Seppo Raatikainen

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Kempele, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing an internal antenna, and antenna element
- Patent number 6,950,068
- Issue date Sep 27, 2005
- Filtronic LK Oy
- Mika Bordi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Simple dual-frequency antenna
- Patent number 6,140,973
- Issue date Oct 31, 2000
- LK-Products Oy
- Petteri Annamaa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Combined structure of a helical antenna and a dielectric plate
- Patent number 5,990,848
- Issue date Nov 23, 1999
- LK-Products Oy
- Petteri Annamaa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Double-action antenna
- Patent number 5,734,351
- Issue date Mar 31, 1998
- LK-Products Oy
- Seppo Ojantakanen
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing an internal antenna, and antenna element
- Publication number 20030112188
- Publication date Jun 19, 2003
- FILTRONIC LK OY
- Mika Bordi
- H01 - BASIC ELECTRIC ELEMENTS