Average Co-Inventor Count = 5.00
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. Nok Corporation (3 from 778 patents)
3 patents:
1. 5785882 - Fluorine-based magnetic fluid
2. 5738802 - Fluorine-based magnetic fluid
3. 5718833 - Fluorine-based magnetic fluid