Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420255 | Apparatus and method for esterification reaction | Sung Kyu Lee, Hyoung Jun, Hyun Kyu Kim, Chan Hyu Jin, Jin-Sung Park | 2025-09-23 |
| 12415144 | Heat integration separation system | Yong-Suk Choi, Sung Kyu Lee | 2025-09-16 |
| 12337262 | Neutralization/water separation tank for esterified product and neutralization/water separation method for esterified product | Sung Kyu Lee, Hyun Kyu Kim, Chan Hyu Jin, Hyoung Jun, Jin-Sung Park | 2025-06-24 |
| 12290769 | Diester-based material production unit and diester-based material production system including the same | Jae Hun JEONG, Sung Kyu Lee, Hyoung Jun, Hyun Kyu Kim, Chan Hyu Jin +1 more | 2025-05-06 |
| 12275698 | Method of preparing diester-based material | Jae Hun JEONG, Sung Kyu Lee, Song Hoon Lee, Hyoung Jun, Yun Gon HEO | 2025-04-15 |
| 12221412 | System and method for producing diester-based composition | Sung Kyu Lee, Jae Hun JEONG | 2025-02-11 |
| 12186729 | System and method for manufacturing diester-based composition | Sung Kyu Lee, Joon Ho Shin, Hyoung Jun, Chan Hyu Jin | 2025-01-07 |
| 12122747 | Diester-based material production unit and diester-based material production system including the same | Jae Hun JEONG, Sung Kyu Lee, Seok Goo Lee | 2024-10-22 |
| 12084413 | Continuous production method of diester-based material | Jae Hun JEONG, Sung Kyu Lee, Hyun Kyu Kim, Seok Goo Lee | 2024-09-10 |
| 11975991 | Neutralization/water separation device for esterified product and neutralization/water separation method for esterified product | Sung Kyu Lee, Hyun Kyu Kim, Chan Hyu Jin, Hyoung Jun, Jin-Sung Park | 2024-05-07 |
| 11794162 | Heat exchange system and preparation system of diester-based composition comprising the same | Jae Hun JEONG, Sung Kyu Lee, Hyoung Jun, Chan Hyu Jin | 2023-10-24 |
| 11485692 | Method for preparing ethylene | Tae Woo Kim, Sung Kyu Lee, In Seop Kim, Joon Ho Shin | 2022-11-01 |
| 11286216 | Method for preparing ethylene and apparatus for preparing ethylene | Tae Woo Kim, In Seop Kim, Sung Kyu Lee, Joon Ho Shin | 2022-03-29 |
| 11103803 | Distillation device and distillation method | Tae Woo Kim, Sung Kyu Lee, Joon Ho Shin | 2021-08-31 |
| 10918968 | Selective distillation apparatus and distillation method | Tae Woo Kim, Sung Kyu Lee, Sung Kyun Kim, Joon Ho Shin | 2021-02-16 |
| 10766843 | Method for purifying phenol | Sung Kyun Kim, Sung Kyu Lee, Joon Ho Shin, Ha Na Lee, Tae Woo Kim | 2020-09-08 |
| 10486080 | Distillation device | Sung Kyu Lee, Tae Woo Kim, Jong Suh Park, Joon Ho Shin | 2019-11-26 |
| 10294177 | Method for preparing ethylene with improved energy efficiency | Sung Kyun Kim, Sung Kyu Lee, Tae Woo Kim, Joon Ho Shin, Sa Eun Park | 2019-05-21 |
| 9255973 | System and method for estimating long term characteristics of battery | Hyun-Kon Song, Jeong-Ju Cho, Mi Young Son, Ho-Chun Lee | 2016-02-09 |
| 8412658 | System and method for estimating long term characteristics of battery | Hyun-Kon Song, Jeong-Ju Cho, Mi Young Son, Ho-Chun Lee | 2013-04-02 |