Henri Vaha-Ypya

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Tampere, FI

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Patents Grantslast 30 patents

Information Patent Grant
Switch arrangement and a switch matrix structure for a keypad
- Patent number 7,271,743
- Issue date Sep 18, 2007
- Nokia Corporation
- Esa Määttä
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Method and apparatus for self-monitoring of proximity sensors
- Patent number 6,835,923
- Issue date Dec 28, 2004
- Nokia Corporation
- Tiina Hämäläinen
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Switch arrangement and a switch matrix structure for a keypad
- Publication number 20030193421
- Publication date Oct 16, 2003
- Nokia Corporation
- Esa Maatta
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Method and apparatus for self-monitoring of proximity sensors
- Publication number 20030094566
- Publication date May 22, 2003
- Tiina Hamalainen
- H03 - BASIC ELECTRONIC CIRCUITRY