Average Co-Inventor Count = 3.00
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. Toyota Jidosha Kabushiki Kaisha (1 from 36,721 patents)
2. Ngk Insulators, Inc. (1 from 4,920 patents)
1 patent:
1. 11964254 - Catalyst device