Average Co-Inventor Count = 3.00
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. Nec Corporation (2 from 35,705 patents)
2. The University of Tokyo (2 from 1,285 patents)
2 patents:
1. 11030286 - Authentication apparatus, method, system and program, and server apparatus
2. 10579781 - Authentication apparatus, method, system and program, and server apparatus