Average Co-Inventor Count = 2.00
ph-index = 4
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. Grieshaber & Co Ag Schaffhausen (4 from 21 patents)
4 patents:
1. D465279 - Ophthalmologic surgical instrument
2. D463555 - Ophthalmologic surgical instrument
3. D460185 - Ophthalmologic surgical instrument
4. D456077 - Surgical instrument