Inventor · disambiguated record
Hong Chang
Also filed as: CHANG HONG · CHANG HONG-YIH
6 granted patents·109 citations·filing 1994–2021
85Inventor score
Top patents by PatentIndex Score
6 records- 0191USD986398SAir cleanerSHENZHEN AIRTOK TECH CO LTD·Filed 2021·Granted May 16, 2023·21 cites·1 claims
- 0290USD948018SAir purifierSHENZHEN AIRTOK TECH CO LTD·Filed 2021·Granted Apr 5, 2022·18 cites·1 claims
- 0389US9638498B2Cartridge of non-lethal weaponCHANG HONG YIH·Filed 2016·Granted May 2, 2017·37 cites·7 claims
- 0485USD1004067SAir cleanerSHENZHEN AIRTOK TECH CO LTD·Filed 2021·Granted Nov 7, 2023·11 cites·1 claims
- 0582USD1001989SAir purifierSHENZHEN AIRTOK TECH CO LTD·Filed 2021·Granted Oct 17, 2023·9 cites·1 claims
- 0641US5392029AElectrical shock apparatusFiled 1994·Granted Feb 21, 1995·13 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →