Average Co-Inventor Count = 1.89
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 Software Engineering Company, Ltd. (3 from 228 patents)
3 patents:
1. 8613050 - License authentication system and authentication method
2. 5684957 - Network management system for detecting and displaying a security hole
3. 5586254 - System for managing and operating a network by physically imaging the