Average Co-Inventor Count = 6.59
ph-index = 5
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 (6 from 15,906 patents)
6 patents:
1. D1056868 - Servo amplifier
2. D987594 - Servo amplifier
3. D982545 - Servo amplifier
4. D927447 - Servo amplifier
5. D918857 - Servo amplifier
6. D905638 - Servo amplifier