Assignee
ARCMASK OPTECH CO LTD
TW·2 granted patents·1 pending application·3 citations·filing 2017–2020
Top patents by PatentIndex Score
3 records- 0179US10663779B1Welding helmet with single LCD filter lensARCMASK OPTECH CO LTD·Filed 2019·Granted May 26, 2020·2 cites·9 claims
- 0259US10172741B1Power saving welding helmetARCMASK OPTECH CO LTD·Filed 2017·Granted Jan 8, 2019·1 cites·12 claims
- 0342US2022079812A1Anti-glare welding apparatusARCMASK OPTECH CO LTD·Filed 2020·Application pending·0 cites
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →