Average Co-Inventor Count = 2.00
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. Eta Sa Manufacture Horlogere Suisse (2 from 439 patents)
2 patents:
1. 7522476 - Calendar mechanism for displaying the date and the day of the week in one timepiece
2. 7433271 - Calendar mechanism for displaying the date and the day of the week in one timepiece