Assignee
TOPLENS HANGZHOU INC
CN·3 granted patents·7 citations·filing 2015–2018
Top patents by PatentIndex Score
3 records- 0181US9835519B2Handheld apparatus for measuring lens surface powerTOPLENS HANGZHOU INC·Filed 2015·Granted Dec 5, 2017·7 cites·12 claims
- 0238US11400670B2Automatic pouring device and pouring method for lens monomerTOPLENS HANGZHOU INC·Filed 2018·Granted Aug 2, 2022·0 cites·13 claims
- 0334US11141993B2Revolving drum type digital lens printing deviceTOPLENS HANGZHOU INC·Filed 2018·Granted Oct 12, 2021·0 cites·20 claims
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