Average Co-Inventor Count = 1.66
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.
Company Filing History:
1. Conversion Sound Inc. (3 from 3 patents)
2. Chicago Custom Acoustics, Inc. (2 from 2 patents)
3. Beltone Electronics Corporation (1 from 42 patents)
4. Sigmedics, Inc. (1 from 3 patents)
5. Belltone Electronics Corporation (1 from 1 patent)
8 patents:
1. 10440458 - Comfort and high retention vibration and sound damping ear tips
2. 9854342 - Custom earphone with dome in the canal
3. 9451367 - On-site, custom fitted hearing equalizer
4. 9313568 - Custom earphone with dome in the canal
5. 9288592 - Custom ear adaptor system with balloon-style or elastomeric dome earpiece
6. 7187778 - Neurofuzzy based device for programmable hearing aids
7. 6674867 - Neurofuzzy based device for programmable hearing aids
8. 5070873 - Method of and apparatus for electrically stimulating quadriceps muscles