Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12236574 | Substrate treating apparatus and substrate treating method | Ohyeol Kwon, Jihyun Lee, Chang Yul Cho | 2025-02-25 |
| 12217977 | Method and apparatus for treating substrate | Oh Yeol KWON, Soo Young Park | 2025-02-04 |
| 12112960 | Apparatus for processing substrate and method of determining whether substrate treatment process is normal | Ohyeol Kwon, Hyun Hoo KIM, Myung Chan CHO | 2024-10-08 |
| 9219714 | ID-based encryption and signature method and terminal | Hyo Jin Yoon, Seon Young Lee, Tae-Kyoung Kwon, Jung Hee Cheon | 2015-12-22 |
| 8286445 | Water-cooled air conditioner | In Woong Park, Ja Hyung Koo, Seung Cheol Baek, Dong-Hyuk Lee | 2012-10-16 |
| 8281614 | Water-cooled air conditioner | Ja Hyung Koo, In Woong Park, Seung Cheol Baek, Dong-Hyuk Lee | 2012-10-09 |
| 7775054 | Air conditioner | In Kyu Kim, Ja Hyung Koo, Sim Won Chin | 2010-08-17 |
| 7707851 | Air conditioner | In Woong Park, Ja Hyung Koo, Seung Cheol Baek, Dong-Hyuk Lee | 2010-05-04 |
| 7316261 | Heat exchanging system of ventilating device | Min-Chul Cho, Seong Hwan Lee | 2008-01-08 |
| 7267165 | Heat exchanger of ventilating system | Seong Hwan Lee, Min-Chul Cho | 2007-09-11 |
| 7237603 | Heat exchanger of ventilating system | Seong Hwan Lee, Min-Chul Cho | 2007-07-03 |
| 7228891 | Heat exchanger of ventilating system | Seong Hwan Lee, Min-Chul Cho, Sung Hwa Lee | 2007-06-12 |
| 7188666 | Heat exchanger of ventilating system | Seong Hwan Lee, Min-Chul Cho | 2007-03-13 |
| 7168482 | Heat exchanger of ventilating system | Seong Hwan Lee, Min-Chul Cho, Sung Hwa Lee, Kwang Won Lee | 2007-01-30 |
| 7147049 | Heat exchanger of ventilating system | Seong Hwan Lee, Min-Chul Cho, Sung Hwa Lee | 2006-12-12 |
| 6607702 | Photocatalyst filter, method for fabricating the same and air cleaner thereof | Kwang Ok Kang, Young-ki Hong, Kyong Wook Heo, Sung Hwa Lee, Jung Hun Kang +2 more | 2003-08-19 |
| 6187271 | Electrostatic precipitator | Sung Hwa Lee, Young-ki Hong, Kwang Ok Kang, Kyeng Wook Heo, Jung Hun Kang +1 more | 2001-02-13 |