Inventor
ROBSHAW MATTHEW
US46 patents
⚠️ This page may combine multiple inventors who share the name “ROBSHAW MATTHEW”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IMPINJ INC
36 patentsUS11361174B1Jun 14, 2022
Enhanced RFID tag authentication
IMPINJ INC19 citations94
US11232340B1Jan 25, 2022
Digital identities for physical items
IMPINJ INC13 citations94
US10878685B1Dec 29, 2020
Environment-based RFID IC behavior
IMPINJ INC17 citations94
US10699178B1Jun 30, 2020
Digital identities for physical items
IMPINJ INC14 citations94
US10600298B1Mar 24, 2020
Exit-code-based RFID loss-prevention system
IMPINJ INC11 citations94
US10121033B1Nov 6, 2018
Enhanced RFID tag authentication
IMPINJ INC19 citations94
US9940490B1Apr 10, 2018
Enhanced RFID tag authentication
IMPINJ INC24 citations94
US9565022B1Feb 7, 2017
RFID tags with dynamic key replacement
IMPINJ INC38 citations94
US9767333B1Sep 19, 2017
RFID tag and reader authentication by trusted authority
IMPINJ INC13 citations93
US9690949B1Jun 27, 2017
Proxy-based reader authentication by trusted authority
IMPINJ INC18 citations93
US9501675B1Nov 22, 2016
RFID tag and reader authentication by trusted authority
IMPINJ INC19 citations93
US10186127B1Jan 22, 2019
Exit-code-based RFID loss-prevention system
IMPINJ INC11 citations92
US10043046B1Aug 7, 2018
Tag-to-tag communication using RFID readers
IMPINJ INC15 citations92
US9740891B1Aug 22, 2017
Tag-to-tag communication using RFID readers
IMPINJ INC16 citations92
US9691243B1Jun 27, 2017
Exit-code-based RFID loss-prevention system
IMPINJ INC13 citations92
US9189904B1Nov 17, 2015
Exit-code-based RFID loss-prevention system
IMPINJ INC22 citations92
US11341837B1May 24, 2022
Environment-based RFID IC behavior
IMPINJ INC9 citations86
US11120320B1Sep 14, 2021
Item identification via RFID tag secret
IMPINJ INC9 citations86
US10916114B1Feb 9, 2021
Exit-code-based RFID loss-prevention system
IMPINJ INC9 citations86
US10719671B1Jul 21, 2020
Tag-to-tag communication using RFID readers
IMPINJ INC11 citations86
US10430623B1Oct 1, 2019
RFID tag tracking using tag population management
IMPINJ INC14 citations86
US10713453B1Jul 14, 2020
Proxy-based reader authentication by trusted authority
IMPINJ INC10 citations84
US10664670B1May 26, 2020
RFID tag and reader authentication by trusted authority
IMPINJ INC10 citations84
US10650202B1May 12, 2020
Enhanced RFID tag authentication
IMPINJ INC9 citations84
US10169625B1Jan 1, 2019
Proxy-based reader authentication by trusted authority
IMPINJ INC13 citations84
US10146969B1Dec 4, 2018
RFID tag and reader authentication by trusted authority
IMPINJ INC9 citations84
US10084597B1Sep 25, 2018
RFID tags with dynamic key replacement
IMPINJ INC9 citations84
US9887843B1Feb 6, 2018
RFID tags with dynamic key replacement
IMPINJ INC12 citations84
US11681889B1Jun 20, 2023
Digital identities for physical items
IMPINJ INC1 citations73
US12169752B1Dec 17, 2024
Enhanced RFID tag authentication
IMPINJ INC0 citations63
US12536399B1Jan 27, 2026
Digital identities for physical items
IMPINJ INC0 citations62
US12468915B1Nov 11, 2025
Item identification via RFID tag secret
IMPINJ INC0 citations62
US12125364B1Oct 22, 2024
Environment-based RFID IC behavior
IMPINJ INC0 citations62
US12086668B1Sep 10, 2024
Item identification via RFID tag secret
IMPINJ INC0 citations62
US11798392B1Oct 24, 2023
Environment-based RFID IC behavior
IMPINJ INC0 citations62
US11651180B1May 16, 2023
Item identification via RFID tag secret
IMPINJ INC0 citations62
ROBSHAW MATTHEW
6 patentsUS9332430B2May 3, 2016
Method of identifying and authenticating a radio tag by a reader
ROBSHAW MATTHEW10 citations83
US8595506B2Nov 26, 2013
Authentication system and method using electronic tags
ROBSHAW MATTHEW18 citations83
US8458474B2Jun 4, 2013
Method of authenticating an entity by a verification entity
ROBSHAW MATTHEW5 citations72
US9219612B2Dec 22, 2015
Method of mutually authenticating a reader and a radio tag
ROBSHAW MATTHEW2 citations62
US8543812B2Sep 24, 2013
Efficient and secure cryptographic coupon reloading
ROBSHAW MATTHEW3 citations57
US8588408B2Nov 19, 2013
Method of implementing a block cipher algorithm
ROBSHAW MATTHEW0 citations51