Average Co-Inventor Count = 6.00
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. Beijing Longruan Technologies Inc. (1 from 5 patents)
2. Tianjin Navigation Instruments Research Institute (1 from 1 patent)
1 patent:
1. 11435183 - Measuring-robot device for fully mechanized coal mining face and automatic measuring system