Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312795 | Beam-slab integrated prefabricated waffle slab structure and construction method thereof | Yu Ren, Yajie Zhang, Siyuan Chi | 2025-05-27 |
| 12077963 | Reinforced concrete composite beam structure based on precast concrete beam-slab integrated units and construction method thereof | Yu Ren, Siyuan Chi, Yajie Zhang | 2024-09-03 |