IMPINJ, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 6537
 
  
 
H04Q SELECTING 5955
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 51147
 
  
 
1403 COMMUNICATIONS EQUIPMENT, WIRELESS REMOTE CONTROLS AND RADIO AMPLIFIERS2645
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 16431
 
  
 
H04B TRANSMISSION 16194
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1091
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 10275
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 9353
 
  
 
G06Q DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR 8166

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9916483 Tag-handle-based authentication of RFID readersAug 18, 17Mar 13, 18[H04L, G06Q, H04W, G06K]
9916484 RFID tag location using synthesized-beam RFID readersMay 05, 17Mar 13, 18[G06Q, G06K]
9911018 RFID tags with digital signature subportionsSep 18, 13Mar 06, 18[H04Q, G06K]
9886658 Impedance-change mitigation in RFID tagsJun 24, 16Feb 06, 18[G06K]
9887843 RFID tags with dynamic key replacementDec 21, 16Feb 06, 18[H04L, G06Q, H04W, G06K]
9881186 Weak RFID tag signal recovery from collisionsJun 20, 17Jan 30, 18[H04Q, G06K]
9881473 RFID loss-prevention using angle-of-arrivalApr 06, 16Jan 30, 18[G08B, G06F, G06K]
9875438 RFID integrated circuits with antenna contacts on multiple surfacesFeb 04, 16Jan 23, 18[G06K]
9852319 Inventory-cycle-based RFID tag locationJul 01, 16Dec 26, 17[G06Q, G06K]
9846833 High-speed RFID tag assembly using impulse heatingJul 09, 14Dec 19, 17[H01Q, G06K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0248,604 RFID INTEGRATED CIRCUITS AND TAGS WITH ANTENNA CONTACTS ON MULTIPLE SURFACESAbandonedMay 16, 15Sep 03, 15[H01Q, G06K]
2015/0227,832 RFID INTEGRATED CIRCUITS WITH ANTENNA CONTACTS ON MULTIPLE SURFACESAbandonedAug 23, 13Aug 13, 15[G06K]
2014/0144,992 RFID INTEGRATED CIRCUITS AND TAGS WITH ANTENNA CONTACTS ON MULTIPLE SURFACESAbandonedSep 10, 12May 29, 14[G06K]
2014/0070,010 RFID INTEGRATED CIRCUITS WITH ANTENNA CONTACTS ON MULTIPLE SURFACESAbandonedAug 23, 13Mar 13, 14[G06K]
2013/0163,640 RFID READERS CO-EXISTING WITH OTHER ISM-BAND DEVICESAbandonedFeb 26, 13Jun 27, 13[H04B]
2009/0216,835 GROUP MUTEAbandonedFeb 22, 08Aug 27, 09[G06F]
2009/0203,363 MOBILE WIRELESS TERMINAL DEVICEAbandonedJun 11, 07Aug 13, 09[H04M]
2008/0266,098 RFID READERS CO-EXISTING WITH OTHER ISM-BAND DEVICESAbandonedMar 26, 08Oct 30, 08[H04B]
2008/0258,878 FACILITATING RFID TAGS TO REFRAIN FROM PARTICIPATING IN A SUBSEQUENT INVENTORYING ATTEMPTAbandonedMar 28, 08Oct 23, 08[H04Q]
2008/0200,371 THIAZOLE AND THIADIAZOLE INHIBITORS OF TYROSINE PHOSPHATASESAbandonedMar 28, 08Aug 21, 08[A61K, C07F, C07D, A61P]
2008/0048,833 RFID READER SYSTEM AIDED BY RF POWER OF MEASUREMENTAbandonedJan 11, 07Feb 28, 08[H04B]
2008/0048,867 Discontinuous-Loop RFID Reader Antenna And MethodsAbandonedJan 16, 07Feb 28, 08[G08B, H01Q]
2008/0046,492 RFID READER SYSTEMS WITH DIGITAL RATE CONVERSIONAbandonedJan 11, 07Feb 21, 08[G06F]
2007/0236,331 Preventing timeout of RFID tag in timed state of air-interface protocolAbandonedAug 11, 06Oct 11, 07[H04Q]
2007/0220,737 INTEGRATED CIRCUIT TEST RESULT COMMUNICATIONAbandonedSep 06, 06Sep 27, 07[G08B, H04Q, H01R, G01R]
2007/0218,571 Disabling poorly testing RFID ICsAbandonedSep 11, 06Sep 20, 07[H01L, G01R]
2007/0177,738 Secure two-way RFID communicationsAbandonedFeb 17, 06Aug 02, 07[H04K]
2007/0180,009 RFID tag with random number generator having a noise-based inputAbandonedFeb 15, 06Aug 02, 07[G06F]
2007/0136,584 Handling legitimate and unauthorized items in supply chain according to authentication of their RFID tagsAbandonedDec 11, 06Jun 14, 07[H04L]
2007/0136,585 Determining authentication of RFID tags for indicating legitimacy of their associated itemsAbandonedDec 11, 06Jun 14, 07[H04L]

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