Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12203980 | Wafer level methods of testing semiconductor devices using internally-generated test enable signals | Reum Oh | 2025-01-21 |
| 11867751 | Wafer level methods of testing semiconductor devices using internally-generated test enable signals | Reum Oh | 2024-01-09 |
| 11435397 | Wafer level methods of testing semiconductor devices using internally-generated test enable signals | Reum Oh | 2022-09-06 |
| 10622088 | Stacked memory devices, memory systems and methods of operating stacked memory devices | — | 2020-04-14 |
| 8003840 | Bismuth molybdate-based catalysts, method of preparing thereof and method of preparing 1,3-butadiene using thereof | Seung Hoon Oh, Seong Jun Lee, Tae Jin Kim, Young Min Chung, In Kyu Song +2 more | 2011-08-23 |
| 7663013 | Solid acid catalyst for producing light olefins and process using the same | Sun Choi, Deuk Soo Park, Suk Joon Kim, Hee Young Kim, Yong Ki Park +4 more | 2010-02-16 |
| 7601663 | Solid acid catalyst for producing light olefins and process using the same | Sun Choi, Deuk Soo Park, Suk Joon Kim, Hee Young Kim, Yong Ki Park +4 more | 2009-10-13 |
| 7301063 | Process for increasing production of light olefin hydrocarbon from hydrocarbon feedstock | Sun Choi, Seung Hoon Oh, Kyoung Hak Sung, Jong Hyung Lee, Sin Choel Kang +3 more | 2007-11-27 |
| 6870073 | Process for separating normal paraffins from hydrocarbons and applications for the separated hydrocarbons | Sun Choi, Sung Joon Lee, Sin Chul KANG, Sang Won Kim, Min-Sik Ku +1 more | 2005-03-22 |
| 6852361 | Method of on-line coating of a film on the inner walls of the reaction tubes in a hydrocarbon pyrolysis reactor | Sin Cheol Kang, Dong Hyun Cho, Sun Choi | 2005-02-08 |
| 6514563 | Method of on-line coating film on the inner walls of the reaction tubes in a hydrocarbon pyrolysis reactor | Sin Cheol Kang, Dong Hyun Cho, Sun Choi | 2003-02-04 |