Inventor · disambiguated record
Chang Feng
Also filed as: FENG CHANG · FENG CHANG-YUNG
10 granted patents·8 pending applications·42 citations·filing 2001–2018
86Inventor score
Top patents by PatentIndex Score
18 records- 0180US9277208B2System and method for estimating quality of video with frame freezing artifactsOOVOO LLC·Filed 2013·Granted Mar 1, 2016·5 cites·17 claims
- 0276US7978381B2Automatic document feeder with mechanism to discriminate document typesPRIMAX ELECTRONICS LTD·Filed 2007·Granted Jul 12, 2011·6 cites·10 claims
- 0373US9635315B2Video conferencing over IP networksOOVOO LLC·Filed 2015·Granted Apr 25, 2017·2 cites·62 claims
- 0469US7511866B2Multiple resolution image sensor and control method thereofTRANSPACIFIC PLASMA LLC·Filed 2005·Granted Mar 31, 2009·3 cites·27 claims
- 0568US9883139B2Video conferencing over IP networksKRUSH TECH LLC·Filed 2017·Granted Jan 30, 2018·1 cites·20 claims
- 0667US9615056B2System and method for video communication on mobile devicesFENG CHANG·Filed 2011·Granted Apr 4, 2017·3 cites·28 claims
- 0761US7733519B2Compensation method of digital image dataFENG CHANG-YUNG·Filed 2005·Granted Jun 8, 2010·4 cites·17 claims
- 0860USD569887SVideo cameraFENG CHANG·Filed 2007·Granted May 27, 2008·18 cites·1 claims
- 0952US10182205B2Video conferencing over IP networksKRUSH TECH LLC·Filed 2018·Granted Jan 15, 2019·0 cites·20 claims
- 1045US8054507B2Image data luminance compensating method and sheet-feeding scanning apparatus using such methodPRIMAX ELECTRONICS LTD·Filed 2008·Granted Nov 8, 2011·0 cites·19 claims
- 1144US2015103885A1Real time ip video transmission with high resilience to network errorsOOVOO LLC·Filed 2014·Application pending·0 cites
- 1243US2014344493A1Usb interface detection devicePRIMAX ELECTRONICS LTD·Filed 2013·Application pending·0 cites
- 1343US2007279713A1Contact image sensor for generating multi-resolutionsPRIMAX ELECTRONICS LTD·Filed 2006·Application pending·0 cites
- 1442US2017208291A1System and method for video communication on mobile devicesKRUSH TECH LLC·Filed 2017·Application pending·0 cites
- 1538US2008215669A1System and Method for Peer-to-Peer Connection of Clients Behind Symmetric FirewallsGADDY WILLIAM·Filed 2005·Application pending·0 cites
- 1638US2002031280A1Complex image processing device with serial bus switching abilityFiled 2001·Application pending·0 cites
- 1735US2003201677A1Step motor with multiple statorsFiled 2002·Application pending·0 cites
- 1830US2007270137A1System and method for publishing electronic content between wireless and wired networksFENG CHANG·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →