Average Co-Inventor Count = 3.46
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 64 patents)
3 patents:
1. D968355 - Headset
2. D953287 - Headphone
3. D899395 - Audio input/output device with display screen