Inventor · disambiguated record
Stephen D. Panshin
Also filed as: PANSHIN STEPHEN · PANSHIN STEPHEN D · PANSHIN STEPHEN DANIEL
53 granted patents·5 pending applications·296 citations·filing 2008–2025
98Inventor score
Files withHEWLETT PACKARD DEVELOPMENT CO43HEWLETT PACKARD DEVELOPMENT CO LP11HELTERLINE BRIAN L1HEWLETT-PACKARD DEV COMPANY1PANSHIN STEPHEN D1
Top patents by PatentIndex Score
58 records- 0198US11034157B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2020·Granted Jun 15, 2021·29 cites·20 claims
- 0298US10875318B1Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Dec 29, 2020·31 cites·29 claims
- 0397US10894423B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jan 19, 2021·29 cites·25 claims
- 0497US9893893B2Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Feb 13, 2018·25 cites·18 claims
- 0597US9561662B2Supply authentication via timing challenge responseHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2013·Granted Feb 7, 2017·65 cites·12 claims
- 0696US10740275B1Logic circuitry for use with a replaceable print apparatus componentHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2019·Granted Aug 11, 2020·10 cites·29 claims
- 0796US9852282B2Protecting data in memory of a consumable productHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2013·Granted Dec 26, 2017·35 cites·20 claims
- 0896US9770915B1Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2017·Granted Sep 26, 2017·19 cites·14 claims
- 0995US11020976B2Supply authentication via timing challenge responseHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Jun 1, 2021·5 cites·8 claims
- 1094US11068434B2Logic circuitry for a replicable print cartridgeHEWLETT PACKARD DEVELOPMENT CO·Filed 2020·Granted Jul 20, 2021·3 cites·21 claims
- 1190US10940693B1Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Mar 9, 2021·3 cites·28 claims
- 1288US9781305B1Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2017·Granted Oct 3, 2017·5 cites·7 claims
- 1388US8205976B2Partition mapHELTERLINE BRIAN L·Filed 2011·Granted Jun 26, 2012·6 cites·15 claims
- 1485US11738562B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2022·Granted Aug 29, 2023·0 cites·20 claims
- 1584US11250146B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Feb 15, 2022·3 cites·29 claims
- 1683US11479046B2Logic circuitry for sensor data communicationsHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Oct 25, 2022·1 cites·19 claims
- 1783US11048791B2Digitally signed dataHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Jun 29, 2021·3 cites·20 claims
- 1881US11429554B2Logic circuitry package accessible for a time period duration while disregarding inter-integrated circuitry trafficHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Aug 30, 2022·1 cites·22 claims
- 1981US10372898B2Protecting data in memory of a consumable productHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Aug 6, 2019·2 cites·19 claims
- 2081US10277399B2Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Apr 30, 2019·2 cites·14 claims
- 2181US9327510B2Verification record for a replaceable supplySIMPSON SHELL S·Filed 2011·Granted May 3, 2016·3 cites·20 claims
- 2279US11513993B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2021·Granted Nov 29, 2022·0 cites·14 claims
- 2378US9599945B2Methods and systems for determining authenticity of a consumable productHEWLETT-PACKARD DEV COMPANY·Filed 2013·Granted Mar 21, 2017·5 cites·20 claims
- 2477US11001069B2Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted May 11, 2021·1 cites·20 claims
- 2573US11409487B2Power management in a logic circuitry packageHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Aug 9, 2022·1 cites·20 claims
- 2673US10423109B2System and method for managing subscription and trade based printer suppliesHEWLETT PACKARD DEVELOPMENT CO·Filed 2013·Granted Sep 24, 2019·1 cites·16 claims
- 2773US9882899B2Remotely authenticating a deviceHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2013·Granted Jan 30, 2018·3 cites·21 claims
- 2873US9878555B2Supply authentication via timing challenge responseHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2013·Granted Jan 30, 2018·3 cites·15 claims
- 2973US2020398579A1Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2020·Application pending·0 cites
- 3072US11513992B2Logic circuitry for print material supply cartridgesHEWLETT PACKARD DEVELOPMENT CO·Filed 2021·Granted Nov 29, 2022·0 cites·31 claims
- 3172US11366913B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Jun 21, 2022·1 cites·30 claims
- 3271US11256654B2Logic circuitry for print cartridgesHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Feb 22, 2022·0 cites·30 claims
- 3370US11625493B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2022·Granted Apr 11, 2023·0 cites·26 claims
- 3470US11427010B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Aug 30, 2022·0 cites·23 claims
- 3570US9961234B1Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted May 1, 2018·1 cites·13 claims
- 3667US11783023B2Digitally signed dataHEWLETT PACKARD DEVELOPMENT CO·Filed 2021·Granted Oct 10, 2023·0 cites·19 claims
- 3766US11479048B2Logic circuitry packageHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Oct 25, 2022·0 cites·23 claims
- 3866US11027554B2Supply authentication via timing challenge responseHEWLETT PACKARD DEVELOPMENT CO·Filed 2016·Granted Jun 8, 2021·0 cites·9 claims
- 3966US10680822B2Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Jun 9, 2020·0 cites·23 claims
- 4064US11123994B2Supply authentication via timing challenge responseHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Sep 21, 2021·0 cites·11 claims
- 4163US11407229B2Logic circuitry packageHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Aug 9, 2022·0 cites·23 claims
- 4263US10987936B2Supply authentication via timing challenge responseHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted Apr 27, 2021·0 cites·8 claims
- 4361US10944564B2Replaceable item authenticationHEWLETT PACKARD DEVELOPMENT CO·Filed 2019·Granted Mar 9, 2021·0 cites·19 claims
- 4460US12240245B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Mar 4, 2025·0 cites·22 claims
- 4560US11014370B2Supply authentication via timing challenge responseHEWLETT PACKARD DEVELOPMENT CO·Filed 2017·Granted May 25, 2021·0 cites·8 claims
- 4657US2025247236A1Logic circuitry packages storing tokensHEWLETT PACKARD DEVELOPMENT CO·Filed 2025·Application pending·0 cites
- 4755US11364716B2Logic circuitryHEWLETT PACKARD DEVELOPMENT CO·Filed 2018·Granted Jun 21, 2022·0 cites·24 claims
- 4855US2025323800A1Digital signatureHEWLETT PACKARD DEVELOPMENT CO·Filed 2025·Application pending·0 cites
- 4954US9811037B2Methods and systems for determining authenticity of a consumable productHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2017·Granted Nov 7, 2017·0 cites·20 claims
- 5053US9707784B2Replaceable printer componentHEWLETT PACKARD DEVELOPMENT CO LP·Filed 2016·Granted Jul 18, 2017·0 cites·19 claims
Showing the top 50 of 58 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →