Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12406745 | Memory repair device | Jun Soo KWACK | 2025-09-02 |
| 11233517 | Auto trimming device for oscillator and method of auto trimming device for oscillator | Gil Sung Roh | 2022-01-25 |
| 10361163 | Circuit and method for detecting tampering or preventing forgery of semiconductor chip | — | 2019-07-23 |
| 10261590 | Apparatus and method for recognizing a moving direction of gesture based on differences between sensor output values | Dae Ho Lim | 2019-04-16 |
| 10234515 | Method for controlling of hall device and magnetic detection apparatus using the same | Dong Ho Kim | 2019-03-19 |
| 9527879 | Aster glehni extracts, fractions or compounds isolated therefrom for the treatment or prevention of hyperuricemia or gout | Hyoung Ja KIM, Chang Bae JIN, Min Jeoung Son, Chang Soo Yook, Jae Yeol Lee | 2016-12-27 |
| 9281836 | Switching noise resistant integrating analog-digital converter | Dae Ho Lim | 2016-03-08 |
| 8268092 | Magnetic sheet for radio frequency identification antenna, method of manufacturing the same, and radio frequency identification antenna using the same | Jae Suk Yang, Hyeon Chul Lim, Byoung Ki Lee, Yong Hyun Kim, Yong Sul Song +2 more | 2012-09-18 |
| 7570276 | Display driver circuit and drive method thereof | — | 2009-08-04 |
| 7563467 | Use of an Opuntia ficus-indica extract and compounds isolated therefrom for protecting nerve cells | Hokoon Park, Changbae Jin, Hyoung Ja KIM, Jungsook Cho, Mijeong Park +1 more | 2009-07-21 |
| 7271703 | 2-bit binary comparator and binary comparing device using the same | — | 2007-09-18 |
| 7271260 | 3,4-dihydroquinazoline derivatives as T-type calcium channel blockers and method of preparing the same | Jae Yeol Lee, Hyewhon Rhim | 2007-09-18 |
| 7155474 | Current-mode multi-valued full adder in semiconductor device | — | 2006-12-26 |
| 6835735 | 4-(phenylamino)-[1,4]dioxano[2,3-g]quinazoline derivatives and process for preparing the same | Ho-Koon Park, Jae Yeol Lee, Beom-Seok Yang, Seon Hee Seo | 2004-12-28 |
| 5872249 | 3-ammoniopropenyl cephalosporin compounds as antibacterial agents and process for preparing the same | Hokoon Park, Jae Yeol Lee, Dae Hwan Suk, Eun-Rhan Woo | 1999-02-16 |
| 5705659 | Intermediates for the synthesis of 16-phenoxy-prostatrienoic acid derivatives and a preparing method thereof | Hokoon Park, Sun Ho Jung, Ki Hong Nam | 1998-01-06 |
| 5675003 | 3-ammoniopropenyl cephalosporin compounds as antibacterial agents | Hokoon Park, Jae Yeol Lee, Dae Hwan Suk, Eun-Rhan Woo | 1997-10-07 |
| 5571936 | Intermediates for the synthesis of 16-phenoxy-prostatrienoic acid derivatives and a preparing method thereof | Hokoon Park, Sun Ho Jung, Ki Hong Nam | 1996-11-05 |
| 5571909 | Cephalosporin compounds and processes for preparing thereof | Hokoon Park, Sun Ho Jung, Jae Yeol Lee, Eun-Rhan Woo | 1996-11-05 |