Average Co-Inventor Count = 2.23
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. Epcos Ag (4 from 734 patents)
2. Siemens Aktiengesellschaft (3 from 30,040 patents)
3. Tdk Electronics Ag (1 from 219 patents)
8 patents:
1. 11431154 - Triggerable spark gap, switching circuit having a triggerable spark gap, and process for manufacturing a triggerable spark gap
2. 9614370 - Surge arrester
3. 8189315 - Surge arrester with low response surge voltage
4. 7795810 - Gas-filled discharge gap
5. 6529361 - Gas-filled discharge path
6. 5995355 - Gas-filled discharge path in a form of a spark gap or an overvoltage
7. 5892648 - Gas-filled overvoltage arrester with electrode activation compound
8. 5407645 - Hydrogen storage device for a plasma switch