Average Co-Inventor Count = 1.60
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. International Telecharge, Inc. (1 from 1 patent)
2 patents:
1. 5210789 - Interactive telephone operator terminal
2. D310591 - Line-type holder with a magnetic support unit for supporting articles