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. Tdk Corporation (2 from 7,952 patents)
2 patents:
1. 7425376 - Ferrite substrate for thin-film inductors, thin-film common mode filter using the substrate, and thin-film common mode filter array using the substrate
2. 7387847 - Ferrite substrate, thin-film common mode filter using the substrate, thin-film common mode filter array using the substrate and manufacturing method of the substrate