Average Co-Inventor Count = 5.00
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. Toda Kogyo Corporation (1 from 386 patents)
1 patent:
1. 4992191 - Sphere-like magnetite particles and a process for producing the same