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. Nissan Diesel Motor Co., Ltd. (2 from 99 patents)
2 patents:
1. 8578703 - Exhaust emission purifying apparatus for internal combustion engine
2. 8011176 - Exhaust emission purifying apparatus for internal combustion engine