Inventor · disambiguated record
Ching-Fang Chang
Also filed as: CHANG CHING-FANG
20 granted patents·3 pending applications·861 citations·filing 1994–2025
96Inventor score
Files withSONY CORP14SONY ELECTRONICS INC4CHAN YU CHUN2CHUAN FEI YANG BRICK DEV CO LTD1SONY CORPORTION1
Top patents by PatentIndex Score
23 records- 0194US6671319B1Methods and apparatus for motion estimation using neighboring macroblocksSONY CORP·Filed 2000·Granted Dec 30, 2003·75 cites·52 claims
- 0293US6483876B1Methods and apparatus for reduction of prediction modes in motion estimationSONY CORP·Filed 2000·Granted Nov 19, 2002·63 cites·12 claims
- 0391US6690728B1Methods and apparatus for motion estimation in compressed domainSONY CORP·Filed 2000·Granted Feb 10, 2004·50 cites·44 claims
- 0489US6996176B1Motion estimation process and system using sparse search block-matching and integral protectionSONY ELECTRONICS INC·Filed 2000·Granted Feb 7, 2006·34 cites·2 claims
- 0588US5974196AMethod and apparatus for blocking effect reduction in imagesSONY CORP·Filed 1996·Granted Oct 26, 1999·116 cites·21 claims
- 0687US6130912AHierarchical motion estimation process and system using block-matching and integral projectionSONY ELECTRONICS INC·Filed 1998·Granted Oct 10, 2000·105 cites·32 claims
- 0786US6128047AMotion estimation process and system using sparse search block-matching and integral projectionSONY CORP·Filed 1998·Granted Oct 3, 2000·82 cites·25 claims
- 0883US5933542AMethod and apparatus for blocking effect reduction in images by post-processing in the spatial domainSONY CORP·Filed 1996·Granted Aug 3, 1999·80 cites·26 claims
- 0982US5543932ADigital video signal recording apparatus and digital video signal reproducing apparatusSONY CORP·Filed 1994·Granted Aug 6, 1996·55 cites·17 claims
- 1076US5881180AMethod and apparatus for the reduction of blocking effects in imagesSONY CORP·Filed 1996·Granted Mar 9, 1999·54 cites·17 claims
- 1176US5684917AApparatus and method for recording and reproducing digital video data in a variable-speed modeSONY CORP·Filed 1994·Granted Nov 4, 1997·34 cites·22 claims
- 1276US2025313732A1Water-soluble adhesive mixtureCHUAN FEI YANG BRICK DEV CO LTD·Filed 2025·Application pending·0 cites
- 1368US2023242796A1Adhesive composition and water-soluble adhesive mixtureCHAN YU CHUN·Filed 2022·Application pending·0 cites
- 1465US5675666AImage data compression method and apparatus with pre-processing to compensate for the blocky effectSONY CORPORTION·Filed 1995·Granted Oct 7, 1997·31 cites·17 claims
- 1565US2024102090A1Method for multimodal profiling of individual extracellular vesiclesWELLSIM BIOMEDICAL TECH INC·Filed 2023·Application pending·0 cites
- 1656US6266375B1Method and apparatus for selecting a quantization table for encoding a digital imageSONY CORP·Filed 1997·Granted Jul 24, 2001·18 cites·32 claims
- 1753US6111989A1/4 size real time decoding of digital videoSONY CORP·Filed 1997·Granted Aug 29, 2000·16 cites·30 claims
- 1852US6137916AMethod and system for improved digital video data processing using 8-point discrete cosine transformsSONY ELECTRONICS INC·Filed 1997·Granted Oct 24, 2000·26 cites·56 claims
- 1940US5926604AApparatus and method for recording and reproducing digital video dataSONY CORP·Filed 1997·Granted Jul 20, 1999·6 cites·22 claims
- 2039US6104838A1/16 size real time decoding of digital videoSONY CORP·Filed 1997·Granted Aug 15, 2000·6 cites·32 claims
- 2135US6215909B1Method and system for improved digital video data processing using 4-point discrete cosine transformsSONY ELECTRONICS INC·Filed 1997·Granted Apr 10, 2001·8 cites·36 claims
- 2226US6377627B1Method and apparatus for decoding MPEG video dataSONY CORP·Filed 1999·Granted Apr 23, 2002·2 cites·24 claims
- 2325USD1058339SHandle for toolCHAN YU CHUN·Filed 2022·Granted Jan 21, 2025·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →