Gerjo Sampimon

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Erm, NL

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Patents Grantslast 30 patents

Information Patent Grant
Earphone with controllable leakage of surrounding sound and device...
- Patent number 8,295,505
- Issue date Oct 23, 2012
- Sony Ericsson Mobile Communications AB
- Erwin Weinans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electroacoustic device
- Patent number 8,213,647
- Issue date Jul 3, 2012
- Sony Ericsson Mobile Communications AB
- Casper van der Bilt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Electroacoustic Device
- Publication number 20080285786
- Publication date Nov 20, 2008
- Casper van der Bilt
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
EARPHONE WITH LEAKAGE CONTROL AND DEVICE THEREFOR
- Publication number 20070177753
- Publication date Aug 2, 2007
- Sony Ericsson Mobile Communications AB
- Erwin Weinans
- H04 - ELECTRIC COMMUNICATION TECHNIQUE