Average Co-Inventor Count = 4.44
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 Chemical Company, Limited (2 from 6,896 patents)
2. Sumitomo Electric Industries, Limited (1 from 10,273 patents)
2 patents:
1. 3952136 - Multi-layer product of metal and resin, and its production
2. 3935374 - Laminated sheathed cable