Average Co-Inventor Count = 4.94
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. Rodenstock Gmbh (1 from 118 patents)
2. Optische Werke G. Rodenstock (1 from 80 patents)
2 patents:
1. 9354455 - Controlling designs using a polygonal design
2. 4946270 - Progressive power ophthalmic lens