Average Co-Inventor Count = 4.86
ph-index = 3
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 (2 from 36,499 patents)
2. Toyota Jidosha Kogyo Kabushiki Kaisha (1 from 1,838 patents)
3 patents:
1. 4723459 - Power transfer device for automotive vehicles
2. 4711136 - Power transfer device for four-wheel drive
3. 4167860 - Universal joint