Johan Hellgren — 13 Patents at Oticon A/S

Johan Hellgren has been granted 13 US patents while listed as an inventor at Oticon A/S. The first was granted in 1995 and the most recent in May 2024. Johan Hellgren ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Johan Hellgren in Linköping, SE.

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #	Title	Co-Inventors	Date
11982651	Method for adapting the concentration of a sample gas in a gas mixture to be analysed by a gas chromatograph assembly, and chromatograph assembly therefore	Henrik Vennerberg	2024-05-14
10866225	Wide range gas detection using an infrared gas detector	Fredrik Enquist, Henrik Vennerberg	2020-12-15
10436708	Method for quantifying the amount of optically interfering gas impurities	Henrik Vennerberg, Fredrik Enquist	2019-10-08
10352848	Gas detection using gas modulation	Fredrik Enquist, Niclas Edvardsson, Henrik Vennerberg	2019-07-16
10309943	Infrared gas detector with secondary sensor	Henrik Vennerberg, Fredrik Enquist	2019-06-04
9338562	Listening system with an improved feedback cancellation system, a method and use	Thomas Bo Elmedyb	2016-05-10
8798297	Listening system with an improved feedback cancellation system, a method and use	Thomas Bo Elmedyb	2014-08-05
8687832	Hearing aid system with feedback arrangement to predict and cancel acoustic feedback, method and use	Thomas Bo Elmedyb	2014-04-01
8538052	Generation of probe noise in a feedback cancellation system	Thomas Bo Elmedyb	2013-09-17
8477952	Audio system with feedback detection means	Thomas Bo Elmedyb	2013-07-02
7925031	Audio system with feedback detection means	Thomas Bo Elmedyb	2011-04-12
7688990	Hearing aid with anti feedback system	Thomas Bo Nielsen	2010-03-30
5436859	Method to reduce the power consumation of a digital filter bank analyzer reducing the number of multiplications	Thomas Lunner	1995-07-25

Johan Hellgren — 13 Patents

Issued Patents All Time

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