Average Co-Inventor Count = 2.00
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. Chervon (hk) Limited (4 from 183 patents)
2. Nanjing Chervon Industry Co., Ltd. (2 from 321 patents)
6 patents:
1. 12459102 - Power tool
2. 12042920 - Power tool
3. 10272548 - Electric screwdriver
4. 9914176 - Rotary tool
5. 9630302 - Electric screwdriver
6. 9440339 - Electric screwdriver