Average Co-Inventor Count = 3.00
ph-index = 3
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. (3 from 42,485 patents)
3 patents:
1. 6401073 - Method and system for managing workflow
2. 6038541 - Method and system for managing workflow of electronic documents
3. 5878398 - Method and system for managing workflow of electronic documents