Average Co-Inventor Count = 1.50
ph-index = 2
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. Other (3 from 832,812 patents)
3 patents:
1. 9304327 - Eyeglasses for far-field vision correction
2. 5433190 - Eyelid speculum device
3. 5423777 - Punctum plug