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Christopher Doerr

AT AT&T: 88 patents #101 of 18,772Top 1%
AC Acacia Communications: 86 patents #1 of 55Top 2%
Alcatel Lucent: 51 patents #15 of 4,169Top 1%
AS Aloe Semiconductor: 7 patents #1 of 2Top 50%
UN Unknown: 6 patents #2,010 of 83,584Top 3%
AG Agere Systems Optoelectronics Guardian: 5 patents #4 of 115Top 4%
AG Agere Systems Guardian: 3 patents #85 of 810Top 15%
DL Draper Laboratory: 1 patents #495 of 921Top 55%
UO University Of Oregon: 1 patents #40 of 113Top 40%
TH Triquint Technology Holding: 1 patents #47 of 141Top 35%
CI Cisco: 1 patents #7,901 of 13,007Top 65%
AS Agere Systems: 1 patents #984 of 1,849Top 55%
AT Acacia Technology: 1 patents #1 of 8Top 15%
GE Gemfire: 1 patents #22 of 36Top 65%
MT Massachusetts Inst. Of Technology: 1 patents #5 of 17Top 30%
MIT: 1 patents #4,386 of 9,367Top 50%
📍 Irvine, CA: #4 of 6,241 inventorsTop 1%
🗺 California: #328 of 386,348 inventorsTop 1%
Overall (All Time): #1,862 of 4,157,543Top 1%
257
Patents All Time

Issued Patents All Time

Showing 226–250 of 257 patents

Patent #TitleCo-InventorsDate
6351581 Optical add-drop multiplexer having an interferometer structure Yuan Li 2002-02-26
6327401 Multifrequency laser system Charles H. Joyner, Lothar Benedict Erhard Josef Moeller, Martin Zirngibl 2001-12-04
6304350 Temperature compensated multi-channel, wavelength-division-multiplexed passive optical network Charles H. Joyner, Rene Henri Monnard, Lawrence Warren Stulz, Martin Zirngibl 2001-10-16
6304380 Reducing polarization dependency of optical apparatus 2001-10-16
6275317 Hybrid integration of a wavelength selectable laser source and optical amplifier/modulator John Evan Johnson, Charles H. Joyner, Leonard Jan-Peter Ketelsen, Uziel Koren, Dirk Joachim Muehlner +2 more 2001-08-14
6266460 Large-channel-count programmable wavelength add-drop 2001-07-24
6259833 Optical cross connect using a planar arrangement of beam steerers Corrado Dragone 2001-07-10
6252711 Polarization diversity for birefingent filters Jay N. Damask 2001-06-26
6243402 Multi-frequency rapidly tunable laser 2001-06-05
6240118 Multichannel laser transmitter with a single output port Charles H. Joyner 2001-05-29
6236781 Duplicated-port waveguide grating router having substantially flat passbands Randy Clinton Giles 2001-05-22
6219471 Optical device having equal length waveguide paths 2001-04-17
6212315 Channel power equalizer for a wavelength division multiplexed system 2001-04-03
6172781 Wave division multiplexed optical network 2001-01-09
6141467 Wavelength-division-multiplexing programmable add/drop using interleave-chirped waveguide grating router 2000-10-31
6088144 Detection of frequency-modulated tones in electromagnetic signals 2000-07-11
6055250 Multifrequency laser having reduced wave mixing Charles H. Joyner, Rene Henri Monnard, Lawrence Warren Stulz 2000-04-25
6049640 Wavelength-division-multiplexing cross-connect using angular dispersive elements and phase shifters 2000-04-11
5987050 Laser transmitter based on a coupler and having a controlled output port Charles H. Joyner 1999-11-16
5923449 Optically restorable WDM ring network using simple add/drop circuitry Bernard Glance, Ivan P. Kaminow 1999-07-13
5913000 Method and apparatus for guiding optical signals Martin Zirngibl, Charles H. Joyner 1999-06-15
5909522 Chirped waveguide grating router with focal length adjustment Masataka Shirasaki 1999-06-01
5909294 Full-duplex wavelength division multiplexing system using single-device transceivers Bernard Glance, Kang-Yih Liou 1999-06-01
5881079 Wavelength selectable laser with inherent and single-mode stability Charles H. Joyner 1999-03-09
5845022 Double-chirped waveguide grating router with angled ports 1998-12-01