LexDanaLexDanabeta
Inventor

Nicholas J. Frigo

Inventor
Red Bank, NJ, US

Overview

87→
Patents
1987–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 87 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Bprimary
H04BTransmission23%
H04JMultiplex communication22%
G02BOptical elements, systems or apparatus14%
H04QSelecting14%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%
G01MTesting static or dynamic balance of machines or structures8%
H04LTransmission of digital information, e.g. telegraphic communication5%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light3%
H04NPictorial communication, e.g. television1%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body1%
PatentTitleYear
10,341,031Reduction of photodiode nonlinearities by adaptive biasing201910,168,247Method, apparatus and system for minimally intrusive fiber identification20199,797,807'Method, apparatus and system for minimally intrusive fiber identification'20179,768,876'Method of suppressing polarization-dependent loss in polarization-modulated photonic links'20179,534,982'Method, apparatus and system for minimally intrusive fiber identification'20179,243,973'Method, apparatus and system for minimally intrusive fiber identification'20168,811,780'Method, apparatus and system for minimally intrusive fiber identification'20148,619,807'High-capacity packet-switched ring network'20138,543,007'Method and apparatus for broadband mitigation of polarization mode dispersion'20138,532,485'System and method for operating transparent node for WDM shared “virtual ring” networks'20138,306,052'High-capacity packet-switched ring network'20128,068,733'Method for operating transparent node for WDM shared “virtual ring” networks'20118,023,774'Method, apparatus and system for minimally intrusive fiber identification'20117,956,993'Method for increasing accuracy of measurement of mean polarization mode dispersion'20117,869,716'Method and apparatus for broadband mitigation of polarization mode dispersion'20117,860,393'System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion, of RF service bands within wavelength bands'20107,852,467'Method for increasing accuracy of measurement of mean polarization mode dispersion'20107,844,179'Method for operating transparent node for WDM shared “virtual ring” networks'20107,805,076'High-capacity packet-switched network'20107,792,407'Optical devices with multiple wafers containing planar optical waveguides'20107,773,207'Estimating optical transmission system penalties induced by polarization mode dispersion (PMD)'20107,725,028'Method for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion of RF service bands with wavelength bands'20107,587,142'Method for estimating the polarization mode dispersion compliant capacity fraction of the total optical frequency transmission window of a transport system'20097,546,039'Systems, devices, and methods for controlling outage probabilities'20097,466,919'System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion, of RF service bands within wavelength bands'20087,454,139'High-capacity packet-switched ring network'20087,450,847'System for transparent node for WDM shared “virtual ring” networks'20087,450,846'Method for operating transparent node for WDM shared ‘virtual ring’ networks'20087,437,031'Optical devices with multiple wafers containing planar optical waveguides'20087,414,711'Estimating optical transmission system penalties induced by polarization mode dispersion (PMD)'20087,366,417'Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch'20087,362,932'Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides'20087,319,817'System for transparent node for WDM shared “virtual ring” networks'20087,292,322'Method for increasing accuracy of measurement of mean polarization mode dispersion'20077,286,761'Method of flexible multiple broadcast service delivery over a WDM passive optical network based on RF Block-conversion of RF service bands within wavelength bands'20077,283,688'Method, apparatus and system for minimally intrusive fiber identification'20077,256,876'Estimating optical transmission system penalties induced by polarization mode dispersion (PMD)'20077,200,303'Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides'20077,190,899'Method for providing high connectivity communications over a packet-switched optical ring network using composite packets'20077,174,107'Method and apparatus for measuring frequency-resolved states of polarization of a working optical channel using polarization-scrambled heterodyning'20077,164,826'Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides'20077,158,722'Method for operating transparent node for WDM shared “virtual ring” networks'20077,095,912'Technique for mitigation of polarization mode dispersion in fiber optic transmission links'20067,092,631'System for providing high connectivity communications over a packet-switched optical ring network using composite packets'20067,085,454'Method for fabricating optical devices by assembling multiple wafers