Average Co-Inventor Count = 4.00
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 (2 from 36,713 patents)
2 patents:
1. 5915347 - Valve driving apparatus using an electromagnetic coil to move a valve
2. 5775276 - Valve driving apparatus using an electromagnetic coil to move a valve