Average Co-Inventor Count = 5.00
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. Nippon Telegraph and Telephone Corporation (2 from 5,290 patents)
2 patents:
1. 6424980 - Integrated retrieval scheme for retrieving semi-structured documents
2. 6191792 - Scheme for automatic data conversion definition generation according to data feature in visual multidimensional data analysis tool