Average Co-Inventor Count = 2.67
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 (2 from 734 patents)
2. Siemens Matsushita Comp. Gmbh & Co Kg (2 from 10 patents)
4 patents:
1. 7403083 - Multiple resonance filter
2. 6608547 - Low capacity multilayer varistor
3. 5864277 - Overload current protection
4. 5574620 - Electrical component resistant to damage by infrared radiation