Average Co-Inventor Count = 2.90
ph-index = 2
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-kokusai Electric Inc. (3 from 1,257 patents)
3 patents:
1. 8411141 - Video processing method for reducing the load of viewing
2. 7710455 - Node management system and node managing program using sensing system
3. 7535353 - Surveillance system and surveillance method