Inventor

MARTEN STEFAN

DE4 patents

⚠️ This page may combine multiple inventors who share the name “MARTEN STEFAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SENNHEISER ELECTRONIC

1 patent

US6208743B1Mar 27, 2001

Electrodynamic acoustic transducer with magnetic gap sealing

SENNHEISER ELECTRONIC66 citations88

MARTEN STEFAN

1 patent

US9002025B2Apr 7, 2015

Headset

MARTEN STEFAN4 citations63

KUHTZ JAN PETER

1 patent

US8111857B2Feb 7, 2012

In-ear headset and in-ear earphone

KUHTZ JAN PETER5 citations59

SENNHEISER ELECTRONIC GMBH & CO KG

1 patent

US9467770B2Oct 11, 2016

Handset or headset

SENNHEISER ELECTRONIC GMBH & CO KG2 citations57