Average Co-Inventor Count = 5.00
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. Other (2 from 832,843 patents)
2. Kabushiki Kaisha Shikoku Sogo Kenkyujo (2 from 4 patents)
2 patents:
1. 5465806 - Electric vehicle
2. 5222568 - Electric vehicle