Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12352108 | Devices, systems, and methods for a bit including a matrix portion and a steel portion | Youhe Zhang, Huimin Song, Mingdong Cai | 2025-07-08 |
| 12258651 | Method for extracting germanium based on acid decomposition | Xiaocai He, Huixian Shi, Jiuyang Ren, Na Xu, Ye Yuan +7 more | 2025-03-25 |
| 12031386 | Blade cover | Huimin Song, Youhe Zhang, Sudarsanam Chellappa | 2024-07-09 |
| 12006773 | Drilling tool having pre-fabricated components | Youhe Zhang, Mingdong Cai, Sudarsanam Chellappa, Huimin Song | 2024-06-11 |