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 Electronics Company, Limited (2 from 333 patents)
2 patents:
1. 4673622 - Magnetic recording medium
2. 4452863 - Magnetic recording medium