Average Co-Inventor Count = 3.00
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 (1 from 7,995 patents)
1 patent:
1. 5391685 - Printing ink for slightly adherent plastic base, printed matter of said