Average Co-Inventor Count = 3.00
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. Sankin Industry Company, Limited (2 from 11 patents)
2. Sumitomo Metal Industries, Inc. (1 from 929 patents)
2 patents:
1. 4824373 - Swaged metal denture base
2. 4202687 - Low melting point Ni-Cr alloy for cast dental products