Average Co-Inventor Count = 2.00
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. Isao Corporation (1 from 3 patents)
1 patent:
1. 6981021 - Position-link chat system, position-linked chat method, and computer product