Growing community of inventors

Ballerup, Denmark

Christian Bohl Espersen

Average Co-Inventor Count = 1.76

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 106

Christian Bohl EspersenSoren Erik Westermann (20 patents)Christian Bohl EspersenJan Topholm (2 patents)Christian Bohl EspersenJorgen Mejner Olsen (2 patents)Christian Bohl EspersenKlaus Henrik Vaarbroe (2 patents)Christian Bohl EspersenJørgen Mejner Olsen (4 patents)Christian Bohl EspersenKlavs Richard Skafte (2 patents)Christian Bohl EspersenChristian Pedersen Kreipke (2 patents)Christian Bohl EspersenJan TØPHOLM (0 patent)Christian Bohl EspersenChristian Bohl Espersen (6 patents)Soren Erik WestermannSoren Erik Westermann (20 patents)Jan TopholmJan Topholm (14 patents)Jorgen Mejner OlsenJorgen Mejner Olsen (8 patents)Klaus Henrik VaarbroeKlaus Henrik Vaarbroe (8 patents)Jørgen Mejner OlsenJørgen Mejner Olsen (4 patents)Klavs Richard SkafteKlavs Richard Skafte (2 patents)Christian Pedersen KreipkeChristian Pedersen Kreipke (2 patents)Jan TØPHOLMJan TØPHOLM (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Widex A/s (6 from 306 patents)


6 patents:

1. 8861762 - Hearing aid and an ear piece for a hearing aid

2. 8331596 - Hearing aid and an ear piece for a hearing aid

3. 8175308 - Earplug for a hearing aid

4. 7720244 - Earpiece for a hearing aid and a hearing aid

5. D556326 - Hearing aid earpiece

6. D532111 - Hearing aid

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as of
12/16/2025
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