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. Kabushiki Kaisha Riken (2 from 220 patents)
2 patents:
1. 5747410 - Exhaust gas cleaner and method of cleaning exhaust gas
2. 5744111 - Method for cleaning exhaust gas