Average Co-Inventor Count = 3.46
ph-index = 3
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. U.S. Philips Corporation (3 from 14,087 patents)
3 patents:
1. 4208449 - Method of making an electric resistor having a resistance body
2. 4086559 - Electric resistor based on silicon carbide having a negative temperature
3. 3972797 - Electrode for electrochemical machining