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. Ebara Corporation (4 from 2,508 patents)
4 patents:
1. D855023 - Rotor for rotary electrical machine
2. D855024 - Rotor for rotary electrical machine
3. D852136 - Rotor for rotary electrical machine
4. D801928 - Rotor for rotary electrical machine