Gemfire Corporation

Organization

Palo Alto, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
AWG supporting multiple frequency bands and channel plans through r...
- Patent number 9,494,735
- Issue date Nov 15, 2016
- GEMFIRE CORPORATION
- Hindrik Freerk Bulthuis
- G02 - OPTICS
Information Patent Grant
Optical device with athermal slots for temperature dependence curva...
- Patent number 8,873,910
- Issue date Oct 28, 2014
- Gemfire Corporation
- Hindrik Freerk Bulthuis
- G02 - OPTICS
Information Patent Grant
Optical device with reduced polarization sensitivity
- Patent number 8,824,056
- Issue date Sep 2, 2014
- Gemfire Corporation
- Hindrik Freerk Bulthuis
- G02 - OPTICS
Information Patent Grant
Tunable dispersion compensation apparatus
- Patent number 7,711,222
- Issue date May 4, 2010
- Alcatel-Lucent USA Inc.
- Robert Blum
- G02 - OPTICS
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
Multi-channel laser pump source for optical amplifiers
- Patent number 7,653,109
- Issue date Jan 26, 2010
- Gemfire Corporation
- William K. Bischel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Arrayed waveguide grating with reduced channel passband asymmetry
- Patent number 7,492,991
- Issue date Feb 17, 2009
- Gemfire Corporation
- Gunter B. L. Beelen
- G02 - OPTICS
Information Patent Grant
Short reach optical interconnect
- Patent number 7,471,856
- Issue date Dec 30, 2008
- Dow Corning Corporation
- Jon Degroot, Jr.
- 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
Folded AWG architecture
- Patent number 7,382,953
- Issue date Jun 3, 2008
- Gemfire Corporation
- Hindrick F. Bulthuis
- G02 - OPTICS
Information Patent Grant
Integrated optical isolator array
- Patent number 7,263,247
- Issue date Aug 28, 2007
- Gemfire Corporation
- Markus P. Hehlen
- G02 - OPTICS
Information Patent Grant
Multi-channel laser pump source for optical amplifiers
- Patent number 7,235,150
- Issue date Jun 26, 2007
- Gemfire Corporation
- William K. Bischel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low-loss optical waveguide crossovers using an out-of-plane waveguide
- Patent number 7,215,854
- Issue date May 8, 2007
- Gemfire Corporation
- Arthur Telkamp
- 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
Electrical connection scheme for optical devices
- Patent number 6,556,734
- Issue date Apr 29, 2003
- Gemfire Corporation
- William K. Bischel
- G02 - OPTICS
Information Patent Grant
Display panel with electrically-controlled waveguide-routing
- Patent number 6,522,794
- Issue date Feb 18, 2003
- Gemfire Corporation
- William K. Bischel
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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
Laser with electrically-controlled grating reflector
- Patent number RE37809
- Issue date Jul 30, 2002
- Gemfire Corporation
- David A. G. Deacon
- 372 - Coherent light generators
Information Patent Grant
Method of manipulating optical wave energy using patterned electro-...
- Patent number 6,393,172
- Issue date May 21, 2002
- Gemfire Corporation
- Michael J. Brinkman
- 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
Optically integrating pixel microstructure
- Patent number 6,208,791
- Issue date Mar 27, 2001
- Gemfire Corporation
- William K. Bischel
- G02 - OPTICS
Information Patent Grant
Scanning method and architecture for display
- Patent number 6,167,169
- Issue date Dec 26, 2000
- Gemfire Corporation
- Michael J. Brinkman
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display architecture with waveguide routing and out-plane emission
- Patent number 6,141,465
- Issue date Oct 31, 2000
- Gemfire Corporation
- William K. Bischel
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Integrated optical device with phosphor in substrate pit
- Patent number 6,118,908
- Issue date Sep 12, 2000
- Gemfire Corporation
- William K. Bischel
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method for operating a display panel with electrically-controlled w...
- Patent number 6,078,704
- Issue date Jun 20, 2000
- Gemfire Corporation
- William K. Bischel
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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
Information Patent Grant
Phosphor RE-radiation in integrated optics
- Patent number 5,978,524
- Issue date Nov 2, 1999
- Gemfire Corporation
- William K. Bischel
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL DEVICE WITH REDUCED POLARIZATION SENSITIVITY
- Publication number 20120250160
- Publication date Oct 4, 2012
- GEMFIRE CORPORATION
- Hindrik Freerk Bulthuis
- G02 - OPTICS
Information Patent Application
OPTICAL DEVICE WITH ATHERMAL SLOTS FOR TEMPERATURE DEPENDENCE CURVA...
- Publication number 20110229080
- Publication date Sep 22, 2011
- Gemfire Corporation
- Hindrik Freerk Bulthuis
- G02 - OPTICS
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
Short Reach Optical Interconnect
- Publication number 20080044133
- Publication date Feb 21, 2008
- Dow Corning Corporation
- Jon Degroot
- G02 - OPTICS
Information Patent Application
ARRAYED WAVEGUIDE GRATING WITH REDUCED CHANNEL PASSBAND ASYMMETRY
- Publication number 20070274632
- Publication date Nov 29, 2007
- Gemfire Corporation
- GUNTER B.L. BEELEN
- G02 - OPTICS
Information Patent Application
Multi-Channel Laser Pump Source for Optical Amplifiers
- Publication number 20070248139
- Publication date Oct 25, 2007
- Gemfire Corporation
- William K. Bischel
- G02 - OPTICS
Information Patent Application
TUNABLE DISPERSION COMPENSATION APPARATUS
- Publication number 20070206896
- Publication date Sep 6, 2007
- Lucent Technologies Inc.
- ROBERT BLUM
- 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
Low-loss optical waveguide crossovers using an out-of-plane waveguide
- Publication number 20050271320
- Publication date Dec 8, 2005
- Gemfire Corporation
- Arthur Telkamp
- G02 - OPTICS
Information Patent Application
Multi-channel laser pump source for optical amplifiers
- Publication number 20050046928
- Publication date Mar 3, 2005
- Gemfire Corporation
- William K. Bischel
- G02 - OPTICS
Information Patent Application
Multi-channel laser pump source for optical amplifiers
- Publication number 20040105611
- Publication date Jun 3, 2004
- Gemfire Corporation
- William K. Bischel
- 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
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
Optically integrating pixel microstructure
- Publication number 20020003928
- Publication date Jan 10, 2002
- Gemfire Corporation
- William K. Bischel
- G02 - OPTICS

Trademarklast 30 trademarks

Information Trademark
76686006 - PHOTONIC
- Serial number 76686006
- Filing date Jan 22, 2008
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76686007 - P PHOTONIC
- Serial number 76686007
- Filing date Jan 22, 2008
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76682411 - GEMFIRE PHOTONIC
- Serial number 76682411
- Filing date Sep 28, 2007
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76276521
- Serial number 76276521
- Filing date Jun 27, 2001
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76246059 - GEMFIRE PHOTONIC
- Serial number 76246059
- Filing date Apr 26, 2001
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76246060 - P PHOTONIC
- Serial number 76246060
- Filing date Apr 26, 2001
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76246784 - GEMFIRE PHOTONIC
- Serial number 76246784
- Filing date Apr 26, 2001
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76246058 - BRINGING NEW IDEAS TO LIGHT
- Serial number 76246058
- Registration number 2640842
- Filing date Apr 26, 2001
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76195143 - GEMFIRE BRINGING NEW IDEAS TO LIGHT.
- Serial number 76195143
- Registration number 2560384
- Filing date Jan 11, 2001
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
76194015 - GEMFIRE BRINGING NEW IDEAS TO LIGHT.
- Serial number 76194015
- Registration number 2551181
- Filing date Jan 11, 2001
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75934845 - PHOTONIC
- Serial number 75934845
- Filing date Mar 3, 2000
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75440007
- Serial number 75440007
- Filing date Feb 25, 1998
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information Trademark
75440326 - GEMFIRE
- Serial number 75440326
- Registration number 2605070
- Filing date Feb 25, 1998
- Gemfire Corporation
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments

Gemfire Corporation

Organization

Patents Grantslast 30 patents

AWG supporting multiple frequency bands and channel plans through r...

Optical device with athermal slots for temperature dependence curva...

Optical device with reduced polarization sensitivity

Tunable dispersion compensation apparatus

Optical device with reduced temperature dependence

Multi-channel laser pump source for optical amplifiers

Arrayed waveguide grating with reduced channel passband asymmetry

Short reach optical interconnect

Optical device with reduced temperature dependence

Folded AWG architecture

Integrated optical isolator array

Multi-channel laser pump source for optical amplifiers

Low-loss optical waveguide crossovers using an out-of-plane waveguide

Photodefinition of optical devices

Electrical connection scheme for optical devices

Display panel with electrically-controlled waveguide-routing

Anti-waveguide routing structure

Device and method for variable attenuation of an optical channel

Laser with electrically-controlled grating reflector

Method of manipulating optical wave energy using patterned electro-...

Thermo-optic switch having fast rise-time

Connection system for optical redundancy

Optoelectronic and photonic devices formed of materials which inhib...

Optically integrating pixel microstructure

Scanning method and architecture for display

Display architecture with waveguide routing and out-plane emission

Integrated optical device with phosphor in substrate pit

Method for operating a display panel with electrically-controlled w...

Connection system for optical redundancy

Phosphor RE-radiation in integrated optics

Patents Applicationslast 30 patents

OPTICAL DEVICE WITH REDUCED POLARIZATION SENSITIVITY

OPTICAL DEVICE WITH ATHERMAL SLOTS FOR TEMPERATURE DEPENDENCE CURVA...

OPTICAL DEVICE WITH REDUCED TEMPERATURE DEPENDENCE

Short Reach Optical Interconnect

ARRAYED WAVEGUIDE GRATING WITH REDUCED CHANNEL PASSBAND ASYMMETRY

Multi-Channel Laser Pump Source for Optical Amplifiers

TUNABLE DISPERSION COMPENSATION APPARATUS

Optical device with reduced temperature dependence

Low-loss optical waveguide crossovers using an out-of-plane waveguide

Multi-channel laser pump source for optical amplifiers

Multi-channel laser pump source for optical amplifiers

Device and method for variable attenuation of an optical channel

Thermo-optic switch having fast rise-time

Anti-waveguide routing structure

Thermo-optic switch having fast rise-time

Device and method for variable attenuation of an optical channel

Optically integrating pixel microstructure

Trademarklast 30 trademarks

76686006 - PHOTONIC

76686007 - P PHOTONIC

76682411 - GEMFIRE PHOTONIC

76276521

76246059 - GEMFIRE PHOTONIC

76246060 - P PHOTONIC

76246784 - GEMFIRE PHOTONIC

76246058 - BRINGING NEW IDEAS TO LIGHT

76195143 - GEMFIRE BRINGING NEW IDEAS TO LIGHT.

76194015 - GEMFIRE BRINGING NEW IDEAS TO LIGHT.

75934845 - PHOTONIC

75440007

75440326 - GEMFIRE