Average Co-Inventor Count = 1.00
ph-index = 4
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. Dongguan Quzhi Appliance Technology Co., Ltd. (3 from 3 patents)
2. Quzhi Hairdressing Supplies (shenzhen) Co., Ltd (1 from 2 patents)
4 patents:
1. D922773 - Electric hair brush
2. D819336 - Hair comb
3. D816346 - Hair comb
4. D815837 - Hair comb