Average Co-Inventor Count = 5.83
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. Yanmar Co., Ltd. (4 from 651 patents)
4 patents:
1. D855082 - Excavator
2. D842344 - Excavator
3. D813916 - Operation panel for a working machine
4. D812647 - Cabin for construction machine