Average Co-Inventor Count = 1.89
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. (3 from 321 patents)
3 patents:
1. 12415261 - Power tool
2. 12365077 - Electric drill and electric tool
3. 10843314 - Power tool