name:-0.20563697814941
name:-0.83938908576965
name:-0.074116945266724
Impinj, Inc. Patent Filings

Impinj, Inc.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Impinj, Inc..The latest application filed is for "rfid tag location using synthesized-beam rfid readers".

Company Profile
53.200.87
  • Impinj, Inc. - Seattle WA
  • IMPINJ, INC - Seattle WA
  • Impinj, Inc. -
  • Impinj, Inc. - 701 N. 34th Street Suite 300 Seattle WA
  • IMPINJ, Inc. - Suite 100 501 N. 34th Street Seattle WA
  • Impinj, Inc. - 501 N. 34th Street Seattle WA
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Trademarks
Patent Activity
PatentDate
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
Company Registrations

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