Average Co-Inventor Count = 4.29
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. (3 from 5 patents)
2. Peking University (1 from 611 patents)
3. Tianjin Navigation Instruments Research Institute (1 from 1 patent)
3 patents:
1. 11836878 - Method and apparatus for constructing real-geographic-space scene in real time
2. 11826914 - Mechanical arm type measuring robot device and application method
3. 11435183 - Measuring-robot device for fully mechanized coal mining face and automatic measuring system