Inventor · disambiguated record
Michael Chang
Also filed as: CHANG MICHAEL · CHANG MICHAEL A · CHANG MICHAEL ALAN
22 granted patents·6 pending applications·435 citations·filing 2001–2024
95Inventor score
Files withWESTERN DIGITAL TECH INC8KENNEDY SEAN PATRICK4CHANG MICHAEL ALAN2NIANTIC INC2STRYKER EUROPEAN OPERATIONS HOLDINGS LLC2
Top patents by PatentIndex Score
28 records- 0196US8780477B1Disk drive adjusting servo timing to compensate for transient when crossing a servo zone boundaryGUO WEI·Filed 2012·Granted Jul 15, 2014·88 cites·22 claims
- 0294US9053712B1Data storage device reading servo sector while writing data sectorWESTERN DIGITAL TECH INC·Filed 2014·Granted Jun 9, 2015·27 cites·26 claims
- 0394US8576506B1Disk drive estimating reader/writer gap across servo zonesWANG HONGE·Filed 2012·Granted Nov 5, 2013·114 cites·22 claims
- 0494US8086757B2Intelligent gateway for heterogeneous peer-to-peer home automation networksCHANG MICHAEL ALAN·Filed 2010·Granted Dec 27, 2011·49 cites·21 claims
- 0593US8190275B2Peer-to-peer home automation managementCHANG MICHAEL ALAN·Filed 2009·Granted May 29, 2012·73 cites·20 claims
- 0692US9025269B1Disk drive compensating for cycle slip of disk locked clock when reading mini-wedgeWESTERN DIGITAL TECH INC·Filed 2014·Granted May 5, 2015·20 cites·18 claims
- 0789US10291610B2System and method for biometric authentication using social networkVISA INT SERVICE ASS·Filed 2015·Granted May 14, 2019·11 cites·17 claims
- 0888US9129630B1Data storage device employing full servo sectors on first disk surface and mini servo sectors on second disk surfaceWESTERN DIGITAL TECH INC·Filed 2014·Granted Sep 8, 2015·12 cites·24 claims
- 0983US10820917B2Pedicle subtraction osteotomy guideSTRYKER EUROPEAN OPERATIONS HOLDINGS LLC·Filed 2018·Granted Nov 3, 2020·5 cites·17 claims
- 1075US8934186B1Data storage device estimating servo zone to reduce size of track addressWESTERN DIGITAL TECH INC·Filed 2014·Granted Jan 13, 2015·3 cites·12 claims
- 1174US8982503B1Disk drive generating feed-forward compensation value based on two points of a sinusoidal control signalWESTERN DIGITAL TECH INC·Filed 2013·Granted Mar 17, 2015·3 cites·30 claims
- 1268US9454989B1Disk drive adjusting estimated servo state to compensate for transient when crossing a servo zone boundaryWESTERN DIGITAL TECH INC·Filed 2015·Granted Sep 27, 2016·2 cites·6 claims
- 1366US8941945B1Data storage device servoing heads based on virtual servo tracksWESTERN DIGITAL TECH INC·Filed 2014·Granted Jan 27, 2015·1 cites·26 claims
- 1465US12513224B2Push gateway for player density map generation in a mobile gaming applicationNIANTIC INC·Filed 2024·Granted Dec 30, 2025·0 cites·20 claims
- 1565US8995075B1Disk drive adjusting estimated servo state to compensate for transient when crossing a servo zone boundaryCHANG MICHAEL·Filed 2012·Granted Mar 31, 2015·1 cites·14 claims
- 1662US9088489B2Simplified activation and management of wireless wide area network (WWAN) accountKENNEDY SEAN PATRICK·Filed 2010·Granted Jul 21, 2015·2 cites·11 claims
- 1761US10681043B2System and method for biometric authentication using social networkVISA INT SERVICE ASS·Filed 2019·Granted Jun 9, 2020·0 cites·19 claims
- 1859US11979471B2Push gateway for push notifications in a mobile gaming applicationNIANTIC INC·Filed 2022·Granted May 7, 2024·0 cites·22 claims
- 1959US11589941B2Pedicle subtraction osteotomy guideSTRYKER EUROPEAN OPERATIONS HOLDINGS LLC·Filed 2020·Granted Feb 28, 2023·0 cites·20 claims
- 2049US9153263B1Disk drive detecting mini wedge by evaluating wedge ID of servo sectorWESTERN DIGITAL TECH INC·Filed 2014·Granted Oct 6, 2015·0 cites·14 claims
- 2148US6631990B2System for measuring distances in the anterior chamber of the eyeACMED INC·Filed 2001·Granted Oct 14, 2003·24 cites·39 claims
- 2246US9940359B2Data-partitioned secondary index (DPSI) partition level joinIBM·Filed 2014·Granted Apr 10, 2018·0 cites·15 claims
- 2343US2012039513A1Leveraging social networking for media sharingKENNEDY SEAN PATRICK·Filed 2010·Application pending·0 cites
- 2441US2012158935A1Method and systems for managing social networksKISHIMOTO TOYOAKI·Filed 2010·Application pending·0 cites
- 2534US2012117271A1Synchronization of Data in a Distributed Computing EnvironmentKENNEDY SEAN PATRICK·Filed 2010·Application pending·0 cites
- 2633US2012081286A1Alerting user to shortcuts on computerKENNEDY SEAN PATRICK·Filed 2010·Application pending·0 cites
- 2732US2012136565A1Filtering social networking information to provide customized mappingKENNEDY SEAN P·Filed 2010·Application pending·0 cites
- 2830US2012072752A1Method and apparatus for providing power management enhancementsKENNEDY SEAN·Filed 2010·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →