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Inventor

Stephen Shew

Inventor
Kanata, CA

Overview

24→
Patents
2003–2019
Patent span
Electricity
Primary field (CPC H)

Patents· 24 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication45%
H04QSelecting27%
H04BTransmission12%
H04JMultiplex communication12%
H04MTelephonic communication4%
PatentTitleYear
10,425,153Generalized service protection systems and methods201910,069,570Multi-layer modem reclamation systems and methods201810,057,135Unified management of computing networks20189,831,977Photonic routing systems and methods computing loop-free topologies20179,509,428'Photonic routing systems and methods computing loop-free topologies'20169,264,254'Generalized service protection systems and methods'20169,106,446'Method and apparatus for assigning and allocating network resources to packet-based virtual private networks'20159,083,484'Software defined networking photonic routing systems and methods'20158,942,231'Communication between call controllers by amending call processing messages'20158,560,697'Method and apparatus for assigning and allocating network resources to layer 1 Virtual Private Networks'20138,509,618'Photonic routing systems and methods for loop avoidance'20138,300,625'Call control using a layered call model'20128,199,773'Method and apparatus for assigning and allocating network resources to packet-based virtual private networks'20128,135,846'Communication between call controllers by amending call processing messages'20128,125,925'Method and apparatus for non-disruptive call modification'20128,116,232'Method and apparatus for non-disruptive call modification'20128,005,964'Communication between call controllers by amending call processing messages'20117,787,494'Method and apparatus for assigning and allocating network resources to packet-based virtual private networks'20107,782,879'Method and system for multi-layer signaling across multiple control networks'20107,711,828'Communication between call controllers by amending call processing messages'20107,680,934'Method and apparatus for assigning and allocating network resources to layer 1 virtual private networks'20107,580,401'Method and apparatus for performing routing operations in a communications network'20097,443,831'Call control using a layered call model'20086,530,032'Network fault recovery method and apparatus'2003

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2010Patents assigned to NORTEL NETWORKS LTD (6)· patent assignee history
2003–2015Based in Kanata, CA· patent location history
2010–2019Patents assigned to CIENA CORP (15)· patent assignee history
2012–2015Patents assigned to BETTS MALCOLM (6)· patent assignee history
2012–2015Patents assigned to SHEW STEPHEN (6)· patent assignee history
2013–2019Patents assigned to SHEW STEPHEN DANIEL (4)· patent assignee history
2013–2019Based in Ottawa, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CIENA CORP152010–2019
BETTS MALCOLM62012–2015
NORTEL NETWORKS LTD62003–2010
SHEW STEPHENself62012–2015
SHEW STEPHEN DANIELself42013–2019
Locations
LocationPatentsSpan
Kanata, CA162003–2015
Ottawa, CA82013–2019