Patent assignee · US · COMPANY

CHECKPOINT SYSTEMS, INC.

🏢 View company profile →
309Patents
221Active
309Granted
57Portfolio score

Filing activity: Jan 10, 1986 → Jun 22, 2023 · 108 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5574431A Deactivateable security tag Physics 1,519 Expired
US5963134A Inventory system using articles with RFID tags Physics 550 Expired
US6025780A RFID tags which are virtually activated and/or deactivated and apparatus and methods of using same in an electronic security system Physics 468 Expired
US5745036A Electronic article security system for store which uses intelligent security tags and transaction data Physics 370 Expired
US7652577B1 Systems and methods of beamforming in radio frequency identification applications Physics 288 Active
US6195006A Inventory system using articles with RFID tags Physics 264 Expired
US5142292A Coplanar multiple loop antenna for electronic article surveillance systems Electricity 227 Expired
US6693539B2 Inventory system using articles with RFID tags Physics 188 Expired
US5353011A Electronic article security system with digital signal processing and increased detection range Physics 158 Expired
US5218189A Binary encoded multiple frequency RF indentification tag Physics 156 Expired
US5883582A Anticollision protocol for reading multiple RFID tags Physics 156 Expired
US6963270B1 Anticollision protocol with fast read request and additional schemes for reading multiple transponders in an RFID system Physics 156 Expired
US5861809A Deactivateable resonant circuit Emerging Cross-Sectional Technologies 154 Expired
US6208235A Apparatus for magnetically decoupling an RFID tag Physics 154 Expired
US5959531A Optical interface between receiver and tag response signal analyzer in RFID system for detecting low power resonant tags Electricity 142 Expired
US5276431A Security tag for use with article having inherent capacitance Physics 129 Expired
US8321303B1 Retail product out-of-stock detection and dynamic scripting Physics 128 Active
US5708419A Method of wire bonding an integrated circuit to an ultraflexible substrate Emerging Cross-Sectional Technologies 124 Expired
US5059951A Method and apparatus for integrated data capture and electronic article surveillance Physics 122 Expired
US5103210A Activatable/deactivatable security tag for use with an electronic security system Physics 108 Expired
US6072383A RFID tag having parallel resonant circuit for magnetically decoupling tag from its environment Physics 100 Expired
US5061941A Composite antenna for electronic article surveillance systems Electricity 99 Expired
US6166706A Rotating field antenna with a magnetically coupled quadrature loop Electricity 92 Expired
US7724135B2 Coiled cable display device Emerging Cross-Sectional Technologies 91 Active
US5841350A Electronic security tag useful in electronic article indentification and surveillance system Emerging Cross-Sectional Technologies 77 Expired

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