containing planar optical waveguides'20067,085,495'System for flexible multiple broadcast service delivery over a WDM passive optical network based on RF block-conversion of RF service bands within wavelength bands'20067,085,494'High-capacity packet-switched ring network'20067,046,931'Method for providing high connectivity communications over a packet-switched optical ring network using composite packets'20067,042,559'Fault location apparatus and procedures in CWDM business applications using wavelength selective OTDR'20067,031,559'Technique for mitigation of polarization mode dispersion in fiber optic transmission links'20067,027,733'Delivering multicast services on a wavelength division multiplexed network using a configurable four-port wavelength selective crossbar switch'20067,006,767'System for transparent node for WDM shared “virtual ring” networks'20066,961,483'Technique for mitigation of polarization mode dispersion in fiber optic transmission links'20056,925,259'MAC protocol for optical packet-switched ring network'20056,871,020'Power spectrum monitoring and management in a wavelength division multiplexed network'20056,856,711'Technique for mitigation of polarization mode dispersion in fiber optic transmission links'20056,751,372'Four-port wavelength-selective crossbar switches (4WCS) using reciprocal WDM MUX-DEMUX and optical circulator combination'20046,697,574'Multiple input waveguide grating router for broadcast and multicast services'20046,577,422'Long reach delivery of broadcast services using broadband optical sources and pre-compensation dispersion'20036,498,673'Micro-machined tunable delay line'20026,466,342'Optical transmission system and method using an optical carrier drop/add transceiver'20026,445,485'Micro-machine polarization-state controller'20026,381,047'Passive optical network using a fabry-perot laser as a multiwavelength source'20026,307,654'Optical node system for a ring architecture and method thereof'20016,222,654'Optical node system for a ring architecture and method thereof'20016,118,565'Coherent optical communication system'20006,014,477'Article comprising a photostrictive switching element'20005,907,417'Passive optical network with diagnostic loop-back'19995,815,295'Optical communication system with improved maintenance capabilities'19985,808,764'Multiple star, passive optical network based on remote interrogation of terminal equipment'19985,790,287'Optical communication system with improved maintenance capabilities'19985,790,293'Systems for monitoring optical path characteristics in an optical communication system'19985,760,940'Methods for monitoring optical path characteristics in an optical communication system'19985,742,414'Multiplicity of services via a wavelength division router'19985,710,648'Optical communication system and remote sensor interrogation'19985,708,753'Method of recovering from a fiber-cable cut using random splicing reconnection'19985,694,234'Wavelength division multiplexing passive optical network including broadcast overlay'19975,680,234'Passive optical network with bi-directional optical spectral slicing and loop-back'19975,625,733'Arrangement for interconnecting an optical fiber to an optical component'19975,574,584'Wavelength division multiplexing passive optical network with bi-directional optical spectral slicing'19965,559,624'Communication system based on remote interrogation of terminal equipment'19965,521,734'One-dimensional optical data arrays implemented within optical networks'19965,504,606'Low power optical network unit'19965,502,587'Network comprising a space division photonic switch and a terminal which forms an output signal from an input signal'19964,776,700'Switched state fiber optic gyroscope'19884,761,049'Optical waveguide device for frequency shifting and mode conversion'19884,653,915'Method for reduction of polarization fading in interferometers'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–2010Patents assigned to AT & T CORP (42)· patent assignee history
1996–2001Patents assigned to LUCENT TECHNOLOGIES INC (17)· patent assignee history
1996–2001Based in Atlantic Highlands, NJ, US· patent location history
2000–2013Based in Red Bank, NJ, US· patent location history
2005–2019Based in Little Silver, NJ, US· patent location history
2007–2014Patents assigned to FRIGO NICHOLAS J (9)· patent assignee history
2007–2013Based in Annapolis, MD, US· patent location history
2008–2013Patents assigned to SMILJANIC ALEKSANDRA (6)· patent assignee history
2009–2019Patents assigned to AT & T IP II LP (19)· patent assignee history
2017–2019Based in Silver Spring, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AT & T CORP421996–2010
AT & T IP II LP192009–2019
LUCENT TECHNOLOGIES INC171996–2001
FRIGO NICHOLAS Jself92007–2014
SMILJANIC ALEKSANDRA62008–2013
Locations
LocationPatentsSpan
Red Bank, New Jersey, US402000–2013
Atlantic Highlands, New Jersey, US171996–2001
Little Silver, New Jersey, US162005–2019
Annapolis, Maryland, US62007–2013
Silver Spring, Maryland, US22017–2019