Average Co-Inventor Count = 2.00
ph-index = 3
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. Vtc Inc. (3 from 74 patents)
3 patents:
1. 5278700 - Differentiating amplifier responsive to track locations and variations
2. 5227737 - Method and apparatus for adjusting the pole positions of a
3. 5157559 - Adjustable bandwidth differentiating amplifier for a magnetic disk drive