Average Co-Inventor Count = 4.80
ph-index = 1
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. Doryokuro Kakunenryo Kaihatsu Jigyodan (2 from 196 patents)
2 patents:
1. 5437847 - Method of separating and recovering ruthenium from high-level
2. 5330710 - Nickel-base alloy for glass-contracting member used in unenergized state