Average Co-Inventor Count = 3.75
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 Bakelite Company Limited (2 from 612 patents)
2 patents:
1. D750242 - Endoscope hood
2. D725263 - Endoscope hood