Average Co-Inventor Count = 2.86
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. Sumitomo Electric Industries, Limited (2 from 10,250 patents)
2. Sumitomo Wiring Systems, Limited (2 from 6,158 patents)
2 patents:
1. 5424586 - Multiplex communication control unit
2. 5255155 - Structure of electric circuit panel for instrument panel of automobile