Average Co-Inventor Count = 2.40
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 (2 from 36,546 patents)
2 patents:
1. 11110859 - Vehicle notification apparatus
2. 6536551 - Hydrogen using system for installation in vehicle and control method for the system