Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410080 | Wastewater filtering method and apparatus comprising filter media of different sizes | Dae Hwan Rhu, Bong Choel Choi, Chun Woo Lee, Yong Joon Yune, Jong Goo Kim +1 more | 2025-09-09 |
| 9153237 | Audio signal processing method and device | Hye Jeong Jeon, Dae Hwan Kim, Hong Goo Kang, Min Ki Lee, Gyu Hyeok Jeong | 2015-10-06 |
| 9153238 | Method and apparatus for processing an audio signal | Gyu Hyeok Jeong, Hye Jeong Jeon, Chang Heon Lee | 2015-10-06 |
| 9020812 | Audio signal processing method and device | Hye Jeong Jeon, Dae Hwan Kim, Hong Goo Kang, Min Ki Lee, Gyu Hyeok Jeong | 2015-04-28 |
| 8603329 | Wastewater treatment apparatus with two-stage multimedia biological filtration process | Dae Hwan Rhu, Yeong Ki Yeo, Se-Wook Seo, Yong June Yune, Bong Choel Choi +1 more | 2013-12-10 |
| 8392381 | Systems and methods for reservoir sampling of streaming data and stream joins | Mohammed Al-Kateb, Xiaoyang Wang | 2013-03-05 |
| 7869761 | Radio repeater for mobile communication system and repeating method using the same | Sung Youl PARK, Sung Min Cho, Gyeong-Ho Choi, Jong Tae Ihm, Joo-Sik Lee +2 more | 2011-01-11 |
| 6107138 | Method for fabricating a semiconductor device having a tapered contact hole | Ei Sam Jeong, Sang-wook Kim, Yong H. Yoon | 2000-08-22 |