Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10770154 | Semiconductor memory devices and memory systems having the same | Seong-Heon Yu, Joung-Yeal Kim, Hyun Bo Kim, Joo Youn Lim | 2020-09-08 |
| 10307742 | Beta zeolite catalyst for preparation of mixture of BTEX (benzene, toluene, ethylbenzene, xylene) from poly aromatic hydrocarbons and preparation method thereof | Jeong-Rang Kim, Soon Yong Jeong, Tae Wan Kim, Youjin Lee, Eun Sang KIM +1 more | 2019-06-04 |
| 10112187 | High strength SAPO-34 microsphere catalyst, method for preparing same, and method for preparing light olefins using same | Ho Jeong Chae, Soon Yong Jeong, Kwang Eun Jeong, Tae Wan Kim | 2018-10-30 |
| 9371269 | Method for preparing dialkyl carbonate | Jae Cheon Koh, Yun Min Kim | 2016-06-21 |
| 9334228 | Method for preparing dialkyl carbonate | Joon-Hyun Baik, Jae Cheon Koh, Kyong Tae Kim, Dong Jun Koh, Young Sam Sa +1 more | 2016-05-10 |
| 8629295 | Method for preparing dialkyl carbonate | Jae Cheon Koh, Yun Min Kim | 2014-01-14 |
| 6335202 | Method and apparatus for on-line measurement of the permeation characteristics of a permeant through dense nonporous membrane | Jung-Min Lee, Choong Kyun Yeom, Beom Sik Kim, Kwang Joo Kim | 2002-01-01 |
| 6325218 | Polyion complex separation membrane with a double structure | Jung-Min Lee, Choong Kyun Yeom, Beom Sik Kim, Kwang Joo Kim | 2001-12-04 |
| 6228291 | Process for preparing controlled-released chitosan microcapsule | Jung-Min Lee, Choong Kyun Yeom, Beom Sik Kim, Kwang Joo Kim, Sang Bong Oh | 2001-05-08 |
| 6045675 | Method for concentrating aqueous tetrafluoroethylene emulsion by electrodialysis and its apparatus | Jung-Min Lee, Jae Cheon Koh, Sang Jin Moon, Kwang Joo Kim, Hang JIN +1 more | 2000-04-04 |