Average Co-Inventor Count = 5.54
ph-index = 1
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 Vision Gmbh (2 from 70 patents)
2 patents:
1. 8038296 - Optical observation instrument and a method of controllably adjusting a refractive power in such instrument
2. 7131725 - Auto-focussing glasses and method for auto-focussing a pair of glasses