Average Co-Inventor Count = 6.46
ph-index = 1
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. Claircom Communications Group, Inc. (1 from 10 patents)
2. Tatung Telecom (1 from 8 patents)
2 patents:
1. D434745 - Pay telephone
2. D371553 - Telephone handset