Patent assignee · KR · COMPANY

TECHWIN CO., LTD.

51Patents
48Active
51Granted
51Portfolio score

Filing activity: Sep 6, 2001 → Dec 7, 2022 · 29 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7948255B2 Test handler Electricity 21 Active
US7954869B2 Pick and place apparatus Electricity 14 Active
US6844717B2 Test handler Physics 12 Expired
US6651817B2 Test tray insert of test handler Physics 11 Expired
US8141922B2 Pick-and-place apparatus Electricity 8 Active
US8038191B2 Pick and place apparatus Electricity 7 Active
US8496113B2 Insert for carrier board of test handler Physics 5 Active
US8496426B2 Pick and place apparatus for electronic device inspection equipment, picking apparatus thereof, and method for loading electronic devices onto loading element Emerging Cross-Sectional Technologies 4 Active
US7538542B2 Test handler and operation method thereof Physics 4 Active
US8154314B2 Side-docking type test handler and apparatus for transferring test tray for same Emerging Cross-Sectional Technologies 3 Active
US8376431B2 Pick-and-place module for test handler Physics 3 Active
US7656150B2 Test handler and loading method thereof Physics 3 Active
US8258804B2 Test tray for test handler Physics 2 Active
US8146969B2 Pick-and-place module for test handlers Physics 2 Active
US7557564B2 Test handler comprising at least one opening unit opening one part of the plurality of inserts Physics 2 Active
US8277162B2 Unit for opening insert for test tray and method of mounting semiconductor device using the same Physics 2 Active
US8013620B2 Test handler and loading method thereof Physics 2 Active
US8026735B2 Test handler Physics 1 Active
US7667453B2 Test tray for test handler Physics 1 Active
US10322788B2 Ballast water treatment system Emerging Cross-Sectional Technologies 1 Active
US9343342B2 Handler for testing semiconductor device with detecting sensors Electricity 1 Active
US8653845B2 Test handler and method for operating the same for testing semiconductor devices Physics 1 Active
US6617843B2 Contactor of the device for testing semiconductor device Physics 1 Expired
US8523163B2 Insert for carrier board of test handler Physics 1 Active
US8570058B2 Carrier board transfer system for handler that supports testing of electronic devices and method for transferring carrier board in chamber of handler Physics 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.