Assignee
CHANG CHIN-CHIA
TW·2 granted patents·1 pending application·5 citations·filing 2010–2021
Top patents by PatentIndex Score
3 records- 0188US11503915B1Chair seat capable of adjusting widthCHANG CHIN CHIA·Filed 2021·Granted Nov 22, 2022·4 cites·3 claims
- 0259US10722036B2Saddle chairCHANG CHIN CHIA·Filed 2018·Granted Jul 28, 2020·1 cites·3 claims
- 0340US2010326246A1Wrench with switchable ratchet wheel setsCHANG CHIN-CHIA·Filed 2010·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →