Average Co-Inventor Count = 3.00
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. Simmonds Precision Products, Inc. (1 from 390 patents)
2. Simmonds Precision Engine Systems, Inc. (1 from 19 patents)
2 patents:
1. 5404089 - PWM inverter controller with wave form memory
2. 5400237 - PWM inverter controller with waveform memory