Average Co-Inventor Count = 3.27
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. Shenzhen Grandsun Electronic Co., Ltd. (3 from 69 patents)
3 patents:
1. D949785 - Charging case for wireless earphones
2. D939478 - Pair of wireless earphones
3. D902177 - Wireless speaker