Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10005970 | Method and apparatus for treating heavy hydrocarbon oil using liquid phase of hydrocarbon oil | Dong-Woo Cho, Ko-Yeon Choo, Jong-Ho Park | 2018-06-26 |
| 6417349 | Water-soluble extract of asiaticoside and madecassoside from Centella asiatica and isolating method thereof | Seung Yong Lee, Sung Ki Seo, Byeong-Ryong Hwang, Jin Kyu Park | 2002-07-09 |
| 6380402 | Preparation of gamma-butyrolactone by catalytic hydrogenation of maleic anhydride | Soon Haeng Cho, Tae Hwan Kim, Sung-Chul Cho, Jong-Kee Park, Heon-do JEONG +1 more | 2002-04-30 |
| 6104736 | Driving apparatus for semiconductor laser and method for controlling driving of semiconductor laser | — | 2000-08-15 |