Average Co-Inventor Count = 5.00
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. Victor Company of Japan, Limited (2 from 2,887 patents)
2 patents:
1. 4837645 - Drive mechanism for cassette-enclosed magnetic tape
2. 4807064 - Tape loading system for wrapping a tape of a tape cassette around a