Average Co-Inventor Count = 3.75
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. Beijing Tianqing Chemicals Co. Ltd. (1 from 4 patents)
2. Beijing Zhong-tianfeng Security Protection Technologies Co., Ltd. (1 from 1 patent)
3. First Research Institute of the Ministry of Public Security of Prc (1 from 1 patent)
2 patents:
1. 11543351 - All-in-one handheld machine for testing drugs in hairs
2. 8448658 - Rescue device for leakage of dangerous chemicals