Average Co-Inventor Count = 1.82
ph-index = 2
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 36,771 patents)
2. Toyota Jidosha Kogyo Kabushiki Kaisha (1 from 1,838 patents)
3. Toyoda Koki Kabushiki Kaisha (1 from 629 patents)
2 patents:
1. 5033568 - Four-wheel steering system for automotive vehicles
2. 4116411 - Device for suspending an exhaust pipe in vehicles