Average Co-Inventor Count = 3.00
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. Nanjing Chervon Industry Co., Ltd. (2 from 321 patents)
2 patents:
1. 11937541 - Grass cutting head and grass trimmer using the same
2. 11134610 - Grass cutting head and grass trimmer using the same