Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12307418 | Product management method and related device | Qiwen Liu | 2025-05-20 |
| 11827990 | Dual-membrane on-line generator for acid or alkali solution | Feifang Zhang, Yifei Lu, Liting Zhou, Shujun Huang | 2023-11-28 |
| 8551318 | Ion detector and system | Purnendu K. Dasgupta, Kannan Srinivasan | 2013-10-08 |
| 8293099 | Ion detector and system | Purnendu K. Dasgupta, Kannan Srinivasan | 2012-10-23 |
| 7632404 | Barrier with a seated ion exchange bead and method | Purnendu K. Dasgupta, Kannan Srinivasan, Masaki Takeuchi | 2009-12-15 |