Per Granestrand

Person

Tyreso, SE

People

Patents Grantslast 30 patents

Information Patent Grant
Tunable semiconductor laser device
- Patent number 11,670,907
- Issue date Jun 6, 2023
- II-VI DELAWARE, INC.
- Jan-Olof Wesström
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical device and method for controlling such a device
- Patent number 11,081,863
- Issue date Aug 3, 2021
- Finisar Sweden AB
- Jan-Olof Wesström
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Waveguide for extraction of light at low levels of reflection
- Patent number 9,921,370
- Issue date Mar 20, 2018
- Syntune AB
- Jan-Olof Wesstrom
- G02 - OPTICS
Information Patent Grant
Optical waveguiding part
- Patent number 9,885,828
- Issue date Feb 6, 2018
- Finisar Sweden AB
- David Adams
- G02 - OPTICS
Information Patent Grant
Mach zehnder modulator
- Patent number 8,306,370
- Issue date Nov 6, 2012
- Syntune AB
- Per Granestrand
- G02 - OPTICS
Information Patent Grant
Transition device for optical waveguides
- Patent number 8,041,164
- Issue date Oct 18, 2011
- Syntune AB
- Per Granestrand
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Distributed feedback laser with varying electrical resistance for u...
- Patent number 7,065,119
- Issue date Jun 20, 2006
- Telefonaktiebolaget LM Ericsson (publ)
- Krister Frojdh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Communication using spread spectrum methods over optical fibers
- Patent number 6,922,431
- Issue date Jul 26, 2005
- Telefonaktiebolaget LM Ericsson (publ)
- Per-Olov Granestrand
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical device and fabrication thereof
- Patent number 6,914,924
- Issue date Jul 5, 2005
- Telefonaktiebolaget LM Ericsson (publ)
- Per Granestrand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High yield DFB laser with effective reject selection
- Patent number 6,826,203
- Issue date Nov 30, 2004
- Telefonaktiebolaget LM Ericsson (publ)
- Per Olov Granestrand
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical waveguide designed to facilitate connections with optical c...
- Patent number 6,181,860
- Issue date Jan 30, 2001
- Telefonaktiebolaget LM Ericsson
- Per Olov Granestrand
- G02 - OPTICS
Information Patent Grant
Laser amplifier, an optical system comprising such a laser amplifie...
- Patent number 6,014,250
- Issue date Jan 11, 2000
- Telefonaktiebolaget LM Ericsson
- Per Granestrand
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Near Z digital switch
- Patent number 5,303,315
- Issue date Apr 12, 1994
- Telefonaktiebolaget L M Ericsson
- Per O. Granestrand
- G02 - OPTICS
Information Patent Grant
Four section optical coupler
- Patent number 5,202,941
- Issue date Apr 13, 1993
- Telefonaktiebolaget L M Ericsson
- Per O. Granestrand
- G02 - OPTICS
Information Patent Grant
Method of disposing a polarization directing optoelectronic coupler...
- Patent number 4,917,449
- Issue date Apr 17, 1990
- Telefonaktiebolaget L M Ericsson
- Per O. Granestrand
- G02 - OPTICS
Information Patent Grant
Optical repeater for fault tracing in an optical transmission system
- Patent number 4,887,309
- Issue date Dec 12, 1989
- Telefonaktiebolaget L M Ericsson
- Ove B. Andersson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Polarization-independent optoelectronic directional coupler
- Patent number 4,756,588
- Issue date Jul 12, 1988
- Telefonaktiebolaget L M Ericsson
- Per O. Granestrand
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
TUNABLE SEMICONDUCTOR LASER DEVICE
- Publication number 20230361529
- Publication date Nov 9, 2023
- II-VI Delaware, Inc.
- Jan-Olof Wesstroem
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
TUNABLE SEMICONDUCTOR LASER DEVICE
- Publication number 20210013697
- Publication date Jan 14, 2021
- II-VI Delaware, Inc.
- Jan-Olof Wesström
- G01 - MEASURING TESTING
Information Patent Application
OPTICAL DEVICE AND METHOD FOR CONTROLLING SUCH A DEVICE
- Publication number 20180309267
- Publication date Oct 25, 2018
- FINISAR SWEDEN AB
- Jan-Olof Wesström
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL WAVEGUIDING PART
- Publication number 20160356953
- Publication date Dec 8, 2016
- Finisar Sweden AB
- David ADAMS
- G02 - OPTICS
Information Patent Application
WAVEGUIDE FOR EXTRACTION OF LIGHT AT LOW LEVELS OF REFLECTION
- Publication number 20110222816
- Publication date Sep 15, 2011
- SYNTUNE AB
- Jan-Olof Wesstrom
- G02 - OPTICS
Information Patent Application
MACH ZEHNDER MODULATOR
- Publication number 20110007995
- Publication date Jan 13, 2011
- SYNTUNE AB
- Per Granestrand
- G02 - OPTICS
Information Patent Application
TRANSITION DEVICE FOR OPTICAL WAVEGUIDES
- Publication number 20100322560
- Publication date Dec 23, 2010
- SYNTUNE AB
- Per Granestrand
- G02 - OPTICS
Information Patent Application
Distributed feedback laser with varying electrical resistance for u...
- Publication number 20040076207
- Publication date Apr 22, 2004
- Krister Frojdh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical device and fabrication thereof
- Publication number 20020003825
- Publication date Jan 10, 2002
- Per Granestrand
- H01 - BASIC ELECTRIC ELEMENTS

Per Granestrand

Person

Patents Grantslast 30 patents

Tunable semiconductor laser device

Optical device and method for controlling such a device

Waveguide for extraction of light at low levels of reflection

Optical waveguiding part

Mach zehnder modulator

Transition device for optical waveguides

Distributed feedback laser with varying electrical resistance for u...

Communication using spread spectrum methods over optical fibers

Optical device and fabrication thereof

High yield DFB laser with effective reject selection

Optical waveguide designed to facilitate connections with optical c...

Laser amplifier, an optical system comprising such a laser amplifie...

Near Z digital switch

Four section optical coupler

Method of disposing a polarization directing optoelectronic coupler...

Optical repeater for fault tracing in an optical transmission system

Polarization-independent optoelectronic directional coupler

Patents Applicationslast 30 patents

TUNABLE SEMICONDUCTOR LASER DEVICE

TUNABLE SEMICONDUCTOR LASER DEVICE

OPTICAL DEVICE AND METHOD FOR CONTROLLING SUCH A DEVICE

OPTICAL WAVEGUIDING PART

WAVEGUIDE FOR EXTRACTION OF LIGHT AT LOW LEVELS OF REFLECTION

MACH ZEHNDER MODULATOR

TRANSITION DEVICE FOR OPTICAL WAVEGUIDES

Distributed feedback laser with varying electrical resistance for u...

Optical device and fabrication thereof