Average Co-Inventor Count = 3.59
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. Dehn + Söhne Gmbh + Co Kg (4 from 36 patents)
2. Aeg-telefunken Aktiengesellschaft (4 from 4 patents)
5 patents:
1. 5450274 - Spark gap arrangement
2. 4385338 - Power connector with overvoltage protection
3. 4366523 - Arrester with spark gap
4. 4345293 - Arrester
5. 4345295 - Arrester with spark gap