Inventor · disambiguated record
Klaus Willemsen
Also filed as: WILLEMSEN KLAUS
2 granted patents·1 pending application·49 citations·filing 1984–2015
56Inventor score
Top patents by PatentIndex Score
3 records- 0171US4633498AInfrared headphones for the hearing impairedSENNHEISER ELECTRONIC·Filed 1984·Granted Dec 30, 1986·49 cites·7 claims
- 0235US8907856B2Antenna unit for wireless audio transmissionFEHR MATTHIAS·Filed 2010·Granted Dec 9, 2014·0 cites·8 claims
- 0327US2016212558A1Multi-channel Wireless Microphone SystemSENNHEISER ELECTRONIC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →