Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10144692 | Method of making vitamin K1 | Jien-Heh J. Tien, Nai-Hsuan Hsu | 2018-12-04 |
| 8927499 | Glycine derivative capable of inhibiting melanin formation and composition using the same | Nai-Hsuan Hsu, Chiao-Yi Hsu, Ssu-Ching Wang, Ting-Wan Chen | 2015-01-06 |
| 8809581 | Method of making 6-aminocaproic acid as active pharmaceutical ingredient | Jien-Heh J. Tien | 2014-08-19 |
| 7935837 | Process for synthesis of androstane 17-β carbothioic acid and relative compounds thereof | Nai-Hsuan Hsu, Chien-Jen Wu, Chi-Jen Huang, Chia-Jung Hsu, Peimin Lee | 2011-05-03 |