Average Co-Inventor Count = 5.00
ph-index = 3
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. Hitachi, Ltd. (4 from 42,488 patents)
4 patents:
1. 6789090 - Virtual network displaying system
2. 6587869 - Information providing system having a network terminal and network management system which manages a network and provides information of the network to the network terminal
3. 6339789 - Network management tool
4. 6049827 - Network management tool for causing network equipment to display