Average Co-Inventor Count = 7.47
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. Mitsubishi Electric Corporation (2 from 15,928 patents)
2 patents:
1. D982545 - Servo amplifier
2. D897308 - Servo amplifier