Average Co-Inventor Count = 3.75
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 36,713 patents)
2. Aisin Corporation (1 from 571 patents)
3. Asin Corporation (1 from 1 patent)
2 patents:
1. 11637297 - Fuel cell system
2. 11255449 - Valve device