Average Co-Inventor Count = 1.33
ph-index = 2
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. Siemens Matsushita Components Gmbh & Co Kg (2 from 30 patents)
2 patents:
1. 6081172 - Surface wave filter for asymmetrical/symmetrical and
2. 5619175 - Surface acoustic wave filter with reflectors and resistors