Average Co-Inventor Count = 5.00
ph-index = 1
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. Guangdong Yuanfeng Electronic Technology Co., Ltd. (2 from 2 patents)
2. Dongguang Yuanfeng Technology Co., Ltd. (1 from 1 patent)
3. Dongguan Yuanfeng Technology Co., Ltd. (1 from 1 patent)
2 patents:
1. 10517348 - Cycling helmet capable of switching sound production guidance mode based on bone conduction earphone
2. D860544 - Helmet