Average Co-Inventor Count = 7.47
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. Tsinghua University (2 from 4,296 patents)
2. Nuctech Company Limited (2 from 527 patents)
2 patents:
1. 8509969 - Automatic identification method and system for train information
2. 7642526 - Direction correcting apparatus, method thereof and movable radiation inspecting system