Seppo Honkanen

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Espoo, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing optical waveguides by an ion exchange technique...
- Patent number 5,160,523
- Issue date Nov 3, 1992
- Oy Nokia AB
- Seppo Honkanen
- G02 - OPTICS
Information Patent Grant
Adaptor device for coupling together optical waveguides produced by...
- Patent number 5,151,958
- Issue date Sep 29, 1992
- Oy Nokia AB
- Seppo Honkanen
- G02 - OPTICS
Information Patent Grant
Method of producing optical waveguides
- Patent number 5,035,734
- Issue date Jul 30, 1991
- Oy Nokia Ab
- Seppo Honkanen
- G02 - OPTICS