Inventor · disambiguated record
Jack H. Chang
Also filed as: CHANG JACK · CHANG JACK H
52 granted patents·17 pending applications·1,172 citations·filing 1990–2020
98Inventor score
Top patents by PatentIndex Score
69 records- 0198US8370874B1Subscription and channel management technologyPURPLECOMM INC·Filed 2010·Granted Feb 5, 2013·86 cites·21 claims
- 0296US8831409B1Storage management technologyCHANG JACK H·Filed 2010·Granted Sep 9, 2014·33 cites·16 claims
- 0396US8671423B1Method for monitoring and controlling viewing preferences of a userCHANG JACK H·Filed 2010·Granted Mar 11, 2014·33 cites·27 claims
- 0495US8650283B1Content delivery technologyCHANG JACK H·Filed 2010·Granted Feb 11, 2014·31 cites·20 claims
- 0594US9374610B1Index channel technologyPURPLECOMM INC·Filed 2013·Granted Jun 21, 2016·20 cites·28 claims
- 0693US8745206B1Content monitoring and control technologyCHANG JACK H·Filed 2010·Granted Jun 3, 2014·22 cites·22 claims
- 0793US5974449AApparatus and method for providing multimedia messaging between disparate messaging platformsCARMEL CONNECTION INC·Filed 1997·Granted Oct 26, 1999·332 cites·7 claims
- 0892US8875172B1Content sorting and channel definition technologyCHANG JACK H·Filed 2010·Granted Oct 28, 2014·13 cites·22 claims
- 0992US8478836B1Proxy cache technologyCHANG JACK H·Filed 2010·Granted Jul 2, 2013·22 cites·18 claims
- 1092US8402495B1Content sequence technologyCHANG JACK H·Filed 2010·Granted Mar 19, 2013·11 cites·20 claims
- 1189US9288249B1Content interaction technologyPURPLECOMM INC·Filed 2013·Granted Mar 15, 2016·13 cites·23 claims
- 1289US8375409B2Meta channel based media system control technologyPURPLECOMM INC·Filed 2009·Granted Feb 12, 2013·9 cites·24 claims
- 1389US7369648B1Apparatus and method for PBX-integrated unified messaging services on a switched backbonePURPLECOMM INC·Filed 2000·Granted May 6, 2008·72 cites·63 claims
- 1488US9560423B1Method for monitoring and controlling viewing preferences of a userPURPLECOMM INC·Filed 2014·Granted Jan 31, 2017·7 cites·19 claims
- 1586US8726310B2Meta channel media system control and advertisement technologyCHANG JACK H·Filed 2009·Granted May 13, 2014·7 cites·18 claims
- 1685US8539057B2Website presenceCHANG JACK H·Filed 2008·Granted Sep 17, 2013·11 cites·52 claims
- 1785US6118864ASystem and method for providing communication on a wide area networkCARMEL CONNECTION INC·Filed 1997·Granted Sep 12, 2000·138 cites·91 claims
- 1884US8904422B1Subscription and channel management technologyPURPLECOMM INC·Filed 2013·Granted Dec 2, 2014·4 cites·20 claims
- 1984US8402497B2Meta channel network-based content download technologyCHANG JACK H·Filed 2009·Granted Mar 19, 2013·7 cites·19 claims
- 2081US9451295B2Meta channel media system control and advertisement technologyPURPLECOMM INC·Filed 2016·Granted Sep 20, 2016·2 cites·19 claims
- 2179US9288522B1Content sequence technologyPURPLECOMM INC·Filed 2015·Granted Mar 15, 2016·2 cites·20 claims
- 2279US9258577B2Meta channel media system control and advertisement technologyPURPLECOMM INC·Filed 2015·Granted Feb 9, 2016·2 cites·20 claims
- 2379US8601512B2Meta channel network-based content download technologyPURPLECOMM INC·Filed 2013·Granted Dec 3, 2013·3 cites·14 claims
