Average Co-Inventor Count = 2.00
ph-index = 2
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. Nabtesco Corporation (2 from 379 patents)
2 patents:
1. 9759004 - Opening and closing apparatus with lock
2. 9340215 - Door opening and closing apparatus