Jonathan R. Armitage

Person

Suffolk, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Meshed optical network
- Patent number 6,414,767
- Issue date Jul 2, 2002
- British Telecommunications public limited company
- Loudon T Blair
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Photo induced grating in B2O3 containing glass
- Patent number 6,229,945
- Issue date May 8, 2001
- British Telecommunications public limited company
- Benjamin J Ainslie
- G02 - OPTICS
Information Patent Grant
Photoinduced grating in B.sub.2 O.sub.3 containing glass
- Patent number 6,097,512
- Issue date Aug 1, 2000
- British Telecommunications public limited company
- Benjamin J Ainslie
- G02 - OPTICS
Information Patent Grant
Photoinduced grating in B.sub.2 O.sub.3 containing glass
- Patent number 6,075,625
- Issue date Jun 13, 2000
- British Telecommunications public limited company
- Benjamin J Ainslie
- G02 - OPTICS
Information Patent Grant
Laser device tuned by forming a refractive index grating in optical...
- Patent number 6,041,069
- Issue date Mar 21, 2000
- British Telecommunications public limited company
- Raman Kashyap
- G02 - OPTICS
Information Patent Grant
Laser
- Patent number 5,978,400
- Issue date Nov 2, 1999
- British Telecommunications public limited company
- Robert John Campbell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fibre amplifier with fluorescent additive and method of amp...
- Patent number RE35946
- Issue date Nov 3, 1998
- British Telecommunications p.l.c.
- Benjamin J. Ainslie
- 385 - Optical waveguides
Information Patent Grant
Two-stage mono-mode optical fibre laser
- Patent number 5,774,484
- Issue date Jun 30, 1998
- British Telecommunications p.l.c.
- Richard Wyatt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Filter with preselected attenuation/wavelength characteristic
- Patent number 5,583,689
- Issue date Dec 10, 1996
- British Telecommunications Public Limited Company
- Stephen Cassidy
- G02 - OPTICS
Information Patent Grant
Optical waveguide amplifier
- Patent number 5,500,764
- Issue date Mar 19, 1996
- British Telecommunicaions Public Limited Company
- Jonathan R. Armitage
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Two-stage mono-mode optical fibre laser
- Patent number 5,422,897
- Issue date Jun 6, 1995
- British Telecommunications public limited company
- Richard Wyatt
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of forming a refractive index grating in an optical waveguide
- Patent number 5,377,288
- Issue date Dec 27, 1994
- British Telecommunications public limited company
- Raman Kashyap
- G02 - OPTICS
Information Patent Grant
Laser amplifier
- Patent number 5,224,116
- Issue date Jun 29, 1993
- BT&D Technologies Ltd.
- Timothy J. Whitley
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Laser systems
- Patent number 5,157,683
- Issue date Oct 20, 1992
- British Telecommunications p.l.c.
- Colin A. Millar
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fibre with fluorescent additive
- Patent number 4,923,279
- Issue date May 8, 1990
- British Telecommunications p.l.c.
- Benjamin J. Ainslie
- C03 - GLASS MINERAL OR SLAG WOOL

Jonathan R. Armitage

Person

Patents Grantslast 30 patents

Meshed optical network

Photo induced grating in B2O3 containing glass

Photoinduced grating in B.sub.2 O.sub.3 containing glass

Photoinduced grating in B.sub.2 O.sub.3 containing glass

Laser device tuned by forming a refractive index grating in optical...

Laser

Optical fibre amplifier with fluorescent additive and method of amp...

Two-stage mono-mode optical fibre laser

Filter with preselected attenuation/wavelength characteristic

Optical waveguide amplifier

Two-stage mono-mode optical fibre laser

Method of forming a refractive index grating in an optical waveguide

Laser amplifier

Laser systems

Optical fibre with fluorescent additive