Average Co-Inventor Count = 2.40
ph-index = 2
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 Langheng Electronic Co., Ltd. (2 from 2 patents)
2 patents:
1. D712579 - Headlamp
2. D679040 - Bicycle lamp