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Tony C. Kowalczyk
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Palo Alto, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Optical device with reduced temperature dependence
Patent number
7,689,072
Issue date
Mar 30, 2010
Gemfire Corporation
Hindrick Freerk Bulthuis
G02 - OPTICS
Information
Patent Grant
Optical device with reduced temperature dependence
Patent number
7,397,986
Issue date
Jul 8, 2008
Gemfire Corporation
Hindrick Freerk Bulthuis
G02 - OPTICS
Information
Patent Grant
Thermo-optic switch having fast rise-time
Patent number
7,171,064
Issue date
Jan 30, 2007
Michael J. Brinkman
G02 - OPTICS
Information
Patent Grant
Device and method for variable attenuation of an optical channel
Patent number
6,856,752
Issue date
Feb 15, 2005
William K. Bischel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optoelectronic and photonic devices formed of materials which inhib...
Patent number
6,842,545
Issue date
Jan 11, 2005
Hilary Sue Lackritz
G02 - OPTICS
Information
Patent Grant
Photodefinition of optical devices
Patent number
6,724,968
Issue date
Apr 20, 2004
Gemfire Corporation
Hilary S. Lackritz
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Anti-waveguide routing structure
Patent number
6,507,681
Issue date
Jan 14, 2003
Gemfire Corporation
Tony C. Kowalczyk
G02 - OPTICS
Information
Patent Grant
Device and method for variable attenuation of an optical channel
Patent number
6,434,318
Issue date
Aug 13, 2002
Gemfire Corporation
William K. Bischel
G02 - OPTICS
Information
Patent Grant
Thermo-optic switch having fast rise-time
Patent number
6,351,578
Issue date
Feb 26, 2002
Gemfire Corporation
Michael J. Brinkman
G02 - OPTICS
Information
Patent Grant
Connection system for optical redundancy
Patent number
6,325,553
Issue date
Dec 4, 2001
Gemfire Corporation
David A. G. Deacon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optoelectronic and photonic devices formed of materials which inhib...
Patent number
6,236,774
Issue date
May 22, 2001
Gemfire Corporation
Hilary Sue Lackritz
G02 - OPTICS
Information
Patent Grant
Connection system for optical redundancy
Patent number
6,049,641
Issue date
Apr 11, 2000
Gemfire Corporation
David A. G. Deacon
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL DEVICE WITH REDUCED TEMPERATURE DEPENDENCE
Publication number
20080226232
Publication date
Sep 18, 2008
Gemfire Corporation
Hindrick Freerk Bulthuis
G02 - OPTICS
Information
Patent Application
Optical device with reduced temperature dependence
Publication number
20060198579
Publication date
Sep 7, 2006
Gemfire Corporation
Hindrick Freerk Bulthuis
G02 - OPTICS
Information
Patent Application
Device and method for variable attenuation of an optical channel
Publication number
20040091195
Publication date
May 13, 2004
Gemfire Corporation
William K. Bischel
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Thermo-optic switch having fast rise-time
Publication number
20030206683
Publication date
Nov 6, 2003
Gemfire Corporation
Michael J. Brinkman
G02 - OPTICS
Information
Patent Application
Anti-waveguide routing structure
Publication number
20030108273
Publication date
Jun 12, 2003
Gemfire Corporation
Tony C. Kowalczyk
G02 - OPTICS
Information
Patent Application
Optoelectronic and photonic devices formed of materials which inhib...
Publication number
20030048975
Publication date
Mar 13, 2003
Hilary Sue Lackritz
G02 - OPTICS
Information
Patent Application
Thermo-optic switch having fast rise-time
Publication number
20020037129
Publication date
Mar 28, 2002
Gemfire Corporation
Michael J. Brinkman
G02 - OPTICS
Information
Patent Application
Device and method for variable attenuation of an optical channel
Publication number
20020018636
Publication date
Feb 14, 2002
Gemfire Corporation
William K. Bischel
G02 - OPTICS
Information
Patent Application
Photodefinition of optical devices
Publication number
20010031122
Publication date
Oct 18, 2001
Hilary S. Lackritz
B82 - NANO-TECHNOLOGY