Average Co-Inventor Count = 5.00
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. Tsinghua University (1 from 4,312 patents)
2. Chang Chun Petrochemical Co., Ltd. (1 from 106 patents)
3. Chang Chun Plastics Co., Ltd. (1 from 103 patents)
4. Dairen Chemical Corporation (1 from 32 patents)
1 patent:
1. 11855274 - Hard carbon beads, their preparation, and energy storage device comprising the same