Inventor

Ornan Gerstel

Inventor
Los Altos, CA, US

Overview

63→
Patents
1998–2020
Patent span
Electricity
Primary field (CPC H)

Patents· 63 as inventor

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

H04Jprimary
H04JMultiplex communication31%
H04QSelecting26%
H04LTransmission of digital information, e.g. telegraphic communication18%
H04BTransmission15%
G02BOptical elements, systems or apparatus3%
Y02DClimate change mitigation technologies in information and communication technologies [ict], i.e. information and communication technologies aiming at the reduction of their own energy use2%
H03MCoding1%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications1%
G01BMeasuring length, thickness or similar linear dimensions1%
G01MTesting static or dynamic balance of machines or structures1%
PatentTitleYear
10,594,394Systems and methods for managing multi-layer communication networks202010,530,471Systems and methods for managing multi-layer communication networks202010,516,476Systems and methods for managing multilayer communication networks201910,484,267Systems and methods for managing multi-layer communication networks201910,313,005Systems and methods for managing multilayer communication networks20199,698,910'Network server layer providing disjoint channels in response to client-layer disjoint path requests'20179,634,924'Server-layer shared link risk group analysis to identify potential client-layer network connectivity loss'20179,621,260'Proactive optical restoration system'20179,391,704'Replacing an existing network communications path with a new path using some exclusive physical resources of the existing path'20169,258,174'Server-layer path negotiation between client and server network layers'20169,154,859'Proactive optical restoration system'20159,088,354'Power save mode for lightpaths'20159,049,266'Network server layer providing disjoint channels in response to client-layer disjoint path requests'20159,014,562'Optical line terminal arrangement, apparatus and methods'20158,971,706'Link discovery, verification, and failure isolation in an optical communication system'20158,923,699'Optical switching architectures for nodes in WDM mesh and ring networks'20148,914,711'Variable forward error correction for optical communication links'20148,903,241'Registration of device characteristics with optical layer for use in establishing connections through an optical network'20148,902,758'Light path priority in dense wavelength division multiplexed networks'20148,830,989'Automatic configuration of packet network services over dense wavelength division multiplex communication links using optical transport network frames'20148,831,423'Optical switching architectures for nodes in WDM mesh and ring networks'20148,743,679'Client diversity policy sharing with the transport layer'20148,724,984'Automated notification of upcoming network disruptive maintenance events to allow traffic to be rerouted'20148,724,990'Power save mode for lightpaths'20148,565,598'Selecting an optical path for a new connection with the minimum number of optical regenerators'20138,521,026'Registration of device characteristics with optical layer for use in establishing connections through an optical network'20138,463,127'Optical switching architectures for nodes in WDM mesh and ring networks'20138,045,853'Mechanism for tracking wavelengths in a DWDM network without specialized hardware'20118,023,825'Optical switching architectures for nodes in WDM mesh and ring networks'20117,983,558'Optical control plane determination of lightpaths in a DWDM network'20117,930,616'Variable forward error correction for optical communication links'20117,924,875'Variable priority of network connections for preemptive protection'20117,924,746'Method for separation of packet network+optical management domains'20117,865,078'Processing of optical performance data in an optical wavelength division multiplexed communication system'20117,808,623'Measurement of optical fiber length and determination of chromatic dispersion over the optical fiber'20107,773,539'Method for separation of IP+optical management domains'20107,724,676'Proactive protection mechanism based on advanced failure warning'20107,715,715'Shared optical ring protection in a multi-fiber ring'20107,634,196'Optical add/drop multiplexer with reconfigurable add wavelength selective switch'20097,613,392'1:N protection in an optical terminal'20097,542,653'Passive fiber organizer for mesh network node interconnections'20097,376,350'Methods and apparatus for optical network management using pilot tones'20087,369,772'Optical line terminal arrangement, apparatus and methods'20087,231,145'Processing of optical performance data in an optical wavelength division multiplexed communication system'20077,181,138'Optical network connection test apparatus and methods'20077,123,832'Methods and apparatus for optical network management using pilot tones'20067,116,860'Coupler add/drop node WDM network architecture with periodic cleanup'20067,110,668'Optical network connection test apparatus and methods'20067,099,578'1:N protection in an optical terminal'20067,054,262'Line-level path protection in the optical layer'20067,016,607'Methods and apparatus for optical network management using pilot tones'20066,985,653'Strictly non-blocking switch core having optimized switching architecture based on reciprocity conditions'20066,898,376'Optical ring protection apparatus and methods'20056,853,763'Photonic switching including photonic pass-through and add/drop capabilities'20056,785,438'Strictly non-blocking optical switch core having optimized switching'20046,721,508'Optical line terminal arrangement, apparatus and methods'20046,591,028'Strictly non-blocking switch core having optimized switching architecture based on reciprocity conditions'20036,366,713'Strictly non-blocking optical switch core having optimized switching architecture based on reciprocity conditions'20026,256,293'Fault management in a multichannel transmission system'20016,141,325'Paradigm for enabling interoperability between different subnetworks'20005,867,289'Fault detection for all-optical add-drop multiplexer'19995,793,746'Fault-tolerant multichannel multiplexer ring configuration'19985,729,527'Fault management in a multichannel transmission system'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2011Patents assigned to TELLABS OPERATIONS INC (19)· patent assignee history
2002–2011Based in Cupertino, CA, US· patent location history
2004–2008Based in New York, NY, US· patent location history
2005–2015Based in Los Altos, CA, US· patent location history
2006–2017Patents assigned to CISCO TECH INC (33)· patent assignee history
2013–2017Patents assigned to GERSTEL ORNAN ALEXANDER (8)· patent assignee history
2013–2014Patents assigned to GERSTEL ORNAN (7)· patent assignee history
2013–2020Based in Herzliya, IL· patent location history
2013–2017Based in Herzelia, IL· patent location history
2014–2017Patents assigned to FILSFILS CLARENCE (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CISCO TECH INC332006–2017
TELLABS OPERATIONS INC191998–2011
GERSTEL ORNAN ALEXANDERself82013–2017
GERSTEL ORNANself72013–2014
FILSFILS CLARENCE62014–2017
Locations
LocationPatentsSpan
Los Altos, California, US242005–2015
Herzliya, IL102013–2020
Herzelia, IL82013–2017
Cupertino, California, US72002–2011
New York, New York, US62004–2008