Average Co-Inventor Count = 4.20
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. Basf Aktiengesellschaft (1 from 10,754 patents)
2. Basf Magnetics Gmbh (1 from 79 patents)
2 patents:
1. 5523151 - Magnetic recording media
2. 4566653 - Tape cassette comprising a substantially rectangular two-part housing