Inventor · disambiguated record
Helmut Heidrich
Also filed as: HEIDRICH HELMUT
15 granted patents·320 citations·filing 1987–2013
93Inventor score
Top patents by PatentIndex Score
15 records- 0188US6061481AOptoelectronic circuitHERTZ INST HEINRICH·Filed 1996·Granted May 9, 2000·102 cites·27 claims
- 0279US9080953B2Optical resonator for sensor arrangement and measuring methodFRAUNHOFER GES FORSCHUNG·Filed 2012·Granted Jul 14, 2015·7 cites·14 claims
- 0379US5838844AIntegrated optical circuit comprising a polarization convertorPHILIPS CORP·Filed 1996·Granted Nov 17, 1998·64 cites·15 claims
- 0475US8857242B2Photoacoustic gas sensor and its useHEIDRICH HELMUT·Filed 2009·Granted Oct 14, 2014·7 cites·15 claims
- 0575US6240233B1Integrated optical beam spread transformerHERTZ INST HEINRICH·Filed 1997·Granted May 29, 2001·48 cites·9 claims
- 0670US5661825AIntegrated optical circuit comprising a polarization convertorPHILIPS CORP·Filed 1995·Granted Aug 26, 1997·38 cites·7 claims
- 0765US9097648B2Method of detecting molecules and optical sensorHEIDRICH HELMUT·Filed 2012·Granted Aug 4, 2015·1 cites·13 claims
- 0865US8682115B2Optical sensorHEIDRICH HELMUT·Filed 2009·Granted Mar 25, 2014·2 cites·16 claims
- 0963US4856094AArrangement for polarization control, such as for an optical heterodyne or homodyne receiverSIEMENS AG·Filed 1987·Granted Aug 8, 1989·26 cites·7 claims
- 1062US8483522B2Optical modulator, integrated optical circuit, and method for modulating an optical signalHEIDRICH HELMUT·Filed 2009·Granted Jul 9, 2013·4 cites·18 claims
- 1160US8823947B2Optical sensor and method for detecting moleculesHEIDRICH HELMUT·Filed 2010·Granted Sep 2, 2014·1 cites·14 claims
- 1257US4832431AApparatus for continuous polarization and phase controlSIEMENS AG·Filed 1987·Granted May 23, 1989·20 cites·15 claims
- 1344US9846060B2Optical sensor arrangement and method for measuring an observableFRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E V·Filed 2013·Granted Dec 19, 2017·0 cites·16 claims
- 1441US9677996B2Optical sensor arrangement including different scan times through a frequency interval for first and second light sourcesHEIDRICH HELMUT·Filed 2012·Granted Jun 13, 2017·0 cites·12 claims
- 1538US8665448B2Sensor arrangement and detection methodHEIDRICH HELMUT·Filed 2010·Granted Mar 4, 2014·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →