Patent applications and USPTO patent grants for Impinj, Inc..The latest application filed is for "rfid tag location using synthesized-beam rfid readers".
Patent | Date |
---|---|
RFID integrated circuits with large contact pads Grant 11,423,278 - Koepp , et al. August 23, 2 | 2022-08-23 |
RFID integrated circuits with electrical bridges Grant 11,403,505 - Diorio , et al. August 2, 2 | 2022-08-02 |
Enhanced RFID tag authentication Grant 11,361,174 - Robshaw , et al. June 14, 2 | 2022-06-14 |
RFID integrated circuit identifier self-check Grant 11,341,343 - Diorio May 24, 2 | 2022-05-24 |
Environment-based RFID IC behavior Grant 11,341,837 - Diorio , et al. May 24, 2 | 2022-05-24 |
Inventory-cycle-based RFID tag location Grant 11,321,547 - Pesavento , et al. May 3, 2 | 2022-05-03 |
High-speed RFID tag assembly using impulse heating Grant 11,288,564 - Koepp , et al. March 29, 2 | 2022-03-29 |
RFID loss-prevention based on transition risk Grant 11,244,282 - Diorio , et al. February 8, 2 | 2022-02-08 |
Digital identities for physical items Grant 11,232,340 - Diorio , et al. January 25, 2 | 2022-01-25 |
RFID tags enforcing persistence while powered Grant 11,200,387 - Stanford , et al. December 14, 2 | 2021-12-14 |
Rectifier backflow reduction via biasing Grant 11,188,803 - Patil , et al. November 30, 2 | 2021-11-30 |
Item identification via RFID tag secret Grant 11,120,320 - Robshaw , et al. September 14, 2 | 2021-09-14 |
Portal monitoring with steered-beam RFID systems Grant 11,107,034 - Pesavento , et al. August 31, 2 | 2021-08-31 |
RFID tags with public and private inventory states Grant 11,062,190 - Diorio , et al. July 13, 2 | 2021-07-13 |
RFID tag assembly methods Grant 11,024,936 - Koepp , et al. June 1, 2 | 2021-06-01 |
Fast frequency switching for RFID applications Grant 11,017,187 - Thomas , et al. May 25, 2 | 2021-05-25 |
RFID loss-prevention based on transition risk Grant 11,017,349 - Diorio , et al. May 25, 2 | 2021-05-25 |
RFID-based item presence detection Grant 10,956,693 - Shyamkumar , et al. March 23, 2 | 2021-03-23 |
RFID integrated circuits with electrical bridges Grant 10,936,929 - Diorio , et al. March 2, 2 | 2021-03-02 |
RFID tag clock frequency reduction during tuning Grant 10,929,734 - Hyde , et al. February 23, 2 | 2021-02-23 |
Exit-code-based RFID loss-prevention system Grant 10,916,114 - Diorio , et al. February 9, 2 | 2021-02-09 |
RFID integrated circuits with antenna contacts on multiple surfaces Grant 10,885,421 - Diorio , et al. January 5, 2 | 2021-01-05 |
Impedance-change mitigation in RFID tags Grant 10,885,417 - Stanford , et al. January 5, 2 | 2021-01-05 |
Environment-based RFID IC behavior Grant 10,878,685 - Diorio , et al. December 29, 2 | 2020-12-29 |
RFID systems with session-dependent replies Grant 10,878,371 - Stanford , et al. December 29, 2 | 2020-12-29 |
Inventory-cycle-based RFID tag location Grant 10,860,819 - Pesavento , et al. December 8, 2 | 2020-12-08 |
High-speed RFID tag assembly using impulse heating Grant 10,846,583 - Koepp , et al. November 24, 2 | 2020-11-24 |
User-filtered RFID inventory Grant 10,824,824 - Diorio November 3, 2 | 2020-11-03 |
Level shifter circuit with self-gated transition amplifier Grant 10,819,319 - Hyde October 27, 2 | 2020-10-27 |
RFID integrated circuit identifier self-check Grant 10,776,198 - Diorio Sept | 2020-09-15 |
RFID tags enforcing persistence while powered Grant 10,740,574 - Stanford , et al. A | 2020-08-11 |
Location-based access to RFID tag information Grant 10,733,395 - Diorio , et al. | 2020-08-04 |
Synthesized-beam RFID reader system with gain compensation and unactivated antenna element coupling suppression Grant 10,720,700 - Moretti , et al. | 2020-07-21 |
Tag-to-tag communication using RFID readers Grant 10,719,671 - Robshaw , et al. | 2020-07-21 |
Proxy-based reader authentication by trusted authority Grant 10,713,453 - Diorio , et al. | 2020-07-14 |
RFID tag rectifiers with bias current reuse Grant 10,713,549 - Peach , et al. | 2020-07-14 |
Digital identities for physical items Grant 10,699,178 - Diorio , et al. | 2020-06-30 |
Crossover for RFID IC terminals Grant D887,400 - Oliver | 2020-06-16 |
Fast frequency switching for RFID applications Grant 10,679,019 - Thomas , et al. | 2020-06-09 |
RFID tag and reader authentication by trusted authority Grant 10,664,670 - Diorio , et al. | 2020-05-26 |
Enhanced RFID tag authentication Grant 10,650,202 - Robshaw , et al. | 2020-05-12 |
Portal monitoring with steered-beam RFID systems Grant 10,650,346 - Pesavento , et al. | 2020-05-12 |
RFID tags with port-dependent functionality Grant 10,650,201 - Maguire , et al. | 2020-05-12 |
Crossover for RFID IC terminals Grant D879,077 - Oliver | 2020-03-24 |
Exit-code-based RFID loss-prevention system Grant 10,600,298 - Diorio , et al. | 2020-03-24 |
Impedance-change mitigation in RFID tags Grant 10,572,789 - Stanford , et al. Feb | 2020-02-25 |
RFID-based item presence detection Grant 10,572,703 - Shyamkumar , et al. Feb | 2020-02-25 |
User-filtered RFID inventory Grant 10,546,162 - Diorio Ja | 2020-01-28 |
RFID loss-prevention based on transition risk Grant 10,521,768 - Diorio , et al. Dec | 2019-12-31 |
Self-tuning of RFID tags using nonuniform impedance steps Grant RE47,755 - Hyde , et al. De | 2019-12-03 |
Crossover for RFID IC terminals Grant D865,726 - Oliver No | 2019-11-05 |
RFID tag clock frequency reduction during tuning Grant 10,445,535 - Hyde , et al. Oc | 2019-10-15 |
RFID tag tracking using tag population management Grant 10,430,623 - Pesavento , et al. O | 2019-10-01 |
RFID integrated circuit identifier self-check Grant 10,417,085 - Diorio Sept | 2019-09-17 |
RFID tags with public and private inventory states Grant 10,402,710 - Diorio , et al. Sep | 2019-09-03 |
RFID tags enforcing persistence while powered Grant 10,373,038 - Stanford | 2019-08-06 |
RFID loss-prevention based on transition risk Grant 10,373,115 - Diorio , et al. | 2019-08-06 |
RFID integrated circuits with large contact pads Grant 10,331,993 - Koepp , et al. | 2019-06-25 |
Inventory-cycle-based RFID tag location Grant 10,325,125 - Pesavento , et al. | 2019-06-18 |
RFID integrated circuits with electrical bridges Grant 10,311,353 - Diorio , et al. | 2019-06-04 |
RFID integrated circuits with antenna contacts on multiple surfaces Grant 10,311,351 - Diorio , et al. | 2019-06-04 |
Location-based access to RFID tag information Grant 10,204,245 - Diorio , et al. Feb | 2019-02-12 |
RFID tags with port-dependent functionality Grant 10,204,246 - Maguire , et al. Feb | 2019-02-12 |
Exit-code-based RFID loss-prevention system Grant 10,186,127 - Diorio , et al. Ja | 2019-01-22 |
Proxy-based reader authentication by trusted authority Grant 10,169,625 - Diorio , et al. J | 2019-01-01 |
RFID tag and reader authentication by trusted authority Grant 10,146,969 - Diorio , et al. De | 2018-12-04 |
Enhanced RFID tag authentication Grant 10,121,033 - Robshaw , et al. November 6, 2 | 2018-11-06 |
RFID tag assembly methods Grant 10,116,033 - Koepp , et al. October 30, 2 | 2018-10-30 |
RFID tags with dynamic key replacement Grant 10,084,597 - Robshaw , et al. September 25, 2 | 2018-09-25 |
Inventory-cycle-based RFID tag location Grant 10,061,950 - Pesavento , et al. August 28, 2 | 2018-08-28 |
RFID tags with public and private inventory states Grant 10,049,317 - Diorio , et al. August 14, 2 | 2018-08-14 |
Tag-to-tag communication using RFID readers Grant 10,043,046 - Robshaw , et al. August 7, 2 | 2018-08-07 |
Weak RFID tag signal recovery from collisions Grant 10,037,444 - Sundstrom , et al. July 31, 2 | 2018-07-31 |
Powering RFID tags using multiple RFID readers Grant 10,013,587 - Pesavento , et al. July 3, 2 | 2018-07-03 |
RFID tag clock frequency reduction during tuning Grant 10,002,266 - Hyde , et al. June 19, 2 | 2018-06-19 |
Location-based access to RFID tag information Grant 9,959,435 - Diorio , et al. May 1, 2 | 2018-05-01 |
RFID-based item presence detection Grant 9,959,494 - Shyamkumar , et al. May 1, 2 | 2018-05-01 |
Synthesized-beam RFID reader system with gain compensation and unactivated antenna element coupling suppression Grant 9,954,278 - Moretti , et al. April 24, 2 | 2018-04-24 |
Enhanced RFID tag authentication Grant 9,940,490 - Robshaw , et al. April 10, 2 | 2018-04-10 |
Network-enabled RFID tag endorsement Grant 9,928,390 - Diorio , et al. March 27, 2 | 2018-03-27 |
Sequential encoding for RFID tags Grant 9,928,388 - Bowman , et al. March 27, 2 | 2018-03-27 |
Tag-handle-based authentication of RFID readers Grant 9,916,483 - Robshaw , et al. March 13, 2 | 2018-03-13 |
RFID tag location using synthesized-beam RFID readers Grant 9,916,484 - Pesavento , et al. March 13, 2 | 2018-03-13 |
RFID tags with digital signature subportions Grant 9,911,018 - Heinrich , et al. March 6, 2 | 2018-03-06 |
Impedance-change mitigation in RFID tags Grant 9,886,658 - Stanford , et al. February 6, 2 | 2018-02-06 |
RFID tags with dynamic key replacement Grant 9,887,843 - Robshaw , et al. February 6, 2 | 2018-02-06 |
Weak RFID tag signal recovery from collisions Grant 9,881,186 - Sundstrom , et al. January 30, 2 | 2018-01-30 |
RFID loss-prevention using angle-of-arrival Grant 9,881,473 - Diorio , et al. January 30, 2 | 2018-01-30 |
RFID integrated circuits with antenna contacts on multiple surfaces Grant 9,875,438 - Diorio , et al. January 23, 2 | 2018-01-23 |
Inventory-cycle-based RFID tag location Grant 9,852,319 - Pesavento , et al. December 26, 2 | 2017-12-26 |
High-speed RFID tag assembly using impulse heating Grant 9,846,833 - Koepp , et al. December 19, 2 | 2017-12-19 |
RFID loss-prevention based on transition risk Grant 9,818,084 - Diorio , et al. November 14, 2 | 2017-11-14 |
Sequential encoding for RFID tags Grant 9,805,223 - Bowman , et al. October 31, 2 | 2017-10-31 |
Tag-handle-based authentication of RFID readers Grant 9,792,472 - Robshaw , et al. October 17, 2 | 2017-10-17 |
RFID tag and reader characteristic determination using group keys Grant 9,773,133 - Oliver , et al. September 26, 2 | 2017-09-26 |
RFID tag and reader authentication by trusted authority Grant 9,767,333 - Diorio , et al. September 19, 2 | 2017-09-19 |
Rfid Tag Location Using Synthesized-beam Rfid Readers App 20170243032 - Pesavento; Alberto ;   et al. | 2017-08-24 |
Tag-to-tag communication using RFID readers Grant 9,740,891 - Robshaw , et al. August 22, 2 | 2017-08-22 |
Weak RFID tag signal recovery from collisions Grant 9,715,605 - Sundstrom , et al. July 25, 2 | 2017-07-25 |
Sequential encoding for RFID tags Grant 9,697,387 - Bowman , et al. July 4, 2 | 2017-07-04 |
Proxy-based reader authentication by trusted authority Grant 9,690,949 - Diorio , et al. June 27, 2 | 2017-06-27 |
Exit-code-based RFID loss-prevention system Grant 9,691,243 - Diorio , et al. June 27, 2 | 2017-06-27 |
Rfid Tag And Reader Characteristic Determination Using Group Keys App 20160034728 - Oliver; Ron ;   et al. | 2016-02-04 |
Rfid Integrated Circuits And Tags With Antenna Contacts On Multiple Surfaces App 20150248604 - Diorio; Christopher J. ;   et al. | 2015-09-03 |
Rfid Integrated Circuits With Antenna Contacts On Multiple Surfaces App 20150227832 - Diorio; Christopher J. ;   et al. | 2015-08-13 |
Rfid Integrated Circuits And Tags With Antenna Contacts On Multiple Surfaces App 20140144992 - Diorio; Christopher J. ;   et al. | 2014-05-29 |
Rfid Integrated Circuits With Antenna Contacts On Multiple Surfaces App 20140070010 - Diorio; Christopher J. ;   et al. | 2014-03-13 |
Rfid Integrated Circuits With Antenna Contacts On Multiple Surfaces App 20140073071 - Diorio; Christopher J. ;   et al. | 2014-03-13 |
Rfid Readers Co-existing With Other Ism-band Devices App 20130163640 - Aiouaz; Ali ;   et al. | 2013-06-27 |
Packaged Rfid Ic With Integrated Antenna App 20100270382 - Koepp; Ronald L. ;   et al. | 2010-10-28 |
Interference Rejection In Rfid Tags App 20100182129 - Hyde; John D. ;   et al. | 2010-07-22 |
Rfid Tags With Power Rectifiers That Have Bias App 20090237220 - Oliver; Ronald A. ;   et al. | 2009-09-24 |
Causing Rfid Tag To Change How Many Remaining Commands It Will Comply With App 20090002132 - Diorio; Christopher J. ;   et al. | 2009-01-01 |
Rfid Readers Co-existing With Other Ism-band Devices App 20080266098 - Aiouaz; Ali ;   et al. | 2008-10-30 |
Facilitating Rfid Tags To Refrain From Participating In A Subsequent Inventorying Attempt App 20080258878 - Dietrich; Paul ;   et al. | 2008-10-23 |
Rfid Tag Chips And Tags Refraining From Participating In A Subsequent Inventorying Attempt And Methods App 20080258916 - Diorio; Christopher J. ;   et al. | 2008-10-23 |
Hybrid Non-volatile Memory App 20080205150 - Pesavento; Alberto | 2008-08-28 |
Rfid Tag Chips And Tags Complying With Only A Limited Number Of Remaining Commands And Methods App 20080204195 - Diorio; Christopher J. ;   et al. | 2008-08-28 |
Causing Rfid Tags To Reply Using Changed Reply Timing App 20080197979 - Enyedy; Arthur Gustav ;   et al. | 2008-08-21 |
Rfid Tags Replying Using Changed Reply Timing App 20080197978 - Diorio; Christopher J. ;   et al. | 2008-08-21 |
Rfid Tag With Redundant Non-volatile Memory Cell App 20080136602 - Ma; Yanjun ;   et al. | 2008-06-12 |
Non-volatile memory with programming through band-to-band tunneling and impact ionization gate current App 20080056010 - Horch; Andrew E. | 2008-03-06 |
Non-volatile memory cell circuit with programming through band-to-band tunneling and impact ionization gate current App 20080049519 - Horch; Andrew E. | 2008-02-28 |
Rfid System Components Implementing Adjusted Backscatter Calculations And Methods App 20080006702 - Diorio; Christopher ;   et al. | 2008-01-10 |
Inverter Non-volatile Memory Cell And Array System App 20070263456 - Wang; Bin ;   et al. | 2007-11-15 |
Ahead-of-time scheduling of commands in RFID reader systems App 20070236335 - Aiouaz; Ali ;   et al. | 2007-10-11 |
Preventing timeout of RFID tag in timed state of air-interface protocol App 20070236331 - Thompson; Leland ;   et al. | 2007-10-11 |
Rfid System Components Implementing Adjusted Backscatter Calculations And Methods App 20070221737 - Diorio; Christopher ;   et al. | 2007-09-27 |
RFID tags combining signals received from multiple RF ports App 20070216533 - Hyde; John D. ;   et al. | 2007-09-20 |
Disabling poorly testing RFID ICs App 20070218571 - Stoughton; Anthony ;   et al. | 2007-09-20 |
RFID tag with random number generator having a noise-based input App 20070180009 - Gutnik; Vadim | 2007-08-02 |
Counteracting overtunneling in nonvolatile memory cells App 20070171724 - Diorio; Christopher J. ;   et al. | 2007-07-26 |
Decoding with memory in RFID system App 20070152073 - Esterberg; Aanand | 2007-07-05 |
Capacitive Level Shifting For Analog Signal Processing App 20070139244 - Kuhn; Jay A. | 2007-06-21 |
Handling legitimate and unauthorized items in supply chain according to authentication of their RFID tags App 20070136584 - Diorio; Christopher J. ;   et al. | 2007-06-14 |
Reporting on authentication of RFID tags for indicating legitimacy of their associated items App 20070136583 - Diorio; Christopher J. ;   et al. | 2007-06-14 |
Determining authentication of RFID tags for indicating legitimacy of their associated items App 20070136585 - Diorio; Christopher J. ;   et al. | 2007-06-14 |
Graded junction high voltage semiconductor device App 20070093028 - Wang; Bin | 2007-04-26 |
Local processing of received RFID tag responses App 20070046432 - Aiouaz; Ali ;   et al. | 2007-03-01 |
Rfid Readers And Tags Transmitting And Receiving Waveform Segment With Ending-triggering Transition App 20070024446 - Hyde; John D. ;   et al. | 2007-02-01 |
Reduced area high voltage switch for NVM App 20060291319 - Pesavento; Alberto | 2006-12-28 |
Interference rejection in RFID tags App 20060244598 - Hyde; John D. ;   et al. | 2006-11-02 |
System and methods for retention-enhanced programmable shared gate logic circuit App 20060226489 - Wang; Bin ;   et al. | 2006-10-12 |
Fault tolerant non volatile memories and methods App 20060220639 - Hyde; John D. | 2006-10-05 |
Tunneling-enhanced floating gate semiconductor device App 20060220096 - Wang; Bin ;   et al. | 2006-10-05 |
High voltage LDMOS device with counter doping App 20060220120 - Horch; Andrew Edward | 2006-10-05 |
Redundant non-volatile memory cell App 20060221715 - Ma; Yanjun ;   et al. | 2006-10-05 |
RFID tag using updatable seed values for generating a random number App 20060224647 - Gutnik; Vadim | 2006-10-05 |
Schottky junction diode devices in CMOS with multiple wells App 20060223246 - Ma; Yanjun ;   et al. | 2006-10-05 |
Inverter non-volatile memory cell and array system App 20060209598 - Wang; Bin ;   et al. | 2006-09-21 |
Single RF oscillator single-side band modulation for RFID readers with frequency translation and filtering App 20060211386 - Thomas; Michael H. ;   et al. | 2006-09-21 |
Compact non-volatile memory cell and array system App 20060209597 - Wang; Bin ;   et al. | 2006-09-21 |
RFID tags with power rectifiers that have bias App 20060197668 - Oliver; Ronald A. ;   et al. | 2006-09-07 |
Single Rf Oscillator Single-side Band Modulation For Rfid Readers Using Tone Insertion During Reader Reception App 20060199551 - Thomas; Michael H. ;   et al. | 2006-09-07 |
Selecting RFID tags using memory-mapped parameters App 20060187031 - Moretti; Vincent C. ;   et al. | 2006-08-24 |
Use of analog-valued floating-gate transistors for parallel and serial signal processing App 20060186960 - Diorio; Christopher J. ;   et al. | 2006-08-24 |
RFID readers and RFID tags communicating using extensible bit vectors App 20060187094 - Kaplan; David ;   et al. | 2006-08-24 |
MTP NVM elements by-passed for programming App 20060181927 - Pesavento; Alberto ;   et al. | 2006-08-17 |
Use of analog-valued floating-gate transistors to match the electrical characteristics of interleaved and pipelined circuits App 20060145744 - Diorio; Christopher J. ;   et al. | 2006-07-06 |
RFID reader to select code modules App 20060145855 - Diorio; Christopher J. ;   et al. | 2006-07-06 |
On wafer testing of RFID tag circuit with pseudo antenna signal App 20060125508 - Glidden; Robert M. III ;   et al. | 2006-06-15 |
High-voltage CMOS-compatible capacitors App 20060120013 - Diorio; Christopher J. ;   et al. | 2006-06-08 |
Interference cancellation in RFID systems App 20060098765 - Thomas; Michael H. ;   et al. | 2006-05-11 |
RFID tags calibrating backscattering period also for non-integer divide ratios App 20060086810 - Diorio; Christopher J. ;   et al. | 2006-04-27 |
Adaptively adjusting a query parameter Q used for inventorying RFID tags App 20060071758 - Cooper; Scott Anthony ;   et al. | 2006-04-06 |
RFID tag using hybrid non-volatile memory App 20060071793 - Pesavento; Alberto | 2006-04-06 |
Changing manner of determining a query parameter Q used for inventorying RFID tags App 20060071759 - Cooper; Scott Anthony ;   et al. | 2006-04-06 |
Circuits for RFID tags with multiple non-independently driven RF ports App 20060055620 - Oliver; Ronald A. ;   et al. | 2006-03-16 |
RFID tags combining signals received from multiple RF ports App 20060049917 - Hyde; John D. ;   et al. | 2006-03-09 |
Hybrid non-volatile memory App 20060023550 - Pesavento; Alberto | 2006-02-02 |
High voltage FET gate structure App 20060001050 - Wang; Bin ;   et al. | 2006-01-05 |
Storing and retrieving a query parameter Q used for inventorying RFID tags App 20050280506 - Lobanov, Vadim Pavlovich ;   et al. | 2005-12-22 |
Inventorying RFID tags by employing a query parameter Q that converges heuristically App 20050280507 - Diorio, Christopher J. ;   et al. | 2005-12-22 |
Inventorying RFID tags by employing a query parameter Q that is adjusted for improving App 20050280505 - Humes, Todd E. ;   et al. | 2005-12-22 |
RFID joint acquisition of time sync and timebase App 20050269408 - Esterberg, Aanand ;   et al. | 2005-12-08 |
RFID readers and RFID tags communicating using extensible bit vectors App 20050270189 - Kaplan, David ;   et al. | 2005-12-08 |
Decoding with memory in RFID system App 20050270185 - Esterberg, Aanand | 2005-12-08 |
RFID tag systems, RFID tags and RFID processes with reverse link burst mode App 20050237159 - Cooper, Scott Anthony ;   et al. | 2005-10-27 |
RFID tag systems, RFID tags and RFID processes with branch node indexing App 20050237157 - Cooper, Scott Anthony ;   et al. | 2005-10-27 |
RFID tag systems, RFID tags and RFID processes using N-ary FSK App 20050237158 - Cooper, Scott Anthony ;   et al. | 2005-10-27 |
Adaptable bandwidth RFID tags App 20050225435 - Diorio, Christopher J. ;   et al. | 2005-10-13 |
RFID tags adjusting to different regulatory environments, and RFID readers to so adjust them and methods App 20050099270 - Diorio, Christopher J. ;   et al. | 2005-05-12 |
High-voltage CMOS-compatible capacitors App 20050093094 - Diorio, Christopher J. ;   et al. | 2005-05-05 |
High-voltage CMOS-compatible capacitors App 20050030702 - Diorio, Christopher J. ;   et al. | 2005-02-10 |
NCAGE Code | 3FB72 | IMPINJ INC |
CAGE Code | 3FB72 | IMPINJ, INC |
SEC | 0001114995 | IMPINJ INC of DELAWARE |
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