Average Co-Inventor Count = 6.30
ph-index = 3
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 (1 from 832,843 patents)
2. Placer Dome Technical Services Limited (1 from 16 patents)
3. Minister of Natural Resources (1 from 1 patent)
3 patents:
1. 8016363 - Automated excavation machine
2. 7695071 - Automated excavation machine
3. 6857706 - Mining method for steeply dipping ore bodies