Average Co-Inventor Count = 2.57
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. Carl-zeiss-stiftung (3 from 702 patents)
3 patents:
1. 6227754 - Composite body
2. 6111691 - Positioning table
3. 6099193 - Composite body