11084180B2Cutting blade for brush cutterCHANG CHI CHENG·Filed 2020·Granted Aug 10, 2021·0 cites·1 claims
- 0353US8471134B2Bass drum pedal assembly of drum kitCHANG CHI-CHENG·Filed 2012·Granted Jun 25, 2013·2 cites·10 claims
- 0441US2006278733A1Water-spraying positioning device of a windshieldCHANG CHI-CHENG·Filed 2006·Application pending·0 cites
- 0535USD983841SBladeCHANG CHI CHENG·Filed 2021·Granted Apr 18, 2023·0 cites·1 claims
- 0635US2008196573A1Fastening structure for transmission rod of drum hammerCHANG CHI-CHENG·Filed 2007·Application pending·0 cites
- 0730US2017325401A1Blade of string trimmerCHANG CHI-CHENG·Filed 2017·Application pending·0 cites
- 0829US2016296743A1Electrical treatment probe for caval sphincterCHANG CHI-CHENG·Filed 2015·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →