Inventor · disambiguated record
Johannes Steffens
Also filed as: STEFFENS JOHANNES · STEFFENS JOHANNES B · STEFFENS JOHANNES BERNHARD
29 granted patents·3 pending applications·1,871 citations·filing 1998–2024
96Inventor score
Top patents by PatentIndex Score
32 records- 0197US6301370B1Face recognition from video imagesEYEMATIC INTERFACES INC·Filed 1998·Granted Oct 9, 2001·771 cites·42 claims
- 0296US8831362B1Estimating age using multiple classifiersGOOGLE INC·Filed 2013·Granted Sep 9, 2014·84 cites·22 claims
- 0396US6580811B2Wavelet-based facial motion capture for avatar animationEYEMATIC INTERFACES INC·Filed 2001·Granted Jun 17, 2003·256 cites·12 claims
- 0496US6272231B1Wavelet-based facial motion capture for avatar animationEYEMATIC INTERFACES INC·Filed 1998·Granted Aug 7, 2001·443 cites·24 claims
- 0593US8358811B2Method and apparatus to incorporate automatic face recognition in digital image collectionsGOOGLE INC·Filed 2009·Granted Jan 22, 2013·82 cites·24 claims
- 0693US7697735B2Image based multi-biometric system and methodGOOGLE INC·Filed 2005·Granted Apr 13, 2010·50 cites·17 claims
- 0792US8498491B1Estimating age using multiple classifiersSTEFFENS JOHANNES·Filed 2011·Granted Jul 30, 2013·41 cites·20 claims
- 0889US8249361B1Interdependent learning of template map and similarity metric for object identificationSTEFFENS JOHANNES B·Filed 2010·Granted Aug 21, 2012·28 cites·21 claims
- 0989US6917703B1Method and apparatus for image analysis of a gabor-wavelet transformed image using a neural networkNEVENGINEERING INC·Filed 2001·Granted Jul 12, 2005·85 cites·24 claims
- 1087US11143683B1Measuring method and measuring arrangementROHDE & SCHWARZ·Filed 2020·Granted Oct 12, 2021·2 cites·17 claims
- 1181US12075590B2Rack for receiving electronic devices, in particular measuring devices or serversROHDE & SCHWARZ·Filed 2022·Granted Aug 27, 2024·1 cites·14 claims
- 1280US8897508B2Method and apparatus to incorporate automatic face recognition in digital image collectionsGOOGLE INC·Filed 2012·Granted Nov 25, 2014·6 cites·30 claims
- 1379US9780890B2Wireless measuring system and method for measurement of a device under test with an antenna-array, considering maximum gain direction of the antenna arrayROHDE & SCHWARZ·Filed 2016·Granted Oct 3, 2017·3 cites·17 claims
- 1477US11894882B2Measurement system and measurement methodROHDE & SCHWARZ·Filed 2021·Granted Feb 6, 2024·1 cites·17 claims
- 1572US11789038B2Probe, measuring system and method for applying a probeROHDE & SCHWARZ·Filed 2022·Granted Oct 17, 2023·0 cites·17 claims
- 1671US11503019B2Multiuser measurement system and method for operating a multiuser measurement systemROHDE & SCHWARZ·Filed 2019·Granted Nov 15, 2022·1 cites·18 claims
- 1771US8903138B1Face recognition using pre-templatesSTEFFENS JOHANNES·Filed 2011·Granted Dec 2, 2014·5 cites·40 claims
- 1871US7868634B2Probe or measuring head with illumination of the contact regionROHDE & SCHWARZ·Filed 2006·Granted Jan 11, 2011·7 cites·12 claims
- 1963US10285082B2Testing device and method for testing a device under test with respect to its beamforming behaviorROHDE & SCHWARZ·Filed 2017·Granted May 7, 2019·1 cites·15 claims
- 2061US12276689B2Measurement system and method for testing an objectROHDE & SCHWARZ·Filed 2023·Granted Apr 15, 2025·0 cites·20 claims
- 2161US9491646B2Measuring device and a method for measuring a signal with several component signalsFRANKE JENS·Filed 2012·Granted Nov 8, 2016·2 cites·17 claims
- 2260US2025102609A1Measurement device, especially vector network analyzer, calibrationROHDE & SCHWARZ·Filed 2024·Application pending·0 cites
- 2359US11340257B2Probe, measuring system and method for applying a probeROHDE & SCHWARZ·Filed 2019·Granted May 24, 2022·0 cites·14 claims
- 2457US2025334623A1Test and/or measurement systemROHDE & SCHWARZ·Filed 2024·Application pending·0 cites
- 2553US10955450B2System and method for real-time visualization of radiation patternROHDE & SCHWARZ·Filed 2019·Granted Mar 23, 2021·0 cites·21 claims
- 2653US2025217063A1Test instrument with integrated model data baseROHDE & SCHWARZ·Filed 2023·Application pending·0 cites
- 2750US7092456B2Process for synchronizationROHDE & SCHWARZ·Filed 2001·Granted Aug 15, 2006·1 cites·12 claims
- 2848US9678153B2Method for determining time differences between signals measured by at least two coupled measuring devices and measurement system and corresponding switching deviceSTEFFENS JOHANNES·Filed 2008·Granted Jun 13, 2017·1 cites·12 claims
- 2947US11700719B2Nonuniform air gridROHDE & SCHWARZ·Filed 2022·Granted Jul 11, 2023·0 cites·8 claims
- 3045US8718125B2Apparatus and method for determining and representing a synchronization statusSTEFFENS JOHANNES·Filed 2007·Granted May 6, 2014·0 cites·28 claims
- 3144US11474137B2Test systemROHDE & SCHWARZ·Filed 2020·Granted Oct 18, 2022·0 cites·19 claims
- 3243US11432422B2Electrical device with a modular structureROHDE & SCHWARZ·Filed 2019·Granted Aug 30, 2022·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →