Gentag believes that wearable biosensors linked with NFC devices have the power to transform medical and consumer diagnostics. We first patented the concept of an electronic “second skin” over a decade ago.

NFC and Optical Skin Patches

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Working to reduce costly hospital readmissions

By linking patients, wearable biological sensors that can be read with an encrypted NFC device, and doctors or hospitals, Gentag is working to reduce costly hospital readmissions, simplify patient discharge, and enable easy in-home self-monitoring.

Discharge Kits

From the National Labs to Hospitals and Homes

Radar Responsive Tags, a sophisticated geolocation and tracking technology, are capable of precision locating items or individuals over large areas. First developed at the US National Laboratories for the Department of Defense, these tiny wireless chips are combined with sensors and capable of providing exquisite location services.

Advanced Geolocation


  • Gentag Announces Lab-on-a-Chip (LOC) Patent For Diagnostics With Cell Phones (NFC)

    October 18, 2016

    This new platform could make accurate point-of-care diagnostics instantly available to anyone with a cell phone.  WASHINGTON, DC, October 18, 2016 — /PRNewswire/ — Gentag, Inc. is pleased to announce the issuance of U.S. Patent No. 9,470,699. This is the company’s seventy-sixth issued patent in the area of diagnostics with cell phones. This new patent, which covers both advanced biomarker and DNA-level detection with smartphone-based diagnostics, further enhances the company’s already significant intellectual property holdings of near field communication (NFC) mobile phone sensor technologies, including patents on wearable NFC diagnostic skin patches, immunoassays, lab-on-a-chip (LOC), printable e-noses and microelectromechanical...

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  • Gentag and Security First Corp. Sign Agreement to Secure NFC Sensor Transactions

    January 12, 2016

    Can the IoT Actually Be Secure? These Two Companies Say Yes Gentag and Security First Corp. Sign Agreement to Secure NFC Sensor Transactions WASHINGTON, DC and RANCHO SANTA MARGARITA, CA–(Marketwired – Jan 11, 2016) –  Gentag Inc. and Security First Corp. have announced an agreement to secure NFC and sensor transactions for the Internet of Things (IoT). California-based Security First Corp.’s patented cryptographic splitting technology called SPx™ (SecureParser® extended), which uses multi-factor secret sharing, will be used to secure NFC and other IoT sensor solutions for personal identification, contactless payments, healthcare, fitness, and home applications. By leveraging both companies’ expertise, security standards will...

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  • “Sweating the big stuff” – Gentag mentioned in September 19th print edition of The Economist

    September 18, 2015

    Gentag’s pain-free wearable diabetes patch technology was mentioned in an article that appeared in the September 19th print edition of The Economist. For the full article, please visit:

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