- 2478US8990852B2Meta channel media system control and advertisement technologyPURPLECOMM INC·Filed 2014·Granted Mar 24, 2015·2 cites·16 claims
- 2578US8769580B2Meta channel based media system control technologyPURPLECOMM INC·Filed 2013·Granted Jul 1, 2014·2 cites·20 claims
- 2677US8458746B2Meta channel caching and instant viewing related technologyCHANG JACK H·Filed 2009·Granted Jun 4, 2013·4 cites·23 claims
- 2772USD394047SScannerUMAX DATA SYSTEMS INC·Filed 1997·Granted May 5, 1998·17 cites·1 claims
- 2872US5710573AScaled video output overlaid onto a computer graphics outputWINBOND ELECTRONICS CORP·Filed 1995·Granted Jan 20, 1998·49 cites·26 claims
- 2971USD949386SMiniature vibratorCALIFORNIA EXOTIC NOVELTIES LLC·Filed 2020·Granted Apr 19, 2022·5 cites·1 claims
- 3071US6159132AOval-tracked exercise deviceFiled 1999·Granted Dec 12, 2000·45 cites·3 claims
- 3170US9336527B2Collaborative website presenceCHANG JACK H·Filed 2008·Granted May 10, 2016·1 cites·88 claims
- 3270US9258585B1Subscription and channel management technologyPURPLECOMM INC·Filed 2014·Granted Feb 9, 2016·1 cites·20 claims
- 3370USD415825SFaucetDYNAFLO IND CORPORATION·Filed 1997·Granted Oct 26, 1999·17 cites·1 claims
- 3468US7177908B1System and method for managing multimedia messaging platformsCALUMET KEWEENAW LLC·Filed 2002·Granted Feb 13, 2007·12 cites·44 claims
- 3567USD463015SFaucetEVERTEK IND INC·Filed 2001·Granted Sep 17, 2002·17 cites·1 claims
- 3667US5068932ABaby crib with slidably lockable fence memberCHANG JACK·Filed 1990·Granted Dec 3, 1991·52 cites·2 claims
- 3764US9077762B1Content monitoring and control technologyPURPLECOMM INC·Filed 2013·Granted Jul 7, 2015·1 cites·20 claims
- 3862US2014317661A1Meta Channel Based Media System Control TechnologyPURPLECOMM INC·Filed 2014·Application pending·0 cites
- 3961US8769582B2Meta channel based media system control technologyPURPLECOMM INC·Filed 2014·Granted Jul 1, 2014·0 cites·20 claims
- 4061US2009277064A1Multi-function diversified photo frame formed by way of simple vacuum moldingCHANG JACK·Filed 2008·Application pending·0 cites
- 4160US2010198742A1Online Social EncounteringPURPLECOMM INC·Filed 2009·Application pending·0 cites
- 4259US9357249B1Content sorting and channel definition technologyPURPLECOMM INC·Filed 2014·Granted May 31, 2016·0 cites·18 claims
- 4359US9185459B1Storage management technologyPURPLECOMM INC·Filed 2014·Granted Nov 10, 2015·0 cites·12 claims
- 4459US9003459B1Content sequence technologyPURPLECOMM INC·Filed 2013·Granted Apr 7, 2015·0 cites·20 claims
- 4559US8607274B2Meta channel based media system control technologyPURPLECOMM INC·Filed 2013·Granted Dec 10, 2013·0 cites·20 claims
- 4659US2019060796A1Centrifugal filterLIS AUTOMATIC CONTROLLED CO LTD·Filed 2018·Application pending·0 cites
- 4757US7062035B2Community dialing circuit apparatus for pots phone and IP phoneLEADTEK RESEARCH INC·Filed 2003·Granted Jun 13, 2006·3 cites·8 claims
- 4857US2016255134A1Collaborative Website PresencePURPLECOMM INC·Filed 2016·Application pending·0 cites
- 4957US2009210352A1Website presence marketplacePURPLECOMM INC A DELAWARE CORP·Filed 2008·Application pending·0 cites
- 5056US9137565B1Meta channel caching and instant viewing related technologyPURPLECOMM INC·Filed 2013·Granted Sep 15, 2015·0 cites·20 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →