Average Co-Inventor Count = 1.60
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 (1 from 950 patents)
2. Plessey Electronic Systems Corp. (1 from 7 patents)
2 patents:
1. 4964028 - Current limited quasi-resonant voltage converting power supply
2. 4453109 - Magnetic transformer switch and combination thereof with a discharge lamp