Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12276639 | Large-space high-temperature and high-pressure true triaxial flexible loading device | Qiang Xue, Xiaochun Li, Hang Ruan, Qingqian Wu | 2025-04-15 |
| 12265198 | In-situ rock mass elastic modulus measurement system and method | Pengfei Chen, Xiating Feng, Jianpo Liu, Herui Zhao, Xin Wang +1 more | 2025-04-01 |
| 12091940 | Device for grinding side surface of inner wall of rock borehole | Pengfei Chen, Jie Xin, Herui Zhao | 2024-09-17 |
| 11982664 | True three-dimensional dynamic and static combination shear device under high- temperature, high pore pressure and chemical coupling and method therefor | Zhi Zheng, Guoshao Su, Cao Luo | 2024-05-14 |
| 11892577 | Multi-scale photoacoustic detection method of geological structure around borehole and related devices | Shaojun Li, Liu Liu, Fengjuan Tao, Chunsheng Liu | 2024-02-06 |
| 11808914 | Method and equipment for transformation of point cloud coordinates of structure plane of deep-buried tunnel based on target device | Shili QIU, Ping Li, Shaojun Li, Hao Zhang, Dingping Xu | 2023-11-07 |
| 11796513 | Dual channel nondestructive testing method for rock bolt and related devices | Liu Liu, Shaojun Li, Yaxun Xiao, Guangliang Feng | 2023-10-24 |
| 11740385 | Quantitative assessment method, apparatus, and device for global stability of surrounding rocks of underground caverns | Dingping Xu, Xiating Feng, Shaojun Li, Xiuyang Liu, Guangliang Feng +1 more | 2023-08-29 |
| 11699816 | Rechargeable battery | Zelian Lai | 2023-07-11 |
| D991160 | Rechargeable battery | Zelian Lai | 2023-07-04 |
| 9929684 | Motor control system and method of controlling a motor | — | 2018-03-27 |
| 9275674 | Spindle motor for hard disk drive and method of fabrication thereof | Ming Chou Lin, Mengjun Liu | 2016-03-01 |
| 9202512 | Data storage device | Chao Bi, Kui Cai, Kheong Sann Chan, Zhi Yong Ching, Moulay Rachid Elidrissi +36 more | 2015-12-01 |
| 9177595 | Magnetic disk drive device, magnetic disk assembly and methods of forming the same | Yin Yu, Chao Bi | 2015-11-03 |
| 8946952 | Low profile spindle motor | Chao Bi, Song Ling, Nay Lin Htun Aung, Hla Nu Phyu | 2015-02-03 |
| 8610392 | Runout measurement for devices having a rotating body | Chao Bi, Song Lin | 2013-12-17 |
| 8575797 | Low profile permanent magnet synchronous motor with segment structure | Chao Bi, Song Lin, Nay Lin Htun Aung, Hla Nu Phyu | 2013-11-05 |
| 6879124 | Method to detect the true zero-crossing points of the phase back EMF for sensorless control of brushless DC motors | Chao Bi | 2005-04-12 |
| 6542699 | Camera | Ming Tung Lau | 2003-04-01 |
| 6289181 | Camera | Ming Tung Lau | 2001-09-11 |