Average Co-Inventor Count = 3.43
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 2,004 patents)
2 patents:
1. 7145436 - Door opening and closing apparatus
2. 7143857 - Vehicle drive system operation apparatus and vehicle drive control system