Average Co-Inventor Count = 5.06
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. Hitachi, Ltd. (3 from 42,517 patents)
3 patents:
1. 11960928 - Event monitoring system and event monitoring method
2. 10635507 - Event monitoring apparatus and event monitoring method
3. 10503500 - Inquiry response system and inquiry response method