Average Co-Inventor Count = 2.00
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. Sperry Rand Corporation (2 from 628 patents)
2 patents:
1. 4092682 - Cross coupled demodulator for generating a servo head position error
2. 4092683 - Dual-mode demodulator for movement of a servo head