Inventor
DRAGONE CORRADO
US47 patents
⚠️ This page may combine multiple inventors who share the name “DRAGONE CORRADO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AT & T BELL LAB
18 patentsUS5136671AAug 4, 1992
Optical switch, multiplexer, and demultiplexer
AT & T BELL LAB403 citations99
US5002350AMar 26, 1991
Optical multiplexer/demultiplexer
AT & T BELL LAB270 citations99
US4516130AMay 7, 1985
Antenna arrangements using focal plane filtering for reducing sidelobes
AT & T BELL LAB162 citations99
US4482899ANov 13, 1984
Wide bandwidth hybrid mode feeds
AT & T BELL LAB232 citations99
US5243672ASep 7, 1993
Planar waveguide having optimized bend
AT & T BELL LAB87 citations96
US5208885AMay 4, 1993
Optical fiber to strip waveguide interconnect
AT & T BELL LAB50 citations93
US5039993AAug 13, 1991
Periodic array with a nearly ideal element pattern
AT & T BELL LAB35 citations93
US4482897ANov 13, 1984
Multibeam segmented reflector antennas
AT & T BELL LAB38 citations93
US5212758AMay 18, 1993
Planar lens and low order array multiplexer
AT & T BELL LAB46 citations92
US5235658AAug 10, 1993
Method and apparatus for connecting an optical fiber to a strip waveguide
AT & T BELL LAB8 citations74
US4607260AAug 19, 1986
Asymmetrically configured horn antenna
AT & T BELL LAB12 citations74
US4533919AAug 6, 1985
Corrugated antenna feed arrangement
AT & T BELL LAB11 citations74
US4491848AJan 1, 1985
Substantially frequency-independent aberration correcting antenna arrangement
AT & T BELL LAB13 citations74
US4631545ADec 23, 1986
Antenna arrangement capable of astigmatism correction
AT & T BELL LAB5 citations63
US4607259AAug 19, 1986
Adaptive antenna for reducing multipath fades
AT & T BELL LAB6 citations63
US4503435AMar 5, 1985
Multibeam antenna arrangement with minimal astigmatism and coma
AT & T BELL LAB6 citations63
US4484197ANov 20, 1984
Multibeam antenna arrangement with minimal astignatism and coma
AT & T BELL LAB3 citations63
US4482898ANov 13, 1984
Antenna feed arrangement for correcting for astigmatism
AT & T BELL LAB6 citations60
LUCENT TECHNOLOGIES INC
12 patentsUS6058233AMay 2, 2000
Waveguide array with improved efficiency for wavelength routers and star couplers in integrated optics
LUCENT TECHNOLOGIES INC92 citations98
US6118909ASep 12, 2000
Athermal optical devices
LUCENT TECHNOLOGIES INC56 citations95
US6049644AApr 11, 2000
Optical routing device having a substantially flat passband
LUCENT TECHNOLOGIES INC27 citations93
US6023544AFeb 8, 2000
Monitoring with an optical wavelength router
LUCENT TECHNOLOGIES INC41 citations93
US5920663AJul 6, 1999
Optical waveguide router with controlled transmission characteristics
LUCENT TECHNOLOGIES INC44 citations93
US5926586AJul 20, 1999
Non-rectangular optical devices
LUCENT TECHNOLOGIES INC25 citations92
US5926587AJul 20, 1999
Optical passband filters
LUCENT TECHNOLOGIES INC26 citations91
US5625723AApr 29, 1997
Method for reducing birefringence in optical gratings
LUCENT TECHNOLOGIES INC19 citations90
US6023480AFeb 8, 2000
Fast tunable multiwavelength laser with folded imaging arrangement of nonoverlapping focal regions
LUCENT TECHNOLOGIES INC10 citations74
US5675592AOct 7, 1997
Rapidly tunable integrated laser
LUCENT TECHNOLOGIES INC13 citations74
US5629991AMay 13, 1997
Method for reducing birefringence in optical gratings
LUCENT TECHNOLOGIES INC7 citations74
US6907160B2Jun 14, 2005
Apparatus for filtering optical signals
LUCENT TECHNOLOGIES INC3 citations63
BELL TELEPHONE LABOR INC
7 patentsUS4468672AAug 28, 1984
Wide bandwidth hybrid mode feeds
BELL TELEPHONE LABOR INC166 citations99
US4203105AMay 13, 1980
Scanable antenna arrangements capable of producing a large image of a small array with minimal aberrations
BELL TELEPHONE LABOR INC51 citations93
US4144535AMar 13, 1979
Method and apparatus for substantially reducing cross polarized radiation in offset reflector antennas
BELL TELEPHONE LABOR INC20 citations82
US4439748AMar 27, 1984
Corrugated waveguide or feedhorn assembled from grooved pieces
BELL TELEPHONE LABOR INC13 citations74
US4425566AJan 10, 1984
Antenna arrangement for providing a frequency independent field distribution with a small feedhorn
BELL TELEPHONE LABOR INC14 citations74
US4250508AFeb 10, 1981
Scanning beam antenna arrangement
BELL TELEPHONE LABOR INC17 citations74
US4166276AAug 28, 1979
Offset antenna having improved symmetry in the radiation pattern
BELL TELEPHONE LABOR INC10 citations74
AT & T CORP
6 patentsUS5450511ASep 12, 1995
Efficient reflective multiplexer arrangement
AT & T CORP167 citations99
US5488680AJan 30, 1996
Frequency routing device having a wide and substantially flat passband
AT & T CORP59 citations96
US5467418ANov 14, 1995
Frequency routing device having a spatially filtered optical grating for providing an increased passband width
AT & T CORP65 citations96
US5412744AMay 2, 1995
Frequency routing device having a wide and substantially flat passband
AT & T CORP104 citations96
US5425116AJun 13, 1995
Tunable optical waveguide grating arrangement
AT & T CORP21 citations92
US5373517ADec 13, 1994
Rapidly tunable integrated laser
AT & T CORP30 citations92
AMERICAN TELEPHONE & TELEGRAPH
3 patentsUS4904042AFeb 27, 1990
N×N optical star coupler
AMERICAN TELEPHONE & TELEGRAPH69 citations96
US4730310AMar 8, 1988
Terrestrial communications system
AMERICAN TELEPHONE & TELEGRAPH29 citations92
US4786910ANov 22, 1988
Single reflector multibeam antenna arrangement with a wide field of view
AMERICAN TELEPHONE & TELEGRAPH14 citations74