Average Co-Inventor Count = 1.41
ph-index = 1
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. Sumitomo Heavy Industries, Ltd. (4 from 1,179 patents)
4 patents:
1. 12359400 - Excavator
2. 12203240 - Construction machine, display apparatus of construction machine, and management apparatus of construction machine
3. 11987960 - Work machine, information management system, information terminal, and program
4. 11092976 - Construction machine work management system and construction machine