Average Co-Inventor Count = 4.00
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. Nippon Light Metal Company, Ltd. (1 from 306 patents)
2. Nikkeikin Aluminium Core Technology Company Ltd. (1 from 9 patents)
1 patent:
1. 8740042 - Friction-welded part and method of friction welding