Average Co-Inventor Count = 8.00
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. Nippon Telegraph and Telephone Corporation (1 from 5,294 patents)
1 patent:
1. 7454421 - Database access control method, database access controller, agent processing server, database access control program, and medium recording the program