Average Co-Inventor Count = 1.92
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. Gao Gesellschaft Fur Automation Und Organisation Mbh (3 from 182 patents)
2. Gesellschaft Fur Automation U. Organization Mbh (1 from 1 patent)
4 patents:
1. 4841128 - Circuit unit
2. 4291222 - Method and apparatus for card authentication using display of symbols
3. 4157784 - Safeguard against falsification of securities and the like which is
4. 3946869 - Transparent package