Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9980484 | Chitosan based high performance filter with self-regenerating ability | Jifan LI, Yee Man Ho, Ka Chun LEE, Wai Yan Chan, Kai Ming Yeung | 2018-05-29 |
| 9546912 | Time temperature indicator by chromatography and photonic lattice changes | Po Shan Chan, Kai Ming Yeung, Sin Man Lee | 2017-01-17 |