Assignee
CHANG YU CHIEH
TW·3 granted patents·10 citations·filing 2021–2021
Top patents by PatentIndex Score
3 records- 0174USD952888SHeart-shaped vacuum massage deviceCHANG YU CHIEH·Filed 2021·Granted May 24, 2022·7 cites·1 claims
- 0274US11300094B1High efficiency compressed-air power generation systemCHANG YU CHIEH·Filed 2021·Granted Apr 12, 2022·1 cites·12 claims
- 0354USD952889SStar-shaped vacuum massage deviceCHANG YU CHIEH·Filed 2021·Granted May 24, 2022·2 cites·1 claims
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