Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851387 | Para-phenylenediamine derivative, 1,4-cyclohexyldiamine derivative, and fabricating method for 1,4-diamine cyclic compound derivative | En Ming Chang, Hung-Chun YU | 2023-12-26 |
| 5470852 | Tetrahydroprotoberberine quaternary ammonium compounds useful in for treating arrhythmia | Sixun Peng, Dezai Dai, Zhenya Huang, Wenlong Huang, Youqun Wang +1 more | 1995-11-28 |