Average Co-Inventor Count = 4.00
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. Balzers Aktiengesellschaft (1 from 173 patents)
2. Oerlikon Contraves Ag (1 from 56 patents)
2 patents:
1. 5415729 - Vacuum treatment apparatus
2. 5125153 - Method of making a hybrid electronic array