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Danielson, CT, United States of America

Ralph T Campagna

Average Co-Inventor Count = 2.21

ph-index = 3

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 = 52

Ralph T CampagnaNatan Bauman (5 patents)Ralph T CampagnaOleg Shikhman (2 patents)Ralph T CampagnaVictoria C Newton (2 patents)Ralph T CampagnaRalph T Campagna (7 patents)Natan BaumanNatan Bauman (9 patents)Oleg ShikhmanOleg Shikhman (60 patents)Victoria C NewtonVictoria C Newton (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (4 from 832,718 patents)

2. Auditory Licensing Company, LLC (1 from 3 patents)

3. Vivatone Hearing Systems, LLC (1 from 2 patents)


7 patents:

1. 12120488 - Personal sound amplification article and method for implementing same

2. 11350225 - Personal sound amplification article and method for implementing same

3. 10045133 - Variable sound attenuator with hearing aid

4. 9521480 - Variable noise attenuator with adjustable attenuation

5. 9333116 - Variable sound attenuator

6. 7720245 - Hearing aid system

7. 7421086 - Hearing aid system

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as of
12/10/2025
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