Average Co-Inventor Count = 1.33
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 (2 from 832,718 patents)
2 patents:
1. 4415242 - Camera lens cover and sunshade apparatus
2. 4372068 - Rechargeable transparent slide viewer apparatus