Average Co-Inventor Count = 2.34
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. Carl Zeiss Sports Optics Gmbh (3 from 47 patents)
2. Other (1 from 832,843 patents)
3. Carl Zeiss Optronics Gmbh (6 patents)
4 patents:
1. 8599482 - Telescopic sight
2. 7990523 - Aiming telescope having a range finder
3. 7869004 - Optical observation apparatus
4. D579038 - Housing for an image recording device