Inventor · Corvallis, OR, US

Stephen D. Panshin

53Patents
6h-index
28Co-inventors
68Inventor score

Filing activity: May 29, 2008 → Jul 14, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US9561662B2 Supply authentication via timing challenge response Electricity 37 Active
US9852282B2 Protecting data in memory of a consumable product Physics 34 Active
US11034157B2 Logic circuitry Electricity 29 Active
US10875318B1 Logic circuitry Physics 29 Active
US10894423B2 Logic circuitry Electricity 29 Active
US9770915B1 Replaceable item authentication Electricity 6 Active
US10740275B1 Logic circuitry for use with a replaceable print apparatus component Electricity 5 Active
US11068434B2 Logic circuitry for a replicable print cartridge Electricity 3 Active
US9893893B2 Replaceable item authentication Electricity 3 Active
US9781305B1 Replaceable item authentication Electricity 3 Active
US9878555B2 Supply authentication via timing challenge response Physics 2 Active
US10940693B1 Logic circuitry Physics 2 Active
US9599945B2 Methods and systems for determining authenticity of a consumable product Physics 2 Active
US9882899B2 Remotely authenticating a device Electricity 2 Active
US11250146B2 Logic circuitry Physics 2 Active
US11048791B2 Digitally signed data Electricity 1 Active
US11366913B2 Logic circuitry Electricity 1 Active
US10423109B2 System and method for managing subscription and trade based printer supplies Physics 1 Active
US10277399B2 Replaceable item authentication Electricity 1 Active
US11429554B2 Logic circuitry package accessible for a time period duration while disregarding inter-integrated circuitry traffic Performing Operations; Transporting 1 Active
US11020976B2 Supply authentication via timing challenge response Electricity 1 Active
US11479046B2 Logic circuitry for sensor data communications Physics 1 Active
US11625493B2 Logic circuitry Physics 0 Active
US11407229B2 Logic circuitry package Performing Operations; Transporting 0 Active
US9961234B1 Replaceable item authentication Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.