Average Co-Inventor Count = 4.13
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. Siemens Aktiengesellschaft (1 from 30,040 patents)
2. North China Municipal Engineering Design & Research Institute Co., Ltd. (1 from 7 patents)
3. Civil Aviation University of China (1 from 7 patents)
3 patents:
1. 12208345 - Large-flux ultra-fine grid system with non-rotating screen plates
2. 12077318 - Intelligent system for controlling driving of aircraft tow tractor by means of combination of voice and vision
3. D1029830 - Apparatus for recording, transmitting or processing information