Average Co-Inventor Count = 7.20
ph-index = 2
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 (2 from 388 patents)
2 patents:
1. 4873010 - Spindle-like magnetic iron oxide particles and process for producing the
2. 4773931 - Spindle ferromagnetic alloy particles