Average Co-Inventor Count = 7.20
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. (3 from 42,485 patents)
3 patents:
1. 6018769 - Integrated network installation system
2. 5845078 - Network integrated construction system, method of installing network
3. 5687315 - Support system for constructing an integrated network