Average Co-Inventor Count = 1.33
ph-index = 3
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 (2 from 183 patents)
2. Tecmen Electronics Co., Ltd. (1 from 47 patents)
3. Chevron (hk) Limited (1 from 26 patents)
4 patents:
1. D1084526 - Welding mask
2. D753969 - Grass trimmer
3. D753968 - Hedge trimmer
4. D682194 - Battery pack