Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11561426 | Optical film | Jae Hong Park, Hyung Il Yang, Keon Woo Kim, Sang Jo Bae, Woo Yong Cho +2 more | 2023-01-24 |
| 11382887 | Ophthalmic composition for glaucoma treatment | Areum BAEK, Youngsik Chung, Hyun-Ik Shin, Chang Young Oh | 2022-07-12 |
| 10870621 | Method for preparing latanoprostene bunod, and intermediate therefor | Eun-jeong Ko, Hyun-Ik Shin, Chang Young Oh | 2020-12-22 |
| 10800737 | Method for preparing treprostinil and intermediate therefor | Hyun-Ik Shin, Hyoseon LEE, Kyung-Jin Lee, Changyoung Oh | 2020-10-13 |
| 10538539 | Method for preparing 3-((2S, 5S)-4-methylene-5-(3-oxopropyl)tetrahydrofurane-2-yl) propanol derivative, and intermediate therefor | Hyun-Ik Shin, Changyoung Oh | 2020-01-21 |
| 10532018 | Method of whitening skin using tranexamic acid-peptide having skin whitening activity | Sang Moon KANG, Seock Yeon Hwang, Mi Hye Lim, Chung Park, Eun Jin Shin +4 more | 2020-01-14 |
| 9398395 | Grouping and displaying messages exchanged between a sender and multiple recipients | — | 2016-07-19 |
| 9126898 | Process for preparing prostaglandin derivatives | Changyoung Oh, Yong Hyun Kim, Jae-Eun Joo | 2015-09-08 |
| 6989458 | Process for preparing prostaglandin derivatives and stereospecific starting material thereof | Won-Hun Ham, Chang Young Oh, Yong Hyun Kim, Yiu-Suk Lee | 2006-01-24 |
| 6914159 | Process for preparing sulfamoyl-substituted phenethylamine derivatives | Won-Hun Ham, Chang Young Oh, Yong Hyun Kim, Yiu-Suk Lee | 2005-07-05 |
| 6852880 | Process for preparing prostalglandin derivatives and stereospecific starting material thereof | Won-Hun Ham, Chang Young Oh, Yong Hyun Kim, Yiu-Suk Lee | 2005-02-08 |
| 6127546 | Process for the preparation of oxazoline compound | Jin Kyu Park, Kyung-Seok Choi, Han Won Lee, Sung Ki Seo, Won-Hun Ham +3 more | 2000-10-03 |
| 5792885 | Preparation of 3-amino-1-hydroxypropane-1, 1-diphosphonic acid | Won-Hun Ham, Young Hun Jung, Chang Young Oh, Yong Hyun Kim | 1998-08-11 |