Assignee

OPTREX KK

JP·33 granted patents·11 pending applications·509 citations·filing 19822010

Technology mixG02F20G09G15H10K14G06F2H05B2Y10S2

Top patents by PatentIndex Score

44 records

Join the waitlist — get patent alerts

Get an alert when OPTREX KK 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 →