Average Co-Inventor Count = 8.00
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. Shandong University (1 from 317 patents)
2. Shandong Tianqin Mining Machinery Equipment Co. Ltd. (1 from 1 patent)
1 patent:
1. 10415387 - High-strength confined concrete support system for underground tunnel