Average Co-Inventor Count = 1.33
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 Ag (1 from 18 patents)
2. Palmaer; Leif (1 from 2 patents)
2 patents:
1. D316164 - Holder for face visor, hearing protector and similar equipment
2. D306783 - Visor