Average Co-Inventor Count = 2.67
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. Kobelco Construction Machinery Co., Ltd. (2 from 626 patents)
2 patents:
1. D460974 - Tracked vehicle for construction
2. 6290286 - Construction machine