Average Co-Inventor Count = 8.00
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. Kobelco Construction Machinery Co., Ltd. (5 from 626 patents)
5 patents:
1. D778962 - Power shovel
2. D759127 - Power shovel
3. D727977 - Power shovel
4. D726779 - Power shovel
5. D725157 - Counterweight for construction machine