Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409423 | Porous polyethylene filter membrane with asymmetric pore structure, and related filters and methods | Kwok-Shun Cheng, Rajni PATEL, Maybelle Woo | 2025-09-09 |
| 11701623 | Method of forming a laminated single layer composite membrane | Dongzhu Wu, Kwok-Shun Cheng, Rajnikant Patel, Tony Yu, Maybelle Woo | 2023-07-18 |