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. Hitachi Astemo Ltd. (1 from 1,192 patents)
1 patent:
1. 12060926 - Ball screw, method for manufacturing ball screw, power steering device, and method for manufacturing power steering device