Average Co-Inventor Count = 1.71
ph-index = 4
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 Denki Kabushiki Kaisha (4 from 21,351 patents)
4 patents:
1. D304171 - Power inverter
2. D304170 - Power inverter
3. 4743843 - Display signal generator device
4. 4695938 - Inverter controlling method