Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410286 | Method for preparation of super absorbent polymer | Junwye Lee, Jungmin Sohn, Hyemin Lee, Kwangin Shin, Minsu Kim +1 more | 2025-09-09 |
| 12030967 | Preparation method of super absorbent polymer | Jungmin Sohn, Hyemin Lee, Junwye Lee, Seongbeom Heo, Kwangin Shin +1 more | 2024-07-09 |
| 11891487 | Preparation method of super absorbent polymer and super absorbent polymer therefrom | Hyemin Lee, Junwye Lee, Seongbeom Heo, Kwangin Shin, Chang Hun Han | 2024-02-06 |
| 11718694 | Super absorbent polymer and preparation method thereof | Hyemin Lee, Jungmin Sohn, Junwye Lee, Seongbeom Heo, Kwangin Shin +1 more | 2023-08-08 |
| 11383221 | Preparation method of super absorbent polymer | Jungmin Sohn, Hyemin Lee | 2022-07-12 |
| 10894844 | Superabsorbent polymer and preparation method thereof | Yong Hun Lee, Jun Wye Lee, Kwangin Shin, Chang Hun Han | 2021-01-19 |
| 10086361 | Super absorbent polymer and a preparation method thereof | Chang Sun Han, Gi Cheul Kim, Yong Hun Lee, Sang Gi Lee, Kyu Pal Kim +2 more | 2018-10-02 |
| 9808786 | Preparation method of superabsorbent polymer | Jin Hyun Bae, Jun Kyu Kim, Jong Hyuk Kwon, Young Jae Hur, Yun Kon Kim | 2017-11-07 |
| 9708452 | Method of preparing superabsorbent polymer | Sang Gi Lee, Sung Soo Park, Chul Hee Ryu | 2017-07-18 |
| 9656296 | Preparation method of a super absorbent polymer | Gyu Leem, Gi Cheul Kim, Sang Gi Lee, Kyu Pal Kim, Chang Sun Han | 2017-05-23 |
| 9624328 | Superabsorbent polymer | Dae Woo Nam, Chang Sun Han | 2017-04-18 |
| 9517446 | Super absorbent polymer and a preparation method thereof | Chang Sun Han, Gi Cheul Kim, Yong Hun Lee, Sang Gi Lee, Kyu Pal Kim +2 more | 2016-12-13 |
| 9120100 | Shredder for super absorbent polymer and preparation method of super absorbent polymer using the same | Gi Cheul Kim, Chang Sun Han, Sang Gi Lee, Kyu Pal Kim, Sung Soo Park +2 more | 2015-09-01 |
| 9114381 | Super absorbent polymer | Hye Min Lee, Chang Sun Han | 2015-08-25 |
| 9109097 | Method of preparing super absorbent polymer | Yong Hun Lee, Chang Sun Han, Dae Woo Nam, Sung Soo Park | 2015-08-18 |
| 9029480 | Preparation method of superabsorbent polymer | Chang Sun Han, Gi Cheul Kim, Sang Gi Lee, Kyu Pal Kim, Sung Soo Park +1 more | 2015-05-12 |
| 8919683 | Shredder for super adsorbent polymer and preparation method of super absorbent polymer using the same | Gi Cheul Kim, Chang Sun Han, Sang Gi Lee, Kyu Pal Kim, Sung Soo Park +2 more | 2014-12-30 |
| 8829066 | Polymerization reactor for producing super absorbent polymers and method of producing super absorbent polymers using the polymerization reactor | Gi Cheul Kim, Sang Gi Lee, Kyu Pal Kim, Chang Sun Han | 2014-09-09 |
| 8697812 | Preparation method of superabsorbent polymer | Chang Sun Han, Gi Cheul Kim, Sang Gi Lee, Kyu Pal Kim, Sung Soo Park +1 more | 2014-04-15 |
| 5621236 | Gate-to-drain overlapped MOS transistor fabrication process and structure thereby | Young Seok Choi, Kwang-Dong Yu | 1997-04-15 |
| 5256586 | Gate-to-drain overlapped MOS transistor fabrication process | Young Seok Choi, Kwang-Dong Yu | 1993-10-26 |
| 5196356 | Method for manufacturing BICMOS devices | Moon Ho Kim, Kwang-dong Yoo, Ji-Hyoung Yoo | 1993-03-23 |
| 5147809 | Method of producing a bipolar transistor with a laterally graded emitter (LGE) employing a refill method of polycrystalline silicon | Seog-Heon Han, Moon Ho Kim, Jang-man Ko | 1992-09-15 |