Average Co-Inventor Count = 3.46
ph-index = 2
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. Pioneer Corporation (3 from 2,646 patents)
3 patents:
1. 7548951 - Minute file creation method, minute file management method, conference server, and network conference system
2. 7543021 - Network conference system
3. 7426192 - Network conference system, conference server, record server, and conference terminal