Average Co-Inventor Count = 4.00
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. Hitachi, Ltd. (2 from 42,494 patents)
2 patents:
1. 5585672 - Semiconductor module with an improved heat sink/insulation plate
2. 5446318 - Semiconductor module with a plurality of power devices mounted on a