Thomas Duthel — 15 Patents at Cisco

Thomas Duthel has been granted 15 US patents while listed as an inventor at Cisco. The first was granted in 2014 and the most recent in April 2024. Thomas Duthel ranks #307,048 of 4,157,543 US inventors in our database (top 7.4%). Patent records list Thomas Duthel in Nuremberg, DE.

Patents per Year

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Showing 1–15 of 15 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
11949498	Optical modulator	Helmut Preisach	2024-04-02	$74,581,000
11342999	Method and apparatus for pre-distorting an input signal for an optical transmitter	Soeren Gehrke	2022-05-24	$49,751,000
9991953	Transmitter self-calibration of time delay and frequency response for high baud-rate QAM transceivers	Christopher Fludger	2018-06-05	$25,460,000
9935715	Calibrating an apparatus supporting pluggable optics	—	2018-04-03	$31,905,000
9935720	Control of LO signal frequency offset between optical transmitters and receivers	Christopher Fludger, Joerg Leykauf, Karsten Michaelsen	2018-04-03	$31,905,000
9735876	Calibrating an apparatus supporting pluggable optics	—	2017-08-15	$22,866,000
9735888	Control of LO signal frequency offset between optical transmitters and receivers	Christopher Fludger, Joerg Leykauf, Karsten Michaelsen	2017-08-15	$22,866,000
9716555	Common mode rejection ratio control for coherent optical receivers	Juergen Hauenschild, Theodor Kupfer	2017-07-25	$29,969,000
9712247	Low bit rate signaling with optical IQ modulators	—	2017-07-18	$26,765,000
9337937	Common mode rejection ratio control for coherent optical receivers	Juergen Hauenschild, Theodor Kupfer	2016-05-10	$18,881,000
9197327	Optical communication transmitter system	Jonas Geyer	2015-11-24	$24,283,000
9136948	Electrical modulator driver circuit for generating multi-level drive signals for QAM optical transmission	Juergen Hauenschild, Chris Fludger	2015-09-15	$26,180,000
9124363	Digital frequency offset monitor for coherently detected optical superchannels	Jonas Geyer	2015-09-01	$25,757,000
8948609	Pre-distortion techniques for optical modulators to improve constellation point separation	James Whiteaway, Jonas Geyer	2015-02-03	$17,448,000
8638489	Filter-less generation of coherent optical subcarriers	James Whiteaway	2014-01-28	$23,551,000

Thomas Duthel — 15 Patents

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