Seppo Hietala

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Patents Grantslast 30 patents

Information Patent Grant
Radio transceiver with two frequency bands
- Patent number 6,449,264
- Issue date Sep 10, 2002
- Nokia Mobile Phones Limited
- Kari Lehtinen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Voltage controlled component including a capacitive diode biased to...
- Patent number 5,357,222
- Issue date Oct 18, 1994
- Nokia Mobile Phones Ltd.
- Seppo Hietala
- H03 - BASIC ELECTRONIC CIRCUITRY