Average Co-Inventor Count = 3.83
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. (3 from 42,517 patents)
3 patents:
1. 12455983 - Data cooperation system, data cooperation method, trust system, and data publicizing method
2. 10783469 - Production support system using multiple plan candidates and different types of learning devices
3. 7131776 - Printed matter reliability decision method