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. North American Philips Corporation (2 from 950 patents)
2 patents:
1. 4746896 - Layered film resistor with high resistance and high stability
2. 4566936 - Method of trimming precision resistors