Assignee
PKL CO LTD
KR·2 granted patents·1 pending application·9 citations·filing 2006–2007
Top patents by PatentIndex Score
3 records- 0177US7186301B2Device and method for cleaning photomaskPKL CO LTD·Filed 2006·Granted Mar 6, 2007·9 cites·11 claims
- 0240US7377984B2Method for cleaning a photomaskPKL CO LTD·Filed 2007·Granted May 27, 2008·0 cites·8 claims
- 0336US2006257752A1Phase shift mask for preventing hazePKL CO LTD·Filed 2006·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when PKL 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 →