Average Co-Inventor Count = 3.00
ph-index = 3
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. Tosoh Corporation (3 from 893 patents)
3 patents:
1. 6261984 - Sputtering target and process for the preparation thereof
2. 5468552 - Magnetic recording medium comprising a magnetic film layer and a coating
3. 5292585 - Magnetic recording medium comprising a magnetic film layer and a coating