Average Co-Inventor Count = 1.20
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.
Company Filing History:
1. Acs Communications (3 from 17 patents)
3 patents:
1. 4864610 - Earpiece for a telephone headset
2. D299344 - Foam ear cushion for telephone headset or similar article
3. 4754484 - Convertible handset/headset for telephone