Average Co-Inventor Count = 1.50
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. Haag-streit Ag (3 from 40 patents)
3 patents:
1. D410661 - Slit lamp microscope
2. D390663 - Keratometer
3. D378635 - Portable, adjustable height table