RK

Roger Kihlberg

3M: 10 patents #1,587 of 11,543Top 15%
Overall (All Time): #451,454 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11438946 Beacon system to improve wireless audio communication between headset communication devices Marcus J. Ekblad 2022-09-06
11418866 Voice-activated sound encoding for headsets using frequency domain representations of microphone signals Stefan M. Apelqvist, Vijay K. Gidla, Abel Gladstone Mangam 2022-08-16
10939487 Beacon system to improve wireless audio communication between headset communication devices Marcus J. Ekblad 2021-03-02
10681756 Beacon system to improve wireless audio communication between headset communication devices Marcus J. Ekblad 2020-06-09
10561532 Method of retrofitting a hearing protector, and a hearing protector Van Cuong Bui, Anton J. Hjalmarsson, Yossi Sivilia, Sahar Fisch, Semion Dorfman +4 more 2020-02-18
10166416 Respirator mask speech enhancement apparatus and method 2019-01-01
9517366 Respirator mask speech enhancement apparatus and method 2016-12-13
9498658 Respirator mask speech enhancement apparatus and method 2016-11-22
8649301 Channel allocation in DECT telecommunication systems 2014-02-11
8223994 Method of limiting the maximum permitted sound volume in an earphone, and an earphone for carrying out the method 2012-07-17
6841784 Radiation sensor device Anders Brahme, Christian Iacobaeus, Janina Östling 2005-01-11