Average Co-Inventor Count = 4.66
ph-index = 2
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 (3 from 10,754 patents)
3 patents:
1. 5010434 - Tape cassette having a two-reel brake system having identical brake
2. 4736904 - Tape guide means for a tape to be transported, in particular in a
3. 4687157 - Tape cassette, in particular a video cassette, and a pressure spring for