Average Co-Inventor Count = 8.89
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. Hitachi, Ltd. (2 from 42,485 patents)
2 patents:
1. 4884154 - Flanged transducer supporting arm for a magnetic head/arm assembly
2. 4786999 - Transducer suspension mount apparatus