Inventor · disambiguated record
Ralf Birken
Also filed as: BIRKEN RALF · BIRKEN RALF A
7 granted patents·1 pending application·173 citations·filing 2001–2016
87Inventor score
Top patents by PatentIndex Score
8 records- 0190US8909141B2Secure inductively-coupled communications systemsHANSEN THORKILD·Filed 2012·Granted Dec 9, 2014·18 cites·9 claims
- 0288US6735888B2Virtual camera on the bucket of an excavator displaying 3D images of buried pipesWITTEN TECHNOLOGIES INC·Filed 2002·Granted May 18, 2004·48 cites·13 claims
- 0383US7526384B2Method for correcting a 3D location measured by a tracking system assuming a vertical offsetWITTEN TECHNOLOGIES INC·Filed 2006·Granted Apr 28, 2009·25 cites·23 claims
- 0483US6766253B2Method for merging position information with measurements and filtering to obtain high-quality images that are positioned accurately with respect to global coordinatesWITTEN TECHNOLOGIES INC·Filed 2002·Granted Jul 20, 2004·57 cites·34 claims
- 0581US9377528B2Roaming mobile sensor platform for collecting geo-referenced data and creating thematic mapsBIRKEN RALF·Filed 2011·Granted Jun 28, 2016·18 cites·48 claims
- 0659US9891315B2Conformal and configurable millimeter-wave integrated array radar in a compact packageUNIV NORTHEASTERN·Filed 2013·Granted Feb 13, 2018·1 cites·19 claims
- 0745US2017115114A1Roaming mobile sensor platform for collecting geo-referenced data and creating thematic mapsUNIV NORTHEASTERN·Filed 2016·Application pending·0 cites
- 0843US6525539B2Apparatus and method for locating subsurface objects in conductive soils by measurements of magnetic fields by induced currents with an array of multiple receiversWITTEN TECHNOLOGIES INC·Filed 2001·Granted Feb 25, 2003·6 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →