Average Co-Inventor Count = 4.44
ph-index = 4
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. (5 from 626 patents)
5 patents:
1. 7523804 - Small swing type shovel
2. 7174968 - Hydraulic excavator
3. 7001135 - Construction machine
4. D509514 - Traveling body for construction machine
5. D508498 - Traveling body for construction machine