Average Co-Inventor Count = 3.00
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. Mazda Motor Corporation (3 from 4,678 patents)
3 patents:
1. 6217473 - Toroidal continuously variable transmission
2. 6063002 - Control system for a continuously variable transmission
3. 4926816 - Rotary piston engine