Average Co-Inventor Count = 1.85
ph-index = 1
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. Optrel Holding Ag (3 from 11 patents)
2. Optrel Ag (1 from 18 patents)
4 patents:
1. 10690942 - Sunglasses with a sun protection filter
2. 10401651 - Protection device
3. 10274753 - Sun protection device
4. 9610198 - Protection device for a welder