Average Co-Inventor Count = 3.75
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. Victor Company of Japan, Limited (2 from 2,887 patents)
2 patents:
1. 4748081 - Magnetic recording medium having an improved magnetic layer using
2. 4699840 - Magnetic recording medium