Average Co-Inventor Count = 2.86
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. Kabushiki Kaisha Tokai Rika Denki Seisakusho (2 from 2,005 patents)
2. Toyota Jidosha Kabushiki Kaisha (1 from 36,653 patents)
2 patents:
1. 4920821 - Steering wheel for vehicle
2. 4592407 - Full automatic die casting machine