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. Usui Kokusai Sangyo Kaisha Limited (1 from 334 patents)
1 patent:
1. 6642471 - Method for the projection welding of high-carbon steels and high-tension low-alloy steels