Average Co-Inventor Count = 1.29
ph-index = 3
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. Lucien Rochat Sa (2 from 6 patents)
2. Walca Sa (1 from 2 patents)
3 patents:
1. 5521889 - Watch having a fluid-tight rotary crystal or crystal-bezel unit
2. D333621 - Watch case
3. D327020 - Wristwatch case