Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10846765 | Blockchain-based e-bill number application method, apparatus, and electronic device | Zhen Sun, Longsheng Qing, Xueqing Yang, Zhenzhong Meng, Yu Chu | 2020-11-24 |
| 10789628 | Blockchain-based bill number allocation method, apparatus and electronic device | Longsheng Qing, Zhen Sun, Xueqing Yang, Zhenzhong Meng, Yu Chu | 2020-09-29 |