Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11891515 | Modified polyisobutylene polymer for rubber compounding and rubber composition including same | Min Sup Park, Se Hyun LEE, Seung Bin Ryu | 2024-02-06 |
| 11851555 | Polybutene derivative for rubber compounding and rubber composition including same | Min Sup Park, Se Hyun LEE | 2023-12-26 |
| 11718691 | Modified polyisobutylene polymer for rubber compounding and rubber composition comprising same | Se Hyun LEE, Kyong Ju Na, Min Sup Park | 2023-08-08 |
| 11214638 | Method for producing highly reactive polybutene | Min Sup Park, Se Hyun LEE, Jin-Wook Lee, Jae-Hoon Lee | 2022-01-04 |
| 10985074 | Method of manufacturing a CMOS transistor | Min Kuck Cho, In Chul Jung | 2021-04-20 |
| 10867677 | Single poly multi time program cell and method of operating the same | Su Jin Kim, In Chul Jung, Young Bae Kim, Seung Guk Kim, Jung Hwan Lee | 2020-12-15 |
| 10453755 | Method of manufacturing a CMOS transistor | Min Kuck Cho, In Chul Jung | 2019-10-22 |
| 10202476 | Polybutene preparation method | Min Sup Park, Hyung Jae SEO, Se Hyun LEE | 2019-02-12 |
| 10157201 | Method and system for searching for and providing information about natural language query having simple or complex sentence structure | Jae Hyeok Chang, Ki Young Kim, Ji-Hye Choi, Won Jin Lee, Hyun A Lee +1 more | 2018-12-18 |
| 10059786 | Apparatus and method for selectively preparing reactive polybutene and nonreactive polybutene | Min Sup Park, Hyung Jae SEO, Se Hyun LEE | 2018-08-28 |
| 10062616 | Method of manufacturing a CMOS transistor | Min Kuck Cho, In Chul Jung | 2018-08-28 |
| 10035867 | Method for preparing polybutene by using catalyst containing N-propanol | Min Sup Park, Hyung Jae SEO, Se Hyun LEE | 2018-07-31 |
| 9969630 | Method for treating waste water containing fluorine component | Min Sup Park, Sang-Uk Jung, Myoung Gi Cho, Seong Mu Oh | 2018-05-15 |
| 9862784 | Apparatus and method for preparing polybutene having various molecular weights | Min Sup Park, Hyung Jae SEO, Se Hyun LEE | 2018-01-09 |
| 9765162 | Apparatus and method for removing halogens generated during preparation of polybutene | Min Sup Park, Hyung Jae SEO, Se Hyun LEE | 2017-09-19 |
| 9683060 | Method for preparing polybutene | Min Sup Park, Hyung Jae SEO, Se Hyun LEE | 2017-06-20 |
| 9637576 | Device and method for re-circulating raw material used when manufacturing polybutene | Min Sup Park, Kyoung-Tae Min | 2017-05-02 |
| 9637422 | Method for preparing high purity isobutene using glycolether | Jae-Hoon Uhm, Min Sup Park, Hyoung-Jae Seo, Kyoung-Tae Min | 2017-05-02 |
| 8766015 | Method for preparing a glycol mono-tertiary-butylether compound | Jae-Hoon Uhm, Min Sup Park, Hyoung-Jae Seo, Kyoung-Tae Min | 2014-07-01 |
| 8407794 | Signature searching method and apparatus using signature location in packet | Seung Kyeom Kim, Ho-Sug Lee | 2013-03-26 |
| 8336098 | Method and apparatus for classifying harmful packet | HoSug Lee | 2012-12-18 |
| 6525221 | Fuel detergent composed of hydropoly(oxyalkylene) oxyalkyl amine compound | Hyun-Ki Youn, Byung Keel Sohn, Jae-Hoon Uhm, Byeong-Gyu Lim | 2003-02-25 |
| 4794666 | Handle assembly for a cooking container | — | 1989-01-03 |