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Inventor

Rainer Iraschko

Inventor
Calgary, CA

Overview

9→
Patents
1999–2008
Patent span
Electricity
Primary field (CPC H)

Patents· 9 as inventor

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

H04Jprimary
H04JMultiplex communication41%
H04QSelecting29%
H04BTransmission12%
H04LTransmission of digital information, e.g. telegraphic communication12%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes6%
PatentTitleYear
7,356,258'Optical interconnection for traffic between a pair of DWDM rings'20087,079,723'Optical wavelength cross connect architectures using wavelength routing elements'20067,046,619'Method and system for bi-directional path switched network'20067,003,225'Survivable ring transmission system with multiple protection classes'20066,665,567'Optical-ring integer linear program formulation'20036,377,374'Method apparatus and computer program product for optical network restoration'20026,377,543'Path restoration of networks'20026,111,672'Method, apparatus, and computer program product for optical network restoration'20005,930,017'Method and system for maintaining an optical path'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999–2002Patents assigned to MCI COMMUNICATIONS CORP (3)· patent assignee history
1999Based in Palo Alto, CA, US· patent location history
2000–2002Based in Sunnyville, CA, US· patent location history
2002Patents assigned to TELECOMM RES LAB (1)· patent assignee history
2002Based in Thornhill, CA· patent location history
2003–2006Based in Sunnyvale, CA, US· patent location history
2006Patents assigned to PTS CORP (2)· patent assignee history
2006Patents assigned to CIENA CORP (1)· patent assignee history
2006–2008Based in Calgary, CA· patent location history
2008Patents assigned to NETWORK PHOTONICS INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MCI COMMUNICATIONS CORP31999–2002
PTS CORP22006
CIENA CORP12006
NETWORK PHOTONICS INC12008
TELECOMM RES LAB12002
Locations
LocationPatentsSpan
Calgary, CA32006–2008
Sunnyvale, California, US22003–2006
Sunnyville, California, US22000–2002
Thornhill, CA12002
Palo Alto, California, US11999