SJ

Sam Martin Jelfs

Koniniklijke Philips N.V.: 5 patents #1,464 of 7,486Top 20%
📍 Valkenswaard, NL: #41 of 180 inventorsTop 25%
Overall (All Time): #920,578 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
12432519 Audio apparatus and method therefor Jeroen Koppens, Patrick Kechichian 2025-09-30
10682082 Sensor system and method which makes use of multiple PPG sensors Jozef Hubertus Gelissen, Reinder Haakma, Laurentia Johanna Huijbregts, Adrianus Petrus Johanna Maria Rommers 2020-06-16
10682083 Sensor system and method which makes use of multiple PPG sensors Jozef Hubertus Gelissen, Reinder Haakma, Laurentia Johanna Huijbregts, Adrianus Petrus Johanna Maria Rommers 2020-06-16
9799210 Apparatus and method for improving the audibility of specific sounds to a user Armin Gerhard Kohlrausch, Mun Hum Park, Thomas Falck 2017-10-24
9693739 Systems and methods for reducing the impact of alarm sounds on patients Armin Gerhard Kohlrausch, Thomas Falck, Mun Hum Park, Katja Leuschner 2017-07-04