Average Co-Inventor Count = 2.00
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. Research Cooperation Foundation of Yeungnam University (1 from 52 patents)
1 patent:
1. 12091748 - Method for forming ruthenium thin film