Assignee
ETAMAX CO LTD
KR·4 granted patents·1 pending application·1 citations·filing 2013–2022
Top patents by PatentIndex Score
5 records- 0172US11605560B2Die division method and inspection apparatus for avoiding defects locations on silicon carbide wafersETAMAX CO LTD·Filed 2021·Granted Mar 14, 2023·1 cites·6 claims
- 0262US2023109887A1Defect classification equipment for silicon carbide substrate using single incident light-based photoluminescence and defect classification method using the sameETAMAX CO LTD·Filed 2022·Application pending·0 cites
- 0358US12372469B2Defect classification equipment for silicon carbide substrate using single incident light-based photoluminescence and defect classification method using the sameETAMAX CO LTD·Filed 2022·Granted Jul 29, 2025·0 cites·9 claims
- 0434US11009461B2Defect investigation device simultaneously detecting photoluminescence and scattered lightETAMAX CO LTD·Filed 2017·Granted May 18, 2021·0 cites·20 claims
- 0533US9945898B2Method and device for measuring internal quantum efficiency of an optical elementETAMAX CO LTD·Filed 2013·Granted Apr 17, 2018·0 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when ETAMAX CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →