Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12111470 | Optical system and mixed reality device | Junqi YUAN | 2024-10-08 |
| 10266617 | Cationic copolymer and use thereof in lost circulation additive | Changming Su, Mengyun Zhao, Jianzheng Su, Rusheng Zhang, Qiulian Long +3 more | 2019-04-23 |
| 9593579 | Crank circular sliding block mechanism and reciprocating member, cylinder block, internal combustion engine, and compressor | Ming Li, Zhengzhong Li, Qingxu Wang, Lijun Guo | 2017-03-14 |