Average Co-Inventor Count = 5.29
ph-index = 3
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. Kabushiki Kaisha Yaskawa Denki (3 from 1,102 patents)
3 patents:
1. 8908374 - Electronic device and power converter provided with electronic device
2. 8537550 - Wiring board and power conversion device
3. 7423395 - Sensorless vector control method for alternating-current motor and control apparatus therefor