Average Co-Inventor Count = 7.39
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. Nec Corporation (4 from 35,658 patents)
4 patents:
1. 8644483 - Telephone relay apparatus, telephone relay system, recording medium and data processing method
2. 8630400 - Telephone relay system, telephone relay apparatus, recording medium and data processing method
3. 8537704 - Data processing system, central management unit thereof, and data processing method
4. 8451982 - Notification apparatus, notification system, method of operating notification apparatus, and program for notification apparatus