Inventor

Thomas D. Stephens

Inventor
Columbia, MD, US

Overview

28→
Patents
2000–2011
Patent span
Electricity
Primary field (CPC H)

Patents· 28 as inventor

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

H04Bprimary
H04BTransmission57%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light30%
H04JMultiplex communication11%
G02BOptical elements, systems or apparatus2%
PatentTitleYear
7,903,978'Optical transmission systems and amplifier control apparatuses and methods'20117,522,334'Optical communication systems including optical amplifiers and amplification methods with flat noise figure profile'20097,343,097'Optical transmission systems including optical amplifiers and methods of use therein'20087,339,725'Optical transmission systems including optical amplifiers and methods of use therein'20087,215,463'Optical transmission systems including optical amplifiers and methods of use therein'20077,133,193'Optical transmission systems including optical amplifiers, apparatuses and methods'20067,088,500'Optical communication systems including optical amplifiers and amplification methods'20067,085,042'Optical transmission systems including optical amplifiers and methods of use therein'20067,046,430'Optical transmission systems including signal varying devices and methods'20067,010,229'Optical transmission systems including optical amplifiers and methods'20066,992,815'Optical transmission systems including optical amplifiers and methods of use therein'20066,934,473'Optical systems including add drop devices and methods'20056,934,077'Optical communication systems including optical amplifiers and amplification methods'20056,839,522'Optical signal varying devices, systems and methods'20056,782,209'Optical transmission systems including optical amplifiers and methods'20046,775,056'Optical transmission systems including signal varying devices and methods'20046,771,413'Optical transmission systems including optical amplifiers, apparatuses and methods'20046,587,261'Optical transmission systems including optical amplifiers and methods of use therein'20036,563,614'Optical transmission system and amplifier control apparatuses and methods'20036,548,225'Method and apparatus for writing gratings'20036,538,783'Optical systems including add drop devices and methods'20036,426,821'Optical upconverter apparatuses, methods and systems'20026,377,389'Optical signal varying devices'20026,356,383'Optical transmission systems including optical amplifiers apparatuses and methods'20026,344,922'Optical signal varying devices'20026,282,002'Optical signal varying devices'20016,236,487'Optical communication control system'20016,115,174'Optical signal varying devices'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2007Patents assigned to CORVIS CORP (21)· patent assignee history
2000–2002Based in Ellicott City, MD, US· patent location history
2002–2006Based in Columbia, MD, US· patent location history
2003Patents assigned to JDS UNIPHASE PTY LTD (1)· patent assignee history
2004Based in Clarksville, MD, US· patent location history
2005–2008Patents assigned to BROADWING CORP (4)· patent assignee history
2005–2009Based in Brighton, AU· patent location history
2009Patents assigned to CORVIS EQUIPMENT CORP (1)· patent assignee history
2011Patents assigned to BROADWING LLC (1)· patent assignee history
2011Based in Austin, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CORVIS CORP212000–2007
BROADWING CORP42005–2008
BROADWING LLC12011
CORVIS EQUIPMENT CORP12009
JDS UNIPHASE PTY LTD12003
Locations
LocationPatentsSpan
Columbia, Maryland, US122002–2006
Brighton, AU102005–2009
Ellicott City, Maryland, US42000–2002
Austin, Texas, US12011
Clarksville, Maryland, US12004