Average Co-Inventor Count = 2.40
ph-index = 4
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. Gebruder Junghans Gmbh (4 from 55 patents)
2. Firma Gebruder Junghans Gmbh (1 from 2 patents)
5 patents:
1. 4244038 - Watch having adjustable date and day indicators
2. 4143507 - Battery operated electronic watch
3. 4081952 - Watch module for use with separate power source
4. 4045954 - Safety mechanism for a watertight watch having a piezo electric buzzer
5. 4004409 - Watch having a piezo electric buzzer mechanism