Tsjerk Hans Hoekstra

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Dieren, NL

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Patents Grantslast 30 patents

Information Patent Grant
Thermo-optical cascaded switch comprising gates
- Patent number 6,389,191
- Issue date May 14, 2002
- JDS Uniphase Inc.
- Albert Borreman
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical waveguide device comprising at least one bent waveguide cha...
- Patent number 6,243,525
- Issue date Jun 5, 2001
- JDS Uniphase Photonics C.V.
- Miriam Luizink
- G02 - OPTICS
Information Patent Grant
Thermo-optical switch provided with a laterally shifted element
- Patent number 6,222,953
- Issue date Apr 24, 2001
- JDS Uniphase Photonics C.V.
- Tsjerk Hans Hoekstra
- G02 - OPTICS
Information Patent Grant
At Least penta-layered optical device
- Patent number 5,861,976
- Issue date Jan 19, 1999
- Akzo Nobel N.V.
- Tsjerk Hans Hoekstra
- G02 - OPTICS