Average Co-Inventor Count = 5.27
ph-index = 7
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. (9 from 69 patents)
9 patents:
1. D909965 - Portable charger
2. D893457 - Audio input/output device
3. D875709 - Earphone
4. D873248 - Pair of earphones
5. D871367 - Headphone
6. D869436 - Headphone
7. D869434 - Sport earphone
8. D869435 - Sport earphone
9. D859406 - Virtual reality headset