Average Co-Inventor Count = 5.00
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. Tanaka Kikinzoku Kogyo K.k. (1 from 370 patents)
2. Dowa Metals & Mining Co., Ltd. (1 from 14 patents)
1 patent:
1. 9115418 - Method of recovering platinum group elements