Inventor · disambiguated record
Raghavan Manmatha
Also filed as: MANMATHA RAGHAVAN
30 granted patents·1 pending application·616 citations·filing 1997–2023
97Inventor score
Top patents by PatentIndex Score
31 records- 0197US9892344B1Activation layers for deep learning networksA9 COM INC·Filed 2015·Granted Feb 13, 2018·46 cites·20 claims
- 0297US8009928B1Method and system for detecting and recognizing text in imagesA9 COM INC·Filed 2008·Granted Aug 30, 2011·83 cites·25 claims
- 0397US7949191B1Method and system for searching for information on a network in response to an image query sent by a user from a mobile communications deviceA9 COM INC·Filed 2007·Granted May 24, 2011·115 cites·15 claims
- 0494US10013633B1Object retrievalA9 COM INC·Filed 2017·Granted Jul 3, 2018·21 cites·20 claims
- 0594US8756216B1Scalable tree builds for content descriptor searchRAMESH SUNIL·Filed 2010·Granted Jun 17, 2014·28 cites·26 claims
- 0693US11893012B1Content extraction using related entity group metadata from reference objectsAMAZON TECH INC·Filed 2021·Granted Feb 6, 2024·10 cites·20 claims
- 0793US9652838B1Object retrievalA9 COM INC·Filed 2014·Granted May 16, 2017·20 cites·20 claims
- 0893US9104700B1Method and system for searching for information on a network in response to an image query sent by a user from a mobile communications deviceA9 COM INC·Filed 2014·Granted Aug 11, 2015·21 cites·20 claims
- 0993US8644610B1Method and system for searching for information on a network in response to an image query sent by a user from a mobile communications deviceRAMKUMAR GURUMURTHY D·Filed 2012·Granted Feb 4, 2014·25 cites·20 claims
- 1093US8352483B1Scalable tree-based search of content descriptorsA9 COM INC·Filed 2010·Granted Jan 8, 2013·26 cites·26 claims
- 1192US11308354B1Residual context refinement network architecture for optical character recognitionAMAZON TECH INC·Filed 2020·Granted Apr 19, 2022·6 cites·20 claims
- 1289US8406507B2Method and system for representing image patchesRUZON MARK A·Filed 2009·Granted Mar 26, 2013·24 cites·36 claims
- 1388US10659787B1Enhanced compression of video dataAMAZON TECH INC·Filed 2018·Granted May 19, 2020·5 cites·20 claims
- 1487US8510312B1Automatic metadata identificationTHIBAUX ROMAIN·Filed 2007·Granted Aug 13, 2013·22 cites·30 claims
- 1587US8335402B1Method and system for detecting and recognizing text in imagesMANMATHA RAGHAVAN·Filed 2011·Granted Dec 18, 2012·16 cites·20 claims
- 1685US8249347B1Method and system for searching for information on a network in response to an image query sent by a user from a mobile communications deviceRAMKUMAR GURUMURTHY D·Filed 2011·Granted Aug 21, 2012·10 cites·19 claims
- 1784US9530069B2Method and system for detecting and recognizing text in imagesA9 COM INC·Filed 2015·Granted Dec 27, 2016·4 cites·20 claims
- 1881US12229179B1Mitigating bias in multimodal models via query transformationAMAZON TECH INC·Filed 2023·Granted Feb 18, 2025·1 cites·20 claims
- 1980US8943090B2Content collection search with robust content matchingDHUA ARNAB S·Filed 2012·Granted Jan 27, 2015·7 cites·18 claims
- 2079US5987456AImage retrieval by syntactic characterization of appearanceUNIV MASSCHUSETTS·Filed 1997·Granted Nov 16, 1999·98 cites·24 claims
- 2178US8332419B1Content collection search with robust content matchingDHUA ARNAB S·Filed 2010·Granted Dec 11, 2012·6 cites·20 claims
- 2275US8170289B1Hierarchical alignment of character sequences representing text of same sourceFENG SHAOLEI·Filed 2005·Granted May 1, 2012·10 cites·27 claims
- 2374US8958629B2Method and system for matching an image using image patchesA9 COM INC·Filed 2014·Granted Feb 17, 2015·3 cites·20 claims
- 2469US8705848B2Method and system for encoding an image using normalized feature vectorsA9 COM INC·Filed 2013·Granted Apr 22, 2014·2 cites·26 claims
- 2567US8977072B1Method and system for detecting and recognizing text in imagesA9 COM INC·Filed 2012·Granted Mar 10, 2015·2 cites·19 claims
- 2667US8549008B1Determining section information of a digital volumeWANG XUEFU·Filed 2008·Granted Oct 1, 2013·4 cites·27 claims
- 2767US2024152510A1Content extraction using related entity group metadata from reference objectsAMAZON TECH INC·Filed 2023·Application pending·0 cites
- 2865US9530076B2Method and system for matching an image using normalized feature vectorsA9 COM INC·Filed 2015·Granted Dec 27, 2016·1 cites·16 claims
- 2957US10366313B2Activation layers for deep learning networksA9 COM INC·Filed 2018·Granted Jul 30, 2019·0 cites·17 claims
- 3054US9721182B2Method and system for matching an image using normalized feature vectorsA9 COM INC·Filed 2016·Granted Aug 1, 2017·0 cites·20 claims
- 3151US10007680B2Content collection search with robust content matchingA9 COM INC·Filed 2015·Granted Jun 26, 2018·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →