Johannes Jacobus Gerardus Maria Van Der Tol

Person

Helmond, NL

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for monitoring an optical WDM network
- Patent number 6,714,741
- Issue date Mar 30, 2004
- Koninklijke KPN N.V.
- Marco Pierre Hendrik Van De Bergh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for manufacturing sharp waveguide branches in integrated opt...
- Patent number 5,922,216
- Issue date Jul 13, 1999
- Koninklijke PTT Nederland N.V.
- Johannes Jacobus Gerardus Maria Van Der Tol
- G02 - OPTICS
Information Patent Grant
Optical packet-switched transmission network
- Patent number 5,900,957
- Issue date May 4, 1999
- Koninklijke PTT Nederland N.V.
- Johannes Jacobus Gerardus Maria Van Der Tol
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network having protection configuration
- Patent number 5,896,474
- Issue date Apr 20, 1999
- Koninklijke KPN N.V.
- Mattijs Oskar Van Deventer
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical non-linear branching element with MZ interferometer
- Patent number 5,887,092
- Issue date Mar 23, 1999
- Koninklijke KPN N.V.
- Johannes Jacobus Gerardus Maria van der Tol
- G02 - OPTICS
Information Patent Grant
Optical non-linear branching element
- Patent number 5,878,181
- Issue date Mar 2, 1999
- Koninklijke PTT Nederland N.V.
- Johannes Jacobus Gerardus Maria Van Der Tol
- G02 - OPTICS
Information Patent Grant
Optical coupling device and optical switch for use in the coupling...
- Patent number 5,761,353
- Issue date Jun 2, 1998
- Koninklijke PTT Nederland N.V.
- Johannes Jacobus Gerardus Maria Van Der Tol
- G02 - OPTICS
Information Patent Grant
Polarisation-independent optical device
- Patent number 5,708,734
- Issue date Jan 13, 1998
- Koninklijke PTT Nederland N.V.
- Johannes Jacobus Gerardus Maria Van Der Tol
- G02 - OPTICS
Information Patent Grant
Integrated optical polarisation splitter
- Patent number 5,696,856
- Issue date Dec 9, 1997
- Koninklijke PTT Nederland N.V.
- Johannes Jacobus Gerardus Maria Van Der Tol
- G02 - OPTICS
Information Patent Grant
Integrated optical wavelength demultiplexer
- Patent number 5,680,236
- Issue date Oct 21, 1997
- Koninklijke PTT Nederland N.V.
- Johannes Jacobus Gerardus Maria Van Der Tol
- G02 - OPTICS
Information Patent Grant
Optical switching device
- Patent number 5,574,808
- Issue date Nov 12, 1996
- Koninklijke PTT Nederland NV
- Johannes J. G. M. van der Tol
- G02 - OPTICS
Information Patent Grant
Integrated optical polarization converter with enhanced periodic co...
- Patent number 5,539,845
- Issue date Jul 23, 1996
- Koninklijke PTT Nederland N.V.
- Johannes J. G. M. van der Tol
- G02 - OPTICS
Information Patent Grant
Method and appertaining pair of mask patterns for fabricating, with...
- Patent number 5,528,708
- Issue date Jun 18, 1996
- Koninklijke PTT Nederland N.V.
- Johannes J. G. M. Van Der Tol
- G02 - OPTICS
Information Patent Grant
Polarization and wavelength independent optical power splitting cir...
- Patent number 5,524,156
- Issue date Jun 4, 1996
- Koninklijke PTT Nederland N.V.
- Johannes J. G. M. van der Tol
- G02 - OPTICS
Information Patent Grant
Optical hybrid with 3.times.3 coupling device
- Patent number 5,491,763
- Issue date Feb 13, 1996
- Koninklijke PTT Nederland N.V.
- Mattijs O. van Deventer
- G02 - OPTICS
Information Patent Grant
Integrated optical polarization manipulating device
- Patent number 5,375,178
- Issue date Dec 20, 1994
- Koninklijke PTT Nederland N.V.
- Johannes J. G. M. van der Tol
- G02 - OPTICS
Information Patent Grant
Method of manufacturing sharp waveguide branches in integrated opti...
- Patent number 5,364,495
- Issue date Nov 15, 1994
- Koninklijke PTT Nederland N.V.
- Johannes J. G. M. Van Der Tol
- G02 - OPTICS
Information Patent Grant
Wavelength division multiplexer and demultiplexer
- Patent number 5,325,221
- Issue date Jun 28, 1994
- Koninklijke PTT Nederland N.V.
- Johannes J. G. M. van der Tol
- G02 - OPTICS
Information Patent Grant
Controllable polarisation transformer
- Patent number 5,285,507
- Issue date Feb 8, 1994
- Koninklijke PTT Nederland N.V.
- Johannes J. G. M. van der Tol
- G02 - OPTICS
Information Patent Grant
Polarization filter with intermediate optical waveguide which is mo...
- Patent number 5,257,330
- Issue date Oct 26, 1993
- Koninklijke PTT Nederland N.V.
- Johannes J. G. M. van der Tol
- G02 - OPTICS
Information Patent Grant
Optical waveguide (TE,TM) mode converter
- Patent number 5,185,828
- Issue date Feb 9, 1993
- Koninklijke PTT Nederland N.V.
- Johannes J. G. M. van der Tol
- G02 - OPTICS

Johannes Jacobus Gerardus Maria Van Der Tol

Person

Patents Grantslast 30 patents

Method and apparatus for monitoring an optical WDM network

Method for manufacturing sharp waveguide branches in integrated opt...

Optical packet-switched transmission network

Optical network having protection configuration

Optical non-linear branching element with MZ interferometer

Optical non-linear branching element

Optical coupling device and optical switch for use in the coupling...

Polarisation-independent optical device

Integrated optical polarisation splitter

Integrated optical wavelength demultiplexer

Optical switching device

Integrated optical polarization converter with enhanced periodic co...

Method and appertaining pair of mask patterns for fabricating, with...

Polarization and wavelength independent optical power splitting cir...

Optical hybrid with 3.times.3 coupling device

Integrated optical polarization manipulating device

Method of manufacturing sharp waveguide branches in integrated opti...

Wavelength division multiplexer and demultiplexer

Controllable polarisation transformer

Polarization filter with intermediate optical waveguide which is mo...

Optical waveguide (TE,TM) mode converter