Average Co-Inventor Count = 3.43
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 (2 from 702 patents)
2 patents:
1. 5089911 - Telescope having image field stabilization
2. 5029995 - Telescope having image field stabilization by cardanically journalled