Inventor · disambiguated record
Christian Frei-Krumme
Also filed as: FREI-KRUMME CHRISTIAN
4 granted patents·4 citations·filing 2013–2022
60Inventor score
Technology areasH04R
Files withSONOVA AG4
Top patents by PatentIndex Score
4 records- 0187US11792564B2Hearing device comprising a vent and an acoustic valveSONOVA AG·Filed 2022·Granted Oct 17, 2023·3 cites·19 claims
- 0258US9654884B2Method of fitting a hearing instrument, and impression toolSONOVA AG·Filed 2013·Granted May 16, 2017·1 cites·14 claims
- 0348US11647950B2Hearing device with optical sensor at spoutSONOVA AG·Filed 2020·Granted May 16, 2023·0 cites·19 claims
- 0444US12063478B2Custom hearing device equipped with optical sensors for biometrical sensingSONOVA AG·Filed 2019·Granted Aug 13, 2024·0 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →