Average Co-Inventor Count = 6.00
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. Kabushiki Kaisha Daikin Seisakusho (2 from 310 patents)
2 patents:
1. 5579857 - Stair climbing vehicle
2. 5507358 - Stair climbing vehicle