Average Co-Inventor Count = 1.00
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. A. Schweizer Gmbh Optische Fabrik (4 from 14 patents)
4 patents:
1. 11650409 - Seeing aid device having inductive battery charging
2. 10886768 - Seeing aid device having inductive battery charging
3. 8089710 - Stand magnifier
4. 6999248 - Magnifying optical system with a variable color LED