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. Thomson-csf (1 from 2,692 patents)
2. Compagnie Europeenne De Composants Electroniques (1 from 35 patents)
2 patents:
1. 5093980 - Method for making a multitrack head
2. 5013394 - Method for detection of end of grinding of a thin layer magnetic head