Average Co-Inventor Count = 3.75
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. Control Techniques Limited (1 from 33 patents)
2. Nidec Control Techniques Limited (1 from 14 patents)
2 patents:
1. 9906219 - Energy bypass
2. 9509222 - Power conversion system