Average Co-Inventor Count = 5.00
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 36,713 patents)
2. Suncall Corporation (1 from 104 patents)
1 patent:
1. 7556011 - Valve structure for internal combustion