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. Toyota Jidosha Kabushiki Kaisha (1 from 36,721 patents)
2. Kabushiki Kaisha Toyota Chuo Kenkyusho (1 from 1,139 patents)
1 patent:
1. 5722238 - Device for evaluating catalyst performance deterioration