Average Co-Inventor Count = 1.00
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 Yuanguanghao Electronics Co., Ltd (2 from 5 patents)
2 patents:
1. D897224 - Rotary timer
2. D885934 - Projection alarm clock