Assignee
CHEN CHING-HSIANG
TW·1 granted patent·2 pending applications·0 citations·filing 2009–2022
Top patents by PatentIndex Score
3 records- 0152US2022401716A1Tattoo machineCHEN CHING HSIANG·Filed 2022·Application pending·0 cites
- 0247US2011079114A1Ratchet deviceCHEN CHING-HSIANG·Filed 2009·Application pending·0 cites
- 0346US12132399B2DC power supply unit for a tattoo machine and capable of outputting square wavesCHEN CHING HSIANG·Filed 2020·Granted Oct 29, 2024·0 cites·4 claims
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