Inventor · disambiguated record
Chengjie Tu
Also filed as: TU CHENGJIE
64 granted patents·3 pending applications·543 citations·filing 2004–2025
99Inventor score
Files withMICROSOFT TECHNOLOGY LICENSING LLC22QUALCOMM INC15MICROSOFT CORP13TU CHENGJIE7SRINIVASAN SRIDHAR4
Top patents by PatentIndex Score
67 records- 0199US11343503B2Flexible quantizationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2021·Granted May 24, 2022·8 cites·20 claims
- 0299US10958907B2Flexible quantizationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2020·Granted Mar 23, 2021·11 cites·20 claims
- 0398US11902525B2Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Feb 13, 2024·3 cites·20 claims
- 0498US11528481B2Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2021·Granted Dec 13, 2022·4 cites·20 claims
- 0598US10306227B2Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2016·Granted May 28, 2019·14 cites·20 claims
- 0697US11863749B2Flexible quantizationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Jan 2, 2024·3 cites·20 claims
- 0797US11843775B2Flexible quantizationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Dec 12, 2023·3 cites·20 claims
- 0897US11778187B2Flexible quantizationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Oct 3, 2023·3 cites·13 claims
- 0997US11778186B2Flexible quantizationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2022·Granted Oct 3, 2023·3 cites·13 claims
- 1097US11122268B2Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2019·Granted Sep 14, 2021·10 cites·20 claims
- 1197US8213503B2Skip modes for inter-layer residual video coding and decodingTU CHENGJIE·Filed 2008·Granted Jul 3, 2012·55 cites·29 claims
- 1296US10602146B2Flexible QuantizationMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2018·Granted Mar 24, 2020·8 cites·16 claims
- 1396US9967561B2Flexible quantizationMICROSOFT CORP·Filed 2014·Granted May 8, 2018·13 cites·22 claims
- 1496US9571840B2Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Feb 14, 2017·14 cites·34 claims
- 1596US9185418B2Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2014·Granted Nov 10, 2015·11 cites·20 claims
- 1696US8897359B2Adaptive quantization for enhancement layer video codingREGUNATHAN SHANKAR·Filed 2008·Granted Nov 25, 2014·22 cites·20 claims
- 1796US7933337B2Prediction of transform coefficients for image compressionMICROSOFT CORP·Filed 2005·Granted Apr 26, 2011·33 cites·30 claims
- 1896US7305139B2Reversible 2-dimensional pre-/post-filtering for lapped biorthogonal transformMICROSOFT CORP·Filed 2005·Granted Dec 4, 2007·41 cites·20 claims
- 1995US9571856B2Conversion operations in scalable video encoding and decodingSUN SHIJUN·Filed 2008·Granted Feb 14, 2017·24 cites·20 claims
- 2095US8964854B2Motion-compensated prediction of inter-layer residualsMICROSOFT CORP·Filed 2014·Granted Feb 24, 2015·19 cites·20 claims
- 2195US8711925B2Flexible quantizationTU CHENGJIE·Filed 2006·Granted Apr 29, 2014·15 cites·17 claims
- 2294US7551789B2Reversible overlap operator for efficient lossless data compressionMICROSOFT CORP·Filed 2008·Granted Jun 23, 2009·20 cites·12 claims
- 2393US9883187B2Fast video encoding method with block partitioningQUALCOMM INC·Filed 2015·Granted Jan 30, 2018·9 cites·21 claims
- 2493US8515194B2Signaling and uses of windowing information for imagesSRINIVASAN SRIDHAR·Filed 2007·Granted Aug 20, 2013·15 cites·23 claims
- 2591US7949054B2Flexible data organization for imagesMICROSOFT CORP·Filed 2006·Granted May 24, 2011·11 cites·18 claims
- 2690US9877024B2Low complexity sample adaptive offset (SAO) codingQUALCOMM INC·Filed 2015·Granted Jan 23, 2018·6 cites·30 claims
- 2790US8184710B2Adaptive truncation of transform coefficient data in a transform-based digital media codecSRINIVASAN SRIDHAR·Filed 2007·Granted May 22, 2012·13 cites·18 claims
- 2890US8179974B2Multi-level representation of reordered transform coefficientsTU CHENGJIE·Filed 2008·Granted May 15, 2012·13 cites·29 claims
- 2989US9491458B2Scalable video coding prediction with non-causal informationQUALCOMM INC·Filed 2013·Granted Nov 8, 2016·9 cites·38 claims
- 3088US8953673B2Scalable video coding and decoding with sample bit depth and chroma high-pass residual layersTU CHENGJIE·Filed 2008·Granted Feb 10, 2015·11 cites·20 claims
- 3188US8107571B2Parameterized filters and signaling techniquesSULLIVAN GARY J·Filed 2007·Granted Jan 31, 2012·18 cites·31 claims
- 3288US8054886B2Signaling and use of chroma sample positioning informationMICROSOFT CORP·Filed 2007·Granted Nov 8, 2011·11 cites·42 claims
- 3388US7428342B2Reversible overlap operator for efficient lossless data compressionMICROSOFT CORP·Filed 2004·Granted Sep 23, 2008·28 cites·23 claims
- 3487US9344718B2Adaptive up-sampling filter for scalable video codingQUALCOMM INC·Filed 2013·Granted May 17, 2016·7 cites·42 claims
- 3587US8711948B2Motion-compensated prediction of inter-layer residualsTU CHENGJIE·Filed 2008·Granted Apr 29, 2014·9 cites·15 claims
- 3686US12301815B2Determining chroma quantization parameter using index and quantization parameter of spatially neighboring unitMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2024·Granted May 13, 2025·0 cites·20 claims
- 3786US12301813B2Predicting a quantization parameter for a current unit using quantization parameters of spatially neighboring unitsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2023·Granted May 13, 2025·0 cites·20 claims
- 3886US12301814B2Predicting a quantization parameter for a current unit using quantization parameters of spatially neighboring unitsMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2024·Granted May 13, 2025·0 cites·20 claims
- 3986US12301816B2Determining chroma quantization parameter using index and quantization parameter of spatially neighboring unitMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2024·Granted May 13, 2025·0 cites·20 claims
- 4086US12301817B2Determining chroma quantization parameter using index and quantization parameter of spatially neighboring unitMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2024·Granted May 13, 2025·0 cites·20 claims
- 4186US9386306B2Enhancement layer scan order derivation for scalable video codingQUALCOMM INC·Filed 2013·Granted Jul 5, 2016·6 cites·35 claims
- 4284US10382791B2Data structure for video coding unitQUALCOMM INC·Filed 2015·Granted Aug 13, 2019·4 cites·34 claims
- 4384US9420285B2Inter-layer mode derivation for prediction in scalable video codingQUALCOMM INC·Filed 2013·Granted Aug 16, 2016·5 cites·39 claims
- 4483US2025280123A1Adaptive quantization for enhancement layer video codingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2025·Application pending·0 cites
- 4580US10250905B2Conversion operations in scalable video encoding and decodingMICROSOFT TECHNOLOGY LICENSING LLC·Filed 2017·Granted Apr 2, 2019·2 cites·20 claims
- 4680US9123089B2Signaling and uses of windowing information for imagesMICROSOFT CORP·Filed 2013·Granted Sep 1, 2015·3 cites·23 claims
- 4778US9420280B2Adaptive upsampling filtersQUALCOMM INC·Filed 2013·Granted Aug 16, 2016·3 cites·33 claims
- 4877US9219913B2Inferred base layer block for TEXTURE—BL mode in HEVC based single loop scalable video codingQUALCOMM INC·Filed 2013·Granted Dec 22, 2015·3 cites·19 claims
- 4976US8724916B2Reducing DC leakage in HD photo transformMICROSOFT CORP·Filed 2013·Granted May 13, 2014·2 cites·14 claims
- 5075US8406307B2Entropy coding/decoding of hierarchically organized dataTU CHENGJIE·Filed 2008·Granted Mar 26, 2013·4 cites·27 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →