Average Co-Inventor Count = 3.75
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. Yanmar Co., Ltd. (1 from 651 patents)
2. Yanmar Power Technology Co., Inc. (1 from 211 patents)
2 patents:
1. 11297752 - Mulching machine
2. 7357745 - Travel working machine