Average Co-Inventor Count = 7.00
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. Nakanishi Metal Works Co., Ltd. (1 from 89 patents)
1 patent:
1. 9422981 - Roller bearing cage and manufacturing method therefor as well as roller bearing manufacturing method