Average Co-Inventor Count = 3.00
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. Ivy Hill Corporation (1 from 28 patents)
2. Malnove Incorporated (1 from 3 patents)
2 patents:
1. 5454469 - Lens box
2. 5333732 - Lens package