Average Co-Inventor Count = 4.36
ph-index = 4
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. Other (2 from 832,680 patents)
2. Fujitsu Corporation (2 from 39,228 patents)
4 patents:
1. 6628755 - Transaction support system and information terminal unit connecting thereto
2. 6396919 - Telephone transaction support system and telephone call connection control system
3. 6169787 - Telephone transaction support system
4. 6104995 - Speaker identification system for authorizing a decision on an