Inventor · disambiguated record
Pi Sheng Chang
Also filed as: CHANG PI SHENG
17 granted patents·2 pending applications·503 citations·filing 1998–2015
93Inventor score
Top patents by PatentIndex Score
19 records- 0193US6469732B1Acoustic source location using a microphone arrayVTEL CORP·Filed 1998·Granted Oct 22, 2002·366 cites·8 claims
- 0292US8265162B2Context adaptive position and amplitude coding of coefficients for video compressionTIAN DIHONG·Filed 2008·Granted Sep 11, 2012·14 cites·21 claims
- 0388US7949195B2Per block breakpoint determining for hybrid variable length codingCISCO TECH INC·Filed 2007·Granted May 24, 2011·9 cites·23 claims
- 0487US8144784B2Position coding for context-based adaptive variable length codingTIAN DIHONG·Filed 2007·Granted Mar 27, 2012·10 cites·26 claims
- 0583US8041131B2Variable length coding of coefficient clusters for image and video compressionCISCO TECH INC·Filed 2008·Granted Oct 18, 2011·8 cites·25 claims
- 0682US9001072B2Asymmetric multi-row touch panel scanningSOBEL DAVID A·Filed 2012·Granted Apr 7, 2015·7 cites·20 claims
- 0780US8121427B2Breakpoint determining for hybrid variable length coding and encoding the determined breakpointTIAN DIHONG·Filed 2007·Granted Feb 21, 2012·4 cites·20 claims
- 0880US6618073B1Apparatus and method for avoiding invalid camera positioning in a video conferenceVTEL CORP·Filed 1998·Granted Sep 9, 2003·72 cites·16 claims
- 0976US8670485B2Context adaptive position and amplitude coding of coefficients for video compressionTIAN DIHONG·Filed 2012·Granted Mar 11, 2014·2 cites·20 claims
- 1074US8036471B2Joint amplitude and position coding of coefficients for video compressionCISCO TECH INC·Filed 2008·Granted Oct 11, 2011·4 cites·20 claims
- 1172US9058078B2High-accuracy touch positioning for touch panelsWEAVER GLEN·Filed 2012·Granted Jun 16, 2015·5 cites·20 claims
- 1268US8204327B2Context adaptive hybrid variable length codingLI JUNLIN·Filed 2008·Granted Jun 19, 2012·2 cites·25 claims
- 1360US9369702B2Context adaptive position and amplitude coding of coefficients for videoCISCO TECH INC·Filed 2014·Granted Jun 14, 2016·0 cites·18 claims
- 1456US8135071B2Breakpoint determining for hybrid variable length coding using relationship to neighboring blocksTIAN DIHONG·Filed 2007·Granted Mar 13, 2012·0 cites·27 claims
- 1556US8126062B2Per multi-block partition breakpoint determining for hybrid variable length codingTIAN DIHONG·Filed 2007·Granted Feb 28, 2012·0 cites·23 claims
- 1653US8576915B2Position coding for context-based adaptive variable length codingTIAN DIHONG·Filed 2012·Granted Nov 5, 2013·0 cites·20 claims
- 1752US8520965B2Context adaptive hybrid variable length codingLI JUNLIN·Filed 2012·Granted Aug 27, 2013·0 cites·18 claims
- 1846US2015253890A1Asymmetric Multi-Row Touch Panel ScanningBROADCOM CORP·Filed 2015·Application pending·0 cites
- 1944US2015242021A1High-Accuracy Touch Positioning for Touch PanelsBROADCOM CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →