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. Hitachi Construction Machinery Co., Ltd. (2 from 1,498 patents)
2 patents:
1. D724604 - Portion of a display screen for a dump truck with graphical user interface
2. D715808 - Portion of a display screen for a self-propelled working machine with graphical user interface