The Patent Finder

Unitest Inc.

Also on record
Records under this name other than the patents Unitest Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 21 patents it holds.

Back to Unitest Inc.

PatentTitleStatus Expires Confidence
US 7,459,399Method for manufacturing probe structure of probe card
Formerly held
In force
 · From the USPTO record
In forceFrom the USPTO record
US 11,031,091Apparatus and Method for Measuring Round-Trip Time of Test Signal Using Programmable Logic
Formerly held
In force
 · Medium confidence
In forceMedium confidence
US 7,302,623Algorithm pattern generator for testing a memory device and memory tester using the same
Term ended
Term ended Apr 6, 2026 · From the USPTO record
Term endedTerm ended Apr 6, 2026From the USPTO record
US 7,327,151Memory application tester having vertically-mounted motherboard
Term ended
Term ended Mar 7, 2026 · From the USPTO record
Term endedTerm ended Mar 7, 2026From the USPTO record
US 7,288,949Semiconductor test interface
Term ended
Term ended Jan 27, 2026 · From the USPTO record
Term endedTerm ended Jan 27, 2026From the USPTO record
US 10,871,288Sealed plasma melting furnace for treating low- and intermediate-level radioactive waste
Lapsed on the fee record
Ended Dec 22, 2024 · From the USPTO record
Lapsed on the fee recordEnded Dec 22, 2024From the USPTO record
US 9,062,842Lighting device for street lamp
Lapsed on the fee record
Ended Jun 23, 2023 · From the USPTO record
Lapsed on the fee recordEnded Jun 23, 2023From the USPTO record
US 6,724,204Probe structure for testing semiconductor devices and method for fabricating the same
Formerly held
Term ended
Term ended Apr 18, 2022 · From the USPTO record
Term endedTerm ended Apr 18, 2022From the USPTO record
US 7,607,056Semiconductor test apparatus for simultaneously testing plurality of semiconductor devices
Lapsed on the fee record
Ended Oct 20, 2021 · From the USPTO record
Lapsed on the fee recordEnded Oct 20, 2021From the USPTO record
US 6,301,167Apparatus for testing semiconductor memory
Term ended
Term ended Aug 12, 2020 · From the USPTO record
Term endedTerm ended Aug 12, 2020From the USPTO record
10 of 17 patents shown.
Pro members see all 17.
Pro members: see all 17 patents
The Patent Finder CompaniesExpirationsCalculatorWatchlistPricing MethodologyCorrectionsLegalPrivacysupport@thepatentfinder.com Updated Nov 14, 2026 · includes USPTO assignment & status data published Nov 14, 2026 and grant & fee data published Nov 10, 2026 (weekly) Part of 137 Finder · © 2026 137 Finder LLC · Sources cited