Average Co-Inventor Count = 6.00
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. Hitachi, Ltd. (2 from 42,517 patents)
2 patents:
1. 7076440 - Business processing system employing a notice board business system database and method of processing the same
2. 6275809 - Business processing system employing a notice board business system database and method of processing